CA2521528A1 - System for expanding a tubular element in a wellbore - Google Patents
System for expanding a tubular element in a wellbore Download PDFInfo
- Publication number
- CA2521528A1 CA2521528A1 CA002521528A CA2521528A CA2521528A1 CA 2521528 A1 CA2521528 A1 CA 2521528A1 CA 002521528 A CA002521528 A CA 002521528A CA 2521528 A CA2521528 A CA 2521528A CA 2521528 A1 CA2521528 A1 CA 2521528A1
- Authority
- CA
- Canada
- Prior art keywords
- tubular element
- activating
- expander
- tool
- energy source
- 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.)
- Abandoned
Links
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
- E21B43/105—Expanding tools specially adapted therefor
-
- 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
Abstract
A system is provided for expanding a tubular element extending into a wellbore formed in an earth formation. The system comprises an expander arranged to expand the tubular element by virtue of axial movement of the expander through the tubular element, an activating system for inducing the expander to move through the tubular element, the activating system including at least one activating tool, and a control system for controlling the activating system, including a remote control unit and for each activating tool a respective controller. The remote control unit is arranged to transmit an acoustic signal to an acoustic conductor selected from said tubular element and another elongate member extending into the borehole, each controller being arranged to receive said acoustic signal from the acoustic conductor and to control the corresponding activating tool upon receipt of said acoustic signal.
Description
SYSTEM FOR EXPANDING A TUBULAR ELEMENT IN A WELLBORE
The invention relates to a system for expanding a tubular element extending into a wellbore formed in an earth formation. Generally such system comprises an expander arranged to expand the tubular element by virtue of axial movement of the expander through the tubular element, and an activating system for inducing the expander to move through the tubular element, which activating system includes at least one activating tool.
Conventional wellbore tubulars, such as wellbore casings, have stepwise decreasing diameters with wellbore depth. This is because each lower tubular has to be lowered through previously installed upper tubulars, and therefore necessarily has to be of smaller diameter than the upper tubulars.
1S It has been tried to expand a lower wellbore casing in various ways, whereby it is a common concept to pull or pump an expander (also referred to as mandrel) through the lower casing. A problem in such procedure is that it is difficult to control the downhole activating system from surface, as such activating system generally includes various activating tools provided with components such as valves or motors, which are to be operated in a specific sequence.
It is an object of the invention to provide an improved system fox expanding a tubular element extending in a wellbore, which overcomes the aforementioned problem.
In accordance with the invention there is provided a system for expanding a tubular element extending into a wellbore formed in an earth formation, the system comprising:
an expander arranged to expand the tubular element by virtue o~ axial movement of the expander through the tubular element - an activating system for inducing the expander to move through the tubular element, the activating system including at least one activating tool; and - a control system for controlling the activating system, including a remote control unit and for each activating tool a respective controller, the remote control unit being arranged to transmit an acoustic signal to an acoustic conductor selected from said tubular element and another elongate member extending into the borehole, each controller being arranged to receive said acoustic signal from the acoustic conductor and to control the corresponding activating tool upon receipt of said acoustic signal.
By transmitting a specific acoustic signal through the tubular element, or through the other elongate member, it is achieved that a specific controller only reacts to the specific signal, while the other controllers react to different specific signals. In this manner it is achieved that the activating tools can be operated in a selected sequence by inducing the specific acoustic signals in a corresponding sequence into the tubular or elongate member.
Suitably said another elongate member is a body of fluid contained in the tubular element.
Preferably each controller is provided with a respective energy source arranged to activate the corresponding activating tool upon receipt of said acoustic signal by the controller. For example, such energy source is one of a hydraulic energy source, an electrical energy source and a mechanical energy source.
The invention will be described hereinafter in more detail and by way of example, with reference to the accompanying drawings in which:
Fig. 1 schematically shows an embodiment of a system fox expanding a casing in a wellbore; and Figs. 2-7 schematically show details of the embodiment of Fig. l at various stages of the expansion process, as described in more detail below.
In the Figures like reference numerals relate to like components.
