CA2666045A1 - Profiled encapsulation for use with instrumented expandable tubular completions - Google Patents
Profiled encapsulation for use with instrumented expandable tubular completions Download PDFInfo
- Publication number
- CA2666045A1 CA2666045A1 CA002666045A CA2666045A CA2666045A1 CA 2666045 A1 CA2666045 A1 CA 2666045A1 CA 002666045 A CA002666045 A CA 002666045A CA 2666045 A CA2666045 A CA 2666045A CA 2666045 A1 CA2666045 A1 CA 2666045A1
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- CA
- Canada
- Prior art keywords
- expandable
- wellbore
- encapsulation
- housing
- downhole tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
- E21B43/108—Expandable screens or perforated liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1035—Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
- E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
Abstract
The present invention provides an encapsulation for housing instrumentation lines, control lines, or instruments downhole. In one use, the encapsulation (10) resides between an expandable downhole tool (20), such as an expandable sand screen, and the wall (48) of the wellbore. The encapsulation is specially profiled to allow the downhole tool to be expanded into the wall of the wellbore without leaving a channel outside of the tool through which formation fluids might vertically migrate. The encapsulation is useful in both cased hole and open hole completions.
Description
PROFILED ENCAPSULATION FOR USE WITH INSTRUMENTED
EXPANDABLE TUBULAR COMPLETIONS
This is a divisional application of Canadian Patent Application Serial No. 2 filed on September 23, 2002.
The present invention relates to expandable sand screens and other expandable tubulars. More particularly, the present invention relates to a profiled encapsulation for use with an expandable sand screen or other expandable downhole apparatus.
The profiled encapsulation can house instrumentation lines or control lines in a wellbore.
It should be understood that the expression "the invention" and the like encompasses the subject-matter of both the parent and the divisional applications.
Hydrocarbon wells are typically formed with a central wellbore that is supported by steel casing. The steel casing lines the borehole formed in the earth during the drilling process. This creates an annular area between the casing and the borehole, which is filled with cement to further support and form the wellbore.
Some wells are produced by perforating the casing of the wellbore at selected depths where hydrocarbons are found. Hydrocarbons migrate from the formation, through the perforations, and into the cased wellbore. In some instances, a lower portion of a wellbore is left open, that is, it.is not lined with casing. This is known as an open hole completion. In that instance, hydrocarbons in an adjacent formation migrate directly into the wellbore where they are subsequently raised to the surface, possibly through an artificial lift system.
Open hole completions carry the potential of higher production than a cased hole completion. They are frequently utilized in connection with horizontally drilled boreholes. However, open hole completions present various risks concerning the integrity of the open welibore. In that respect, an open hole leaves aggregate material, including sand, free to invade the wellbore. Sand production can result in premature la failure of artificial lift and other downhole and surface equipment. Sand can build up in the casing and tubing to obstruct well flow. Particles can compact and erode surrounding formations to cause liner and casing failures. In addition, produced sand becomes difficult to handle and dispose at the surface. Ultimately, open holes carry the risk of complete collapse of the formation into the wellbore.
EXPANDABLE TUBULAR COMPLETIONS
This is a divisional application of Canadian Patent Application Serial No. 2 filed on September 23, 2002.
The present invention relates to expandable sand screens and other expandable tubulars. More particularly, the present invention relates to a profiled encapsulation for use with an expandable sand screen or other expandable downhole apparatus.
The profiled encapsulation can house instrumentation lines or control lines in a wellbore.
It should be understood that the expression "the invention" and the like encompasses the subject-matter of both the parent and the divisional applications.
Hydrocarbon wells are typically formed with a central wellbore that is supported by steel casing. The steel casing lines the borehole formed in the earth during the drilling process. This creates an annular area between the casing and the borehole, which is filled with cement to further support and form the wellbore.
Some wells are produced by perforating the casing of the wellbore at selected depths where hydrocarbons are found. Hydrocarbons migrate from the formation, through the perforations, and into the cased wellbore. In some instances, a lower portion of a wellbore is left open, that is, it.is not lined with casing. This is known as an open hole completion. In that instance, hydrocarbons in an adjacent formation migrate directly into the wellbore where they are subsequently raised to the surface, possibly through an artificial lift system.
Open hole completions carry the potential of higher production than a cased hole completion. They are frequently utilized in connection with horizontally drilled boreholes. However, open hole completions present various risks concerning the integrity of the open welibore. In that respect, an open hole leaves aggregate material, including sand, free to invade the wellbore. Sand production can result in premature la failure of artificial lift and other downhole and surface equipment. Sand can build up in the casing and tubing to obstruct well flow. Particles can compact and erode surrounding formations to cause liner and casing failures. In addition, produced sand becomes difficult to handle and dispose at the surface. Ultimately, open holes carry the risk of complete collapse of the formation into the wellbore.
To control particle flow from unconsolidated formations, well screens are often employed downhole along the uncased portion of the wellbore. One form of well screen recently developed is the expandable sand screen, designated by the Assignee as ESS .
In general, the ESS is constructed from three composite layers, including a filter media.
The filter media allows hydrocarbons to invade the wellbore, but filters sand and other unwanted particles from entering. The sand screen is connected to production tubing at an upper end and the hydrocarbons travel to the surface of the well via the tubing. The sand screen is expanded downhole against the adjacent formation in order to preserve the integrity of the formation during production.
A more particular description of an expandable sand screen is described in U.S. Patent No. 5,901,789. That patent describes an expandable sand screen which consists of a perforated base pipe, a woven filtering material, and a protective, perforated outer shroud. Both the base pipe and the outer shroud are expandable, and the woven filter is typically arranged over the base pipe in sheets that partially cover one another and slide across one another as the sand screen is expanded, or is expanded directly.
The expanded tubular or tool can then be expanded by a cone-shaped object urged along its inner bore or by an expander tool having radially outward extending rollers that are fluid powered from a tubular string. Using expansion means like these, the expandable tubular or tool is subjected to outwardly radial forces that urge the expanding walls against the open formation or parent casing. The expandable components are stretched past their elastic limit, thereby increasing the inner and outer diameter of the tubular.
A major advantage to the use of expandable sand screen in an open weilbore like the one described herein is that once expanded, the annular area between the screen and the wellbore is mostly eliminated, and with it the need for a gravel pack.
Typically, the ESS
or other solid expandable tubular is expanded to a point where its outer wall places a stress on the wall of the wellbore, thereby providing support to the walls of the wellbore to prevent dislocation of particles. Solid expandable tubulars are oftentimes used in conjunction with an expandable sand screen to provide a zonal isolation capability.
In general, the ESS is constructed from three composite layers, including a filter media.
The filter media allows hydrocarbons to invade the wellbore, but filters sand and other unwanted particles from entering. The sand screen is connected to production tubing at an upper end and the hydrocarbons travel to the surface of the well via the tubing. The sand screen is expanded downhole against the adjacent formation in order to preserve the integrity of the formation during production.
A more particular description of an expandable sand screen is described in U.S. Patent No. 5,901,789. That patent describes an expandable sand screen which consists of a perforated base pipe, a woven filtering material, and a protective, perforated outer shroud. Both the base pipe and the outer shroud are expandable, and the woven filter is typically arranged over the base pipe in sheets that partially cover one another and slide across one another as the sand screen is expanded, or is expanded directly.
The expanded tubular or tool can then be expanded by a cone-shaped object urged along its inner bore or by an expander tool having radially outward extending rollers that are fluid powered from a tubular string. Using expansion means like these, the expandable tubular or tool is subjected to outwardly radial forces that urge the expanding walls against the open formation or parent casing. The expandable components are stretched past their elastic limit, thereby increasing the inner and outer diameter of the tubular.
A major advantage to the use of expandable sand screen in an open weilbore like the one described herein is that once expanded, the annular area between the screen and the wellbore is mostly eliminated, and with it the need for a gravel pack.
Typically, the ESS
or other solid expandable tubular is expanded to a point where its outer wall places a stress on the wall of the wellbore, thereby providing support to the walls of the wellbore to prevent dislocation of particles. Solid expandable tubulars are oftentimes used in conjunction with an expandable sand screen to provide a zonal isolation capability.
In modem well completions, the operator oftentimes wishes to employ downhole tools or instruments. These include sliding sleeves, submersible electrical pumps, downhole chokes, and various sensing devices. These devices are controlled from the surface via hydraulic control lines, electrical control lines, mechanical control lines, fiber optics and/or a combination thereof. For example, the operator may wish to place a series of pressure and/or temperature sensors every ten meters within a portion of the hole, connected by a fiber optic control line. This line would extend into that portion of the wellbore where an expandable sand screen or other solid expandable tubular or tool has been placed.
In order to protect the control lines or instrumentation lines, the lines are typically placed into small metal tubings which are affixed external to the expandable tubular and the production tubing within the wellbore. In addition, in completions utilizing known non-expandable gravel packs, the control lines have been housed within a metallic rectangular cross-sectioned container. However, this method of housing control lines or instrumentation downhole is not feasible in the context of the new, expandable completions now being offered.
First, the presence of control lines behind an expandable tubular interferes with an important function, which is to provide a close fit between the outside surface of the expandable tubular, and the formation wall. The absence of a close fit between the outside surface of the expandable tubular and the formation wall creates a vertical channel outside of the tubular, allowing fonnation fluids to migrate between formations therein, This, in turn, causes inaccurate pressure, temperature, or other readings from downhole instrumentation, particularly when the well is shut in for a period of time, or may provide a channel for erosive wear.
There is a need, therefore, for an encapsulation for control lines or instrumentation lines which is not rectangular in shape, but is profiled so as to allow a close fit between an expandable tubular and a formation wall or parent casing. There is furt.her a need for an encapsulation which resides between the outside surface of an expandable tubular and the formation wall, and which does not leave a vertical channel outside of the expandable tubular when it is expanded against the formation wall. Still further, there is ...,-.,.