Referring to Fig. 1 there is shown a wellbore 1 formed into an earth formation 2, the wellbore 1 being provided with a upper casing 9 extending from a wellhead 5 at surface, and a lower casing 6 extending from the wellhead 5, through the upper casing 4, to a depth near the bottom of the wellbore 1. A running string 8 extends from a drilling rig (not shown) at surface through the lower casing 6, and is connected to an expander 10 for radially expanding the lower casing 6.
The expander 10 is arranged just below the lower end of the lower casing 6. The running string 9 is provided with a fluid channel which is in communication with a through-bore provided in the expander 10, for pumping hydraulic fluid to the space below the expander 10.
An activating system 12 is provided for pulling and pumping the expander 10 through the lower casing 6 in order to expand same. The activating system 12 includes three activating tools, i.e. a hydraulic pulling tool 19 (referred to hereinafter as a "force multiplier"), an expandable anchor 16 for anchoring the upper end of the force multiplier 14 to the interior surface of the lower _ q _ casing 6, and an expandable packer 18 for sealing the interior of the lower casing 5. The packer 18 is connected to the expander 10 by a releasable connector 20. The force multiplier 14 includes two telescoping members 22, 24 which are operable to move axially inwardly relative to each other upon supply of hydraulic power to the force multiplier through the running string 8.
A control system is provided for controlling the ZO force multiplier 14, the expandable anchor 16 and the expandable packer 18. The control system includes a remote control unit 26 arranged at surface, and for each activating tool 14, 16, 18 a respective controller (not shown) arranged at the activating tool to which the respective controller pertains. The remote control unit 26 is connected by control line 28 to an acoustic transmitter 30 for the transmission of acoustic signals into the lower casing 6. Each controller includes an acoustic receiver arranged to allow the controller to receive the acoustic signals from the lower casing 6.
Furthermore, each controller is provided with a respective energy source which is arranged to activate the corresponding activating tool upon receipt of an acoustic signal by the controller. Such energy source can be a hydraulic energy source, an electrical energy source or a mechanical energy source. The energy sources are set up to activate the respective activating tools at mutually different acoustic signals. For example, the acoustic signals can be different in frequency or volume.
A suitable control system with an acoustic transmitter and acoustic receiver which can be used in application of the invention, is disclosed in WO 92/06278.
In Fig. 2 is shown the lower part of the lower casing 6 prior to expansion thereof, whereby the expandable anchor 16 has been expanded against the inner surface of the casing 6 so as to anchor the upper end of the force multiplier l4 to the casing 6.
In Fig. 3 is shown the activating system 12 after the expander 10 has been pulled a short distance into the lower part of the lower casing 6 by the force multiplier 14.
In Fig. 4 is shown the activating system 12 during further expansion of the lower casing 6 by pumping fluid below the expander 10.
In Fig. 5 is shown the activating system 12 after expansion of the overlapping portions of the first and lower casings 4, 6.
In Fig. 6 is shown the activating system 12 after reconnection of the expandable packer 18 to the expander 10.
In Fig. 7 is shown the activating system 12 during a contingency operation.
During normal use the upper casing 9 is installed and cemented in the wellbore, whereafter the wellbore 1 is further drilled and the lower casing 6 is lowered into the wellbore 1. The lower casing is run into the wellbore 1 simultaneously with the running string 8 which suspends the hydraulic pulling tool 14, the force multiplier 14 and the expandable packer 18. Optionally the casing 6 is suspended by the expander 10, the force multiplier 14 and the running string 8 during lowering.
The remote control unit 26 is then operated to induce a first acoustic signal into the lower casing 6 by means of the transmitter 30. The first acoustic signal is selected such that the energy source of the expandable anchor 16 is reactive to the signal. The signal is picked up by the controller of the expandable anchor 16, by means of its acoustic receiver, and as a result the expandable anchor 16 expands itself against the casing 6 whereby the upper end of the force multiplier becomes anchored to the casing 6 as shown in Fig. 2.
In a next step the remote control unit 26 is operated to induce a second acoustic signal into the lower casing 6 by means of the transmitter 30, which second acoustic signal is such that the force multiplier 14 becomes activated by its respective energy source. The force multiplier 14 thereby pulls the expander 10 (with the packer 18 connected thereto) a short distance into the lower part of the lower casing 6 and thereby expands said lower part, as shown in Fig. 3.
Then the remote control unit 26 is operated to induce a third acoustic signal into the lower casing 6 by means of the transmitter 30. The third acoustic signal is such that the energy source of the expandable anchor 16 induces the expandable anchor 16 to retract from the inner surface of the casing 6.
A fourth acoustic signal is then induced into the lower casing 6 in order that the energy source of the expandable packer 18 induces the packer 18 to expand against the inner surface of the expanded portion of the lower casing 6 thereby sealing the lower casing 6, and to unlatch the packer 18 from the expander 10 by disconnecting the connector 20. Thereafter hydraulic fluid is pumped via the running string 8 and the through-bore of the expander 10, into the space between the expander 10 and the packer 18. This pumping action induces the expander 10 to move upwardly through the lower casing 6 and thereby to expand same, as shown in Fig. 9.
When the expander 10 arrives at the overlapping sections of the upper casing 4 and the lower casing 6, these overlapping sections are simultaneously expanded, as shown in Fig. 5. It will be understood that the force required to move the expander 10 through the overlapping sections is higher than before. In view thereof it may be advantageous if the overlapping section of the upper casing 4 is of reduced strength.
Tn a further step the expander 7.0 is lowered through the second casing 6 on the running string 8 until the expander 10 latches again to the packer 18 by means of connector 20. In this respect it is to be noted that the inner diameter of the expanded casing 6 is naturally slightly larger than the outer diameter of the expander 10, so that lowering of the expander 10 should be without obstruction. Then the activating system 12 is retrieved to surface by means of the running string 8, as shown in Fig. 6.
Should the lower casing 6 be damagedo pumping of the expander ZO through the lower casing 6 may not always be possible with the packer 18 arranged at the lower end of casing 6. This is because the damaged section may not be capable of withstanding the high internal fluid pressure.
In such instances the packer 18 can be set at a distance from the lower end of the lower casing 6, i.e. above the damaged section of casing 6. This situation is shown in Fig. 7.
The invention relates to a system for expanding a tubular element extending into a wellbore formed in an earth formation. Generally such system comprises an expander arranged to expand the tubular element by virtue of axial movement of the expander through the tubular element, and an activating system for inducing the expander to move through the tubular element, which activating system includes at least one activating tool.
Conventional wellbore tubulars, such as wellbore casings, have stepwise decreasing diameters with wellbore depth. This is because each lower tubular has to be lowered through previously installed upper tubulars, and therefore necessarily has to be of smaller diameter than the upper tubulars.
1S It has been tried to expand a lower wellbore casing in various ways, whereby it is a common concept to pull or pump an expander (also referred to as mandrel) through the lower casing. A problem in such procedure is that it is difficult to control the downhole activating system from surface, as such activating system generally includes various activating tools provided with components such as valves or motors, which are to be operated in a specific sequence.
It is an object of the invention to provide an improved system fox expanding a tubular element extending in a wellbore, which overcomes the aforementioned problem.
In accordance with the invention there is provided a system for expanding a tubular element extending into a wellbore formed in an earth formation, the system comprising:
an expander arranged to expand the tubular element by virtue o~ axial movement of the expander through the tubular element - an activating system for inducing the expander to move through the tubular element, the activating system including at least one activating tool; and - a control system for controlling the activating system, including a remote control unit and for each activating tool a respective controller, the remote control unit being arranged to transmit an acoustic signal to an acoustic conductor selected from said tubular element and another elongate member extending into the borehole, each controller being arranged to receive said acoustic signal from the acoustic conductor and to control the corresponding activating tool upon receipt of said acoustic signal.
By transmitting a specific acoustic signal through the tubular element, or through the other elongate member, it is achieved that a specific controller only reacts to the specific signal, while the other controllers react to different specific signals. In this manner it is achieved that the activating tools can be operated in a selected sequence by inducing the specific acoustic signals in a corresponding sequence into the tubular or elongate member.
Suitably said another elongate member is a body of fluid contained in the tubular element.