In order to protect the control lines or instrumentation lines, the lines are typically placed into small metal tubings which are affixed external to the expandable tubular and the production tubing within the wellbore. In addition, in completions utilizing known non-expandable gravel packs, the control lines have been housed within a metallic rectangular cross-sectioned container. However, this method of housing control lines or instrumentation downhole is not feasible in the context of the new, expandable completions now being offered.
First, the presence of control lines behind an expandable tubular interferes with an important function, which is to provide a close fit between the outside surface of the expandable tubular, and the formation wall. The absence of a close fit between the outside surface of the expandable tubular and the formation wall creates a vertical channel outside of the tubular, allowing fonnation fluids to migrate between formations therein, This, in turn, causes inaccurate pressure, temperature, or other readings from downhole instrumentation, particularly when the well is shut in for a period of time, or may provide a channel for erosive wear.
There is a need, therefore, for an encapsulation for control lines or instrumentation lines which is not rectangular in shape, but is profiled so as to allow a close fit between an expandable tubular and a formation wall or parent casing. There is furt.her a need for an encapsulation which resides between the outside surface of an expandable tubular and the formation wall, and which does not leave a vertical channel outside of the expandable tubular when it is expanded against the formation wall. Still further, there is ...,-.,.
a need for such an encapsulation device which is durable enough to withstand abrasions incurred while being run into the wellbore, but which is sufficiently deformable as to be deformed in arcuate fashion as to closely reside between an expanded tubular and the wall of a wellbore, whether cased or open.
Apparatus aspects corresponding to method aspects disclosed herein are also provided, and vice versa.
The encapsulation of the present invention can be used to house instrumentation lines, control lines, or instruments downhole. In one use, the encapsulation resides between an expandable downhole tool, such as an expandable sand screen, and the wall of the wellbore. The encapsulation is specially profiled to allow the downhole tool, e.g., ESS, to be expanded into the wall of the weilbore without leaving a channel outside of the tool through which formation fluids might vertically migrate. The encapsulation is useful in both cased hole and open hole completions. The profile is generally derived from the bore hole inner diameter (i.d.) (or parent casing i.d.) and the outer diameter (o.d.) of the expanded tubular.
In one aspect, the invention provides an expandable downhole tool, comprising:
a base pipe;
a shroud concentrically disposed about the base pipe;
a filter media disposed between the base pipe and the shroud; and an enclosed line housing disposed on the outer surface of the shroud;
wherein the enclosed line housing is deformable upon expansion of the downhole tool.
In one aspect, the invention provides a method of protecting one or more control lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing therethrough;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore;
protecting the one or more control lines with the enclosed line housing during the expansion; and 4a deforming the enclosed line housing upon expansion of the downhole tool to substantially seal the annulus.
In one aspect, the invention provides an expandable sand screen for disposing in a wellbore, the screen comprising:
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
In one aspect, the invention provides an expandable assembly for disposing in a wellbore, the assembly comprising:
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
In one aspect, the invention provides a method of disposing an expandable sand screen in a wellbore, the method comprising:
4b providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
In one aspect, the invention provides an apparatus for use in a wellbore, the apparatus comprising:
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
In one aspect, the invention provides a method comprising:
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
In one aspect, the invention provides a method of protecting one or more lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
4c According to an aspect of the present invention there is provided an expandable sand screen for disposing in a wellbore, the screen comprising:
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
According to another aspect of the present invention there is provided an expandable assembly for disposing in a wellbore, the assembly comprising:
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
According to a further aspect of the present invention there is provided a method of disposing an expandable sand screen in a wellbore, the method comprising:
providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer ~=.
4d surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
According to a further aspect of the present invention there is provided an apparatus for use in a wellbore, the apparatus comprising:
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
According to a further aspect of the present invention there is provided a method comprising:
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
According to a further aspect of the present invention there is provided a method of protecting one or more lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
Some preferred embodiments of the invention will now be described by way of example only and with reference to the accompanying drawings, in which:
,~.,.
4e Figure 1 is a section view showing an open hole wellbore with a typical expandable sand screen and tubulars disposed therein. A profiled encapsulation of the present invention is shown in cross-section running from the surface to the depth of the expandable completion.
Figure 2 is a top section view of an expandable sand screen completion within an open wellbore. The sand screen is in its unexpanded state. Visible is a top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus.
Apparatus aspects corresponding to method aspects disclosed herein are also provided, and vice versa.
The encapsulation of the present invention can be used to house instrumentation lines, control lines, or instruments downhole. In one use, the encapsulation resides between an expandable downhole tool, such as an expandable sand screen, and the wall of the wellbore. The encapsulation is specially profiled to allow the downhole tool, e.g., ESS, to be expanded into the wall of the weilbore without leaving a channel outside of the tool through which formation fluids might vertically migrate. The encapsulation is useful in both cased hole and open hole completions. The profile is generally derived from the bore hole inner diameter (i.d.) (or parent casing i.d.) and the outer diameter (o.d.) of the expanded tubular.