Preferably each controller is provided with a respective energy source arranged to activate the corresponding activating tool upon receipt of said acoustic signal by the controller. For example, such energy source is one of a hydraulic energy source, an electrical energy source and a mechanical energy source.
The invention will be described hereinafter in more detail and by way of example, with reference to the accompanying drawings in which:
Fig. 1 schematically shows an embodiment of a system fox expanding a casing in a wellbore; and Figs. 2-7 schematically show details of the embodiment of Fig. l at various stages of the expansion process, as described in more detail below.
In the Figures like reference numerals relate to like components.
Referring to Fig. 1 there is shown a wellbore 1 formed into an earth formation 2, the wellbore 1 being provided with a upper casing 9 extending from a wellhead 5 at surface, and a lower casing 6 extending from the wellhead 5, through the upper casing 4, to a depth near the bottom of the wellbore 1. A running string 8 extends from a drilling rig (not shown) at surface through the lower casing 6, and is connected to an expander 10 for radially expanding the lower casing 6.
The expander 10 is arranged just below the lower end of the lower casing 6. The running string 9 is provided with a fluid channel which is in communication with a through-bore provided in the expander 10, for pumping hydraulic fluid to the space below the expander 10.
An activating system 12 is provided for pulling and pumping the expander 10 through the lower casing 6 in order to expand same. The activating system 12 includes three activating tools, i.e. a hydraulic pulling tool 19 (referred to hereinafter as a "force multiplier"), an expandable anchor 16 for anchoring the upper end of the force multiplier 14 to the interior surface of the lower _ q _ casing 6, and an expandable packer 18 for sealing the interior of the lower casing 5. The packer 18 is connected to the expander 10 by a releasable connector 20. The force multiplier 14 includes two telescoping members 22, 24 which are operable to move axially inwardly relative to each other upon supply of hydraulic power to the force multiplier through the running string 8.
A control system is provided for controlling the ZO force multiplier 14, the expandable anchor 16 and the expandable packer 18. The control system includes a remote control unit 26 arranged at surface, and for each activating tool 14, 16, 18 a respective controller (not shown) arranged at the activating tool to which the respective controller pertains. The remote control unit 26 is connected by control line 28 to an acoustic transmitter 30 for the transmission of acoustic signals into the lower casing 6. Each controller includes an acoustic receiver arranged to allow the controller to receive the acoustic signals from the lower casing 6.
Furthermore, each controller is provided with a respective energy source which is arranged to activate the corresponding activating tool upon receipt of an acoustic signal by the controller. Such energy source can be a hydraulic energy source, an electrical energy source or a mechanical energy source. The energy sources are set up to activate the respective activating tools at mutually different acoustic signals. For example, the acoustic signals can be different in frequency or volume.
A suitable control system with an acoustic transmitter and acoustic receiver which can be used in application of the invention, is disclosed in WO 92/06278.
In Fig. 2 is shown the lower part of the lower casing 6 prior to expansion thereof, whereby the expandable anchor 16 has been expanded against the inner surface of the casing 6 so as to anchor the upper end of the force multiplier l4 to the casing 6.
In Fig. 3 is shown the activating system 12 after the expander 10 has been pulled a short distance into the lower part of the lower casing 6 by the force multiplier 14.
In Fig. 4 is shown the activating system 12 during further expansion of the lower casing 6 by pumping fluid below the expander 10.
In Fig. 5 is shown the activating system 12 after expansion of the overlapping portions of the first and lower casings 4, 6.
In Fig. 6 is shown the activating system 12 after reconnection of the expandable packer 18 to the expander 10.
In Fig. 7 is shown the activating system 12 during a contingency operation.
During normal use the upper casing 9 is installed and cemented in the wellbore, whereafter the wellbore 1 is further drilled and the lower casing 6 is lowered into the wellbore 1. The lower casing is run into the wellbore 1 simultaneously with the running string 8 which suspends the hydraulic pulling tool 14, the force multiplier 14 and the expandable packer 18. Optionally the casing 6 is suspended by the expander 10, the force multiplier 14 and the running string 8 during lowering.