In one aspect, the invention provides an expandable downhole tool, comprising:
a base pipe;
a shroud concentrically disposed about the base pipe;
a filter media disposed between the base pipe and the shroud; and an enclosed line housing disposed on the outer surface of the shroud;
wherein the enclosed line housing is deformable upon expansion of the downhole tool.
In one aspect, the invention provides a method of protecting one or more control lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing therethrough;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore;
protecting the one or more control lines with the enclosed line housing during the expansion; and 4a deforming the enclosed line housing upon expansion of the downhole tool to substantially seal the annulus.
In one aspect, the invention provides an expandable sand screen for disposing in a wellbore, the screen comprising:
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
In one aspect, the invention provides an expandable assembly for disposing in a wellbore, the assembly comprising:
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
In one aspect, the invention provides a method of disposing an expandable sand screen in a wellbore, the method comprising:
4b providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
In one aspect, the invention provides an apparatus for use in a wellbore, the apparatus comprising:
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
In one aspect, the invention provides a method comprising:
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
In one aspect, the invention provides a method of protecting one or more lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
4c According to an aspect of the present invention there is provided an expandable sand screen for disposing in a wellbore, the screen comprising:
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
According to another aspect of the present invention there is provided an expandable assembly for disposing in a wellbore, the assembly comprising:
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
According to a further aspect of the present invention there is provided a method of disposing an expandable sand screen in a wellbore, the method comprising:
providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer ~=.
4d surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
According to a further aspect of the present invention there is provided an apparatus for use in a wellbore, the apparatus comprising:
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
According to a further aspect of the present invention there is provided a method comprising:
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
According to a further aspect of the present invention there is provided a method of protecting one or more lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
Some preferred embodiments of the invention will now be described by way of example only and with reference to the accompanying drawings, in which:
,~.,.
4e Figure 1 is a section view showing an open hole wellbore with a typical expandable sand screen and tubulars disposed therein. A profiled encapsulation of the present invention is shown in cross-section running from the surface to the depth of the expandable completion.
Figure 2 is a top section view of an expandable sand screen completion within an open wellbore. The sand screen is in its unexpanded state. Visible is a top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus.
Figure 3 is a top section view of an expandable sand screen before expansion, and a blow-up view of a portion of the expandable sand screen.
Figure 4 is a top section view of an expandable sand screen within an open wellbore.
5 The sand screen is in its expanded state. Visible is a top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus.
Figure 5 depicts the expandable sand screen of Figure 4, expanded against a cased hole wellbore.
Figure 1 is a section view showing an open hole wellbore 40. The wellbore 40 includes a central wellbore which is lined with casing 42. The annular area between the casing 42 and the earth is filled with cement 46 as is typical in well completion.
Extending downward from the central wellbore is an open hole wellbore 48. A formation 50 is shown adjacent the wellbore 48.
Disposed in the open wellbore 48 is a downhole tool 20 to be expanded. In the embodiment shown in FIG. 1, the tool 20 is an expandable sand screen (ESS ).
However, the tool 20 could be any expandable downhole apparatus. An ESS 20 is hung within the wellbore 40 from a hanging apparatus 32. In some instances, the hanging apparatus is a packer (not shown). In the depiction of FIG. 1, the hanging apparatus is a liner 30 and liner hanger 32. A separate packer 34 may be employed to seal the annulus between the liner 30 and the production tubular 44.
Also depicted in FIG. 1 is an encapsulation 10 of the present invention. The encapsulation 10 is shown running from the surface to the liner hanger 32. The encapsulation 10 is secured to the production tubular 44 by clamps, shown schematically at 18. Clamps 18 are typically secured to the production tubular approximately every ten meters. The clamps 18 are designed to expand with the too120 when it is expanded. The encapsulation 10 passes through the liner hanger 32 (or utilized hanging apparatus), and extends downward to a designated depth within the wellbore 40. In the embodiment shown in FIG. 1, the encapsulation 10 extends into the annular region (shown as 28 in FIG. 2) between the expandable sand screen 20 an d the open hole wellbore 48. Note that the expandable sand screen 20 of Figure 1 has already been expanded against the open hole formation 50 so that no annular region remains. The ESS 20 is thus in position for production of hydrocarbons.
Figure 2 presents a top section view of an encapsulation 10 of the present invention.
The encapsulation 10 resides in this depiction within an open hole wellbore 48. As in Figure 1, the encapsulation 10 is disposed in the annular region 28 defined by the expandable sand screen 20 and the formation wall 48. The encapsulation 10 is designed to serve as a housing for control lines or instrumentation lines 62 or control instrumentation (not shown). For purposes of this application, such lines 62 include any type of data acquisition lines, conununication lines, fiber optics, cables, sensors, and downhole "smart well" features. The encapsulation 10 may optionally also house metal tubulars 60 for holding such control or instrumentation lines 62.
The encapsulation 10 is specially profiled to closely fit between the sand screen 20 and the surrounding formation wall 48 after the sand screen 20 has been expanded.
In this way, no vertical channel is left within the annular region 28 after the sand screen 20 is been expanded. To accomplish this, an arcuate configuration is employed for the encapsulation 20 whereby at least one of the walls 12 and 14 is arcuate in shape. In the preferred embodiment shown in FIG. 2, both walls 12 and 14 are arcuate such that a crescent-shape profile is defined. Thus, the encapsulation 10 shown in FIG. 2 comprises a first arcuate wall 12 and a second arcuate wall 14 sharing a first end 15' and a second end 15". However, it is only necessary that the outside wall 12 be arcuate in design.
The encapsulation 10 is normally fabricated from a thermoplastic material which is durable enough to withstand abrasions while being run into the wellbore 40. At the same time, the encapsulation 10 material must be sufficiently malleable to allow the encapsulation to generally deform to the contour of the wellbore 48. This prevents annular flow behind the sand screen 20. The encapsulation 10 is preferably clamped to the expandable tubular 20 by expandable clamps (not shown). The expandable clamps are designed to provide minimal restriction to the tubular i.d.
Figure 4 is a top section view of an expandable sand screen within an open wellbore.
5 The sand screen is in its expanded state. Visible is a top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus.
Figure 5 depicts the expandable sand screen of Figure 4, expanded against a cased hole wellbore.
Figure 1 is a section view showing an open hole wellbore 40. The wellbore 40 includes a central wellbore which is lined with casing 42. The annular area between the casing 42 and the earth is filled with cement 46 as is typical in well completion.
Extending downward from the central wellbore is an open hole wellbore 48. A formation 50 is shown adjacent the wellbore 48.
Disposed in the open wellbore 48 is a downhole tool 20 to be expanded. In the embodiment shown in FIG. 1, the tool 20 is an expandable sand screen (ESS ).
However, the tool 20 could be any expandable downhole apparatus. An ESS 20 is hung within the wellbore 40 from a hanging apparatus 32. In some instances, the hanging apparatus is a packer (not shown). In the depiction of FIG. 1, the hanging apparatus is a liner 30 and liner hanger 32. A separate packer 34 may be employed to seal the annulus between the liner 30 and the production tubular 44.
Also depicted in FIG. 1 is an encapsulation 10 of the present invention. The encapsulation 10 is shown running from the surface to the liner hanger 32. The encapsulation 10 is secured to the production tubular 44 by clamps, shown schematically at 18. Clamps 18 are typically secured to the production tubular approximately every ten meters. The clamps 18 are designed to expand with the too120 when it is expanded. The encapsulation 10 passes through the liner hanger 32 (or utilized hanging apparatus), and extends downward to a designated depth within the wellbore 40. In the embodiment shown in FIG. 1, the encapsulation 10 extends into the annular region (shown as 28 in FIG. 2) between the expandable sand screen 20 an d the open hole wellbore 48. Note that the expandable sand screen 20 of Figure 1 has already been expanded against the open hole formation 50 so that no annular region remains. The ESS 20 is thus in position for production of hydrocarbons.
Figure 2 presents a top section view of an encapsulation 10 of the present invention.
The encapsulation 10 resides in this depiction within an open hole wellbore 48. As in Figure 1, the encapsulation 10 is disposed in the annular region 28 defined by the expandable sand screen 20 and the formation wall 48. The encapsulation 10 is designed to serve as a housing for control lines or instrumentation lines 62 or control instrumentation (not shown). For purposes of this application, such lines 62 include any type of data acquisition lines, conununication lines, fiber optics, cables, sensors, and downhole "smart well" features. The encapsulation 10 may optionally also house metal tubulars 60 for holding such control or instrumentation lines 62.
The encapsulation 10 is specially profiled to closely fit between the sand screen 20 and the surrounding formation wall 48 after the sand screen 20 has been expanded.
In this way, no vertical channel is left within the annular region 28 after the sand screen 20 is been expanded. To accomplish this, an arcuate configuration is employed for the encapsulation 20 whereby at least one of the walls 12 and 14 is arcuate in shape. In the preferred embodiment shown in FIG. 2, both walls 12 and 14 are arcuate such that a crescent-shape profile is defined. Thus, the encapsulation 10 shown in FIG. 2 comprises a first arcuate wall 12 and a second arcuate wall 14 sharing a first end 15' and a second end 15". However, it is only necessary that the outside wall 12 be arcuate in design.
The encapsulation 10 is normally fabricated from a thermoplastic material which is durable enough to withstand abrasions while being run into the wellbore 40. At the same time, the encapsulation 10 material must be sufficiently malleable to allow the encapsulation to generally deform to the contour of the wellbore 48. This prevents annular flow behind the sand screen 20. The encapsulation 10 is preferably clamped to the expandable tubular 20 by expandable clamps (not shown). The expandable clamps are designed to provide minimal restriction to the tubular i.d.