The remote control unit 26 is then operated to induce a first acoustic signal into the lower casing 6 by means of the transmitter 30. The first acoustic signal is selected such that the energy source of the expandable anchor 16 is reactive to the signal. The signal is picked up by the controller of the expandable anchor 16, by means of its acoustic receiver, and as a result the expandable anchor 16 expands itself against the casing 6 whereby the upper end of the force multiplier becomes anchored to the casing 6 as shown in Fig. 2.
In a next step the remote control unit 26 is operated to induce a second acoustic signal into the lower casing 6 by means of the transmitter 30, which second acoustic signal is such that the force multiplier 14 becomes activated by its respective energy source. The force multiplier 14 thereby pulls the expander 10 (with the packer 18 connected thereto) a short distance into the lower part of the lower casing 6 and thereby expands said lower part, as shown in Fig. 3.
Then the remote control unit 26 is operated to induce a third acoustic signal into the lower casing 6 by means of the transmitter 30. The third acoustic signal is such that the energy source of the expandable anchor 16 induces the expandable anchor 16 to retract from the inner surface of the casing 6.
A fourth acoustic signal is then induced into the lower casing 6 in order that the energy source of the expandable packer 18 induces the packer 18 to expand against the inner surface of the expanded portion of the lower casing 6 thereby sealing the lower casing 6, and to unlatch the packer 18 from the expander 10 by disconnecting the connector 20. Thereafter hydraulic fluid is pumped via the running string 8 and the through-bore of the expander 10, into the space between the expander 10 and the packer 18. This pumping action induces the expander 10 to move upwardly through the lower casing 6 and thereby to expand same, as shown in Fig. 9.
When the expander 10 arrives at the overlapping sections of the upper casing 4 and the lower casing 6, these overlapping sections are simultaneously expanded, as shown in Fig. 5. It will be understood that the force required to move the expander 10 through the overlapping sections is higher than before. In view thereof it may be advantageous if the overlapping section of the upper casing 4 is of reduced strength.
Tn a further step the expander 7.0 is lowered through the second casing 6 on the running string 8 until the expander 10 latches again to the packer 18 by means of connector 20. In this respect it is to be noted that the inner diameter of the expanded casing 6 is naturally slightly larger than the outer diameter of the expander 10, so that lowering of the expander 10 should be without obstruction. Then the activating system 12 is retrieved to surface by means of the running string 8, as shown in Fig. 6.
Should the lower casing 6 be damagedo pumping of the expander ZO through the lower casing 6 may not always be possible with the packer 18 arranged at the lower end of casing 6. This is because the damaged section may not be capable of withstanding the high internal fluid pressure.
In such instances the packer 18 can be set at a distance from the lower end of the lower casing 6, i.e. above the damaged section of casing 6. This situation is shown in Fig. 7.
Claims (10)
1. A system for expanding a tubular element extending into a wellbore formed in an earth formation, the system comprising:
- an expander arranged to expand the tubular element by virtue of axial movement of the expander through the tubular element;
- an activating system for inducing the expander to move through the tubular element, the activating system including at least one activating tool; and - a control system for controlling the activating system, including a remote control unit and for each activating tool a respective controller, the remote control unit being arranged to transmit an acoustic signal to an acoustic conductor selected from said tubular element and another elongate member extending into the borehole, each controller being arranged to receive said acoustic signal from the acoustic conductor and to control the corresponding activating tool upon receipt of said acoustic signal.
- an expander arranged to expand the tubular element by virtue of axial movement of the expander through the tubular element;
- an activating system for inducing the expander to move through the tubular element, the activating system including at least one activating tool; and - a control system for controlling the activating system, including a remote control unit and for each activating tool a respective controller, the remote control unit being arranged to transmit an acoustic signal to an acoustic conductor selected from said tubular element and another elongate member extending into the borehole, each controller being arranged to receive said acoustic signal from the acoustic conductor and to control the corresponding activating tool upon receipt of said acoustic signal.
2. The system of claim 1, wherein the tubular element is a wellbore casing.
3. The system of claim 1 or 2, wherein said another elongate member is a body of fluid contained in the tubular element.
4. The system of any one of claims 1-3, wherein each controller is provided with a respective energy source arranged to activate the corresponding activating tool upon receipt of said acoustic signal by the controller.
5. The system of claim