In FIG. 2, the sand screen 20 is in its unexpanded state. In the embodiment of FIG. 2, the sand screen 20 is constructed from three composite layers. These defme a slotted structural base pipe 22, a layer of filter media 24, and an outer encapsulating and protecting shroud 26. Both the base pipe 22 and the outer shroud 26 are configured to permit hydrocarbons to flow therethrough, such as through slots (e.g., 23) or perforations formed therein. The filter materia124 is held between the base pipe 22 and the outer shroud 26, and serves to filter sand and other particulates from entering the sand screen 20 and the production tubular 44. The sand screen 20 typically is manufactured in sections which can be joined end-to-end at the well-site during downhole completion. It is within the scope of this invention to employ an encapsulation 10 with one or more sections of expandable sand screen 20 or other expandable downhole tool.
In Figure 3, the sand screen 20 is again shown in cross-section. A portion 20e of the sand screen 20 is shown in an expanded state, to demonstrate that the sand screen 20 remains sand tight after expansion. (Note that the expanded depiction is not to scale.) Radial force applied to the inner wall of the base pipe 22 forces the pipe 22 past its elastic limits and also expands the diameter of the base pipe perforations 23.
Also expanded is the shroud 26. As shown in Figure 4, the shroud 26 is expanded to a point of contact with the wellbore 48. Substantial contact between the sand screen 20 and the welibore wall 48 places a slight stress on the formation 50, reducing the risk of particulate matter entering the wellbore 48. It also reduces the risk of vertical fluid flow behind the sand screen 20.
Figure 4 is a top section view illustrating the wellbore 48 and the sand screen 20 expanded therein. Expansion is within the open wellbore 48 of FIG. 2. Visible is the top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus 28. The encapsulation 10 has been expanded by a conformed cone or roller apparatus or other expander tool (not shown) to provide a close fit between the sand screen 20 and the formation 48 such that no annular region 28 remains as would permit measurable vertical fluid movement behind the sand screen 20.
In Figure 3, the sand screen 20 is again shown in cross-section. A portion 20e of the sand screen 20 is shown in an expanded state, to demonstrate that the sand screen 20 remains sand tight after expansion. (Note that the expanded depiction is not to scale.) Radial force applied to the inner wall of the base pipe 22 forces the pipe 22 past its elastic limits and also expands the diameter of the base pipe perforations 23.
Also expanded is the shroud 26. As shown in Figure 4, the shroud 26 is expanded to a point of contact with the wellbore 48. Substantial contact between the sand screen 20 and the welibore wall 48 places a slight stress on the formation 50, reducing the risk of particulate matter entering the wellbore 48. It also reduces the risk of vertical fluid flow behind the sand screen 20.
Figure 4 is a top section view illustrating the wellbore 48 and the sand screen 20 expanded therein. Expansion is within the open wellbore 48 of FIG. 2. Visible is the top view of a profiled encapsulation of the present invention residing in the sand screen-formation annulus 28. The encapsulation 10 has been expanded by a conformed cone or roller apparatus or other expander tool (not shown) to provide a close fit between the sand screen 20 and the formation 48 such that no annular region 28 remains as would permit measurable vertical fluid movement behind the sand screen 20.
Figure 5 depicts an expandable sand screen 20 expanded against a cased hole wellbore.
Casing is shown as 52, and the cement is shown as 56. The casing 52 is perforated 53 to allow hydrocarbons to pass into and through the sand screen 20. This demonstrates that the encapsulation 10 of the present invention has application to a cased hole completion as well as an open hole completion. Those of ordinary skill in the art will appreciate that hydrocarbons will enter the casing through perforations (not shown).
Although the invention has been described in terms of preferred embodiments as set forth above, it should be understood that these embodiments are illustrative only and that the'claims are not limited to those embodiments. Those skilled in the art will be able to make modifications and alternatives in view of the disclosure which are contemplated as falling within the scope of the appended claims.
Casing is shown as 52, and the cement is shown as 56. The casing 52 is perforated 53 to allow hydrocarbons to pass into and through the sand screen 20. This demonstrates that the encapsulation 10 of the present invention has application to a cased hole completion as well as an open hole completion. Those of ordinary skill in the art will appreciate that hydrocarbons will enter the casing through perforations (not shown).
Although the invention has been described in terms of preferred embodiments as set forth above, it should be understood that these embodiments are illustrative only and that the'claims are not limited to those embodiments. Those skilled in the art will be able to make modifications and alternatives in view of the disclosure which are contemplated as falling within the scope of the appended claims.
Claims (53)
1. An expandable sand screen for disposing in a wellbore, the screen comprising:
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and an encapsulation disposed on an outer surface of the structure, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the structure and the encapsulation prevents formation of a vertical flow channel outside of the expandable sand screen after the expandable sand screen is expanded against a surrounding surface.
2. The expandable sand screen of claim 1, wherein the cable comprises a fiber optic line.
3. The expandable sand screen of claim 1 or 2, wherein the body is made of a malleable material.
4. The expandable sand screen of any one of claims 1 to 3, wherein the structure comprises a filter media surrounded by an outer shroud.
5. The expandable sand screen of any one of claims 1 to 4, wherein the cable provides a control line.
6. The expandable sand screen of any one of claims 1 to 5, wherein the cable provides an instrumentation line.
7. An expandable assembly for disposing in a wellbore, the assembly comprising:
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
an expandable tubular member; and an encapsulation disposed on an outer surface of the expandable tubular member, the encapsulation comprising:
a metal tubular;
a cable disposed inside of the metal tubular; and a body surrounding the metal tubular, wherein the body has a shape such that the encapsulation defines a rounded protruding profile extending from the outer surface of the expandable tubular member and the encapsulation prevents formation of a vertical flow channel outside of the expandable tubular member after the expandable tubular member is expanded against a surrounding surface.
8. The expandable assembly of claim 7, wherein the cable comprises a fiber optic line.
9. The expandable assembly of claim 7 or 8, wherein the body is made of a malleable material.
10. A method of disposing an expandable sand screen in a wellbore, the method comprising:
providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
providing a perforated base pipe surrounded by a structure configured to filter particulates from entering an interior of the base pipe; and expanding the perforated base pipe and the structure in a radial direction, thereby causing an outer surface of the structure along with an encapsulation disposed on an outer surface of the structure to substantially block vertical flow between an outside of the expandable sand screen and a surrounding surface, wherein the encapsulation comprises a metal tubular within a body of the encapsulation and a cable disposed inside of the metal tubular.
11. The method of claim 10, wherein the expanding deforms the encapsulation.
12. The method of claim 10 or 11, wherein the perforated base pipe and the structure are deformed out of round adjacent to the encapsulation after expanding.
13. The method of claim 10 or 11, wherein the perforated base pipe and the structure have a round cross section before expanding and are deformed out of round adjacent to the encapsulation after expanding.
14. The method of any one of claims 10 to 13, wherein the cable comprises a fiber optic line.
15. The method of any one of claims 10 to 13, wherein the cable provides a control line.
16. An apparatus for use in a wellbore, the apparatus comprising:
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
an expandable tubular;
a control line connected to the outer diameter of the expandable tubular; and a controller communicating with the control line;
wherein the control line is disposed within a housing which provides a substantially sealed annulus between the expandable tubular and the wellbore.
17. The apparatus of claim 16, wherein the control line is a fiber optic line.
18. The apparatus of claim 16 or 17, wherein at least a radially outer wall of the housing is deformable.
19. The apparatus of any one of claims 16 to 18, wherein the housing comprises at least two deformable walls.
20. The apparatus of claim 18 or 19, wherein said one or more deformable wall comprises a deformable material.
21. The apparatus of any one of claims 16 to 20, wherein at least one wall of said housing is arcuate.
22. The apparatus of any one of claims 16 to 21, wherein said housing further serves as a housing for at least one metal tubular, said at least one metal tubular housing said control line.
23. The apparatus of any one of claims 16 to 22, wherein said expandable tubular is a sand screen.
24. The apparatus of any one of claims 16 to 23, wherein said wellbore includes an open hole portion and said expandable tubular is expandable into substantial contact with the wall of the wellbore.
25. The apparatus of any one of claims 16 to 23, wherein said wellbore defines a cased hole completion and said expandable tubular is expandable into substantial contact with the casing of the wellbore.
26. The apparatus of any one of claims 16 to 25, wherein said housing is profiled in a crescent shape.
27. A method comprising:
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
positioning an encapsulation between an expandable downhole tool and the wall of a wellbore for forming a line housing, the encapsulation being configured so as to conform substantially to the general contour of the wall of the wellbore when said downhole tool is expanded against said wall of the wellbore; and expanding said downhole tool.
28. The method of claim 27, wherein at least a radially outer wall of the encapsulation is deformable.
29. The method of claim 27 or 28, wherein the encapsulation comprises at least two deformable walls.
30. The method of claim 28 or 29, wherein said one or more deformable wall comprises a deformable material.
31. The method of any one of claims 27 to 30, wherein at least one wall of said encapsulation is arcuate.
32. The method of any one of claims 27 to 31, wherein said expandable downhole tool is an expandable tubular.
33. The method of any one of claims 27 to 32, wherein said encapsulation houses one or more of the following: control lines, instrumentation lines and downhole sensors.
34. The method of claim 33, wherein said encapsulation further houses at least one metal tubular, said at least one metal tubular housing said one or more of the following:
control lines, instrumentation lines and downhole sensors.
control lines, instrumentation lines and downhole sensors.
35. The method of any one of claims 27 to 34, wherein said expandable downhole tool is a sand screen.
36. The method of any one of claims 27 to 35, wherein said wellbore includes an open hole portion and said method comprises expanding the expandable downhole tool into substantial contact with the wall of the wellbore.
37. The method of any one of claims 27 to 35, wherein said wellbore defines a cased hole completion and said method comprises expanding the expandable downhole tool into substantial contact with the casing of the wellbore.
38. The method of any one of claims 27 to 37, wherein said encapsulation is profiled in a crescent shape.
39. A method of protecting one or more lines within a wellbore, the method comprising:
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
providing a downhole tool having an enclosed line housing running along the downhole tool;
expanding the downhole tool into the wellbore, thereby radially moving the line housing through an annulus between the downhole tool and the wellbore; and protecting the one or more lines with the enclosed line housing during the expansion.
40. The method of claim 39, further comprising deforming the enclosed line housing upon expansion of the downhole tool to substantially seal the annulus.
41. The method of claim 39 or 40, further comprising substantially conforming the enclosed line housing to a shape of a wall of the wellbore upon expansion of the downhole tool to substantially seal the annulus.
42. The method of any one of claims 39 to 41, wherein at least a radially outer wall of the enclosed line housing is deformable.
43. The method of any one of claims 39 to 42, comprising at least two deformable walls.
44. The method of claim 42 or 43, wherein said one or more deformable wall comprises a deformable material.
45. The method of any one of claims 39 to 44, wherein at least one wall of said enclosed line housing is arcuate.
46. The method of any one of claims 39 to 45, wherein said downhole tool is an expandable tubular.
47. The method of any one of claims 39 to 46, wherein said enclosed line housing serves as a housing for one or more of the following: control lines, instrumentation lines, control instrumentation, data acquisition lines, communication lines, fibre optics, cables and downhole sensors.
48. The method of claim 47, wherein said enclosed line housing further serves as a housing for at least one metal tubular, said at least one metal tubular housing said one or more of the following: control lines, instrumentation lines, control instrumentation, data acquisition lines, communication lines, fibre optics, cables and downhole sensors.
49. The method of any one of claims 39 to 48, wherein said downhole tool is a sand screen.
50. The method of any one of claims 39 to 49, wherein said wellbore includes an open hole portion and said downhole tool is expandable into substantial contact with the wall of the wellbore.
51. The method of any one of claims 39 to 49, wherein said wellbore defines a cased hole completion and said expandable downhole tool is expandable into substantial contact with the casing of the wellbore.
52. The method of any one of claims 39 to 51, wherein the enclosed line housing runs along the outside of the downhole tool.
53. The method of any one of claims 39 to 52, wherein said enclosed line housing is profiled in a crescent shape.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/964,160 US6932161B2 (en) | 2001-09-26 | 2001-09-26 | Profiled encapsulation for use with instrumented expandable tubular completions |
| US09/964,160 | 2001-09-26 | ||
| CA002461673A CA2461673C (en) | 2001-09-26 | 2002-09-23 | Profiled encapsulation for use with instrumented expandable tubular completions |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002461673A Division CA2461673C (en) | 2001-09-26 | 2002-09-23 | Profiled encapsulation for use with instrumented expandable tubular completions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2666045A1 true CA2666045A1 (en) | 2003-04-03 |
| CA2666045C CA2666045C (en) | 2013-12-03 |
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| CA2666045A Expired - Lifetime CA2666045C (en) | 2001-09-26 | 2002-09-23 | Profiled encapsulation for use with instrumented expandable tubular completions |
| CA002461673A Expired - Lifetime CA2461673C (en) | 2001-09-26 | 2002-09-23 | Profiled encapsulation for use with instrumented expandable tubular completions |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002461673A Expired - Lifetime CA2461673C (en) | 2001-09-26 | 2002-09-23 | Profiled encapsulation for use with instrumented expandable tubular completions |
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| US (2) | US6932161B2 (en) |
| CA (2) | CA2666045C (en) |
| GB (2) | GB2420580B (en) |
| NO (1) | NO334204B1 (en) |
| WO (1) | WO2003027435A1 (en) |
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-
2001
- 2001-09-26 US US09/964,160 patent/US6932161B2/en not_active Expired - Lifetime
-
2002
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- 2002-09-23 CA CA2666045A patent/CA2666045C/en not_active Expired - Lifetime
- 2002-09-23 WO PCT/GB2002/004303 patent/WO2003027435A1/en not_active Application Discontinuation
- 2002-09-23 GB GB0406508A patent/GB2397318B/en not_active Expired - Fee Related
- 2002-09-23 CA CA002461673A patent/CA2461673C/en not_active Expired - Lifetime
-
2004
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-
2005
- 2005-07-18 US US11/183,440 patent/US7073601B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2461673C (en) | 2009-08-04 |
| NO20041269D0 (en) | 2004-03-25 |
| NO334204B1 (en) | 2014-01-13 |
| US7073601B2 (en) | 2006-07-11 |
| NO20041269L (en) | 2004-06-15 |
| WO2003027435A1 (en) | 2003-04-03 |
| CA2666045C (en) | 2013-12-03 |
| US20030056948A1 (en) | 2003-03-27 |
| CA2461673A1 (en) | 2003-04-03 |
| GB2397318A (en) | 2004-07-21 |
| US6932161B2 (en) | 2005-08-23 |
| GB2420580B (en) | 2006-07-12 |
| GB0603860D0 (en) | 2006-04-05 |
| GB2397318B (en) | 2006-05-03 |
| US20050279515A1 (en) | 2005-12-22 |
| GB0406508D0 (en) | 2004-04-28 |
| GB2420580A (en) | 2006-05-31 |
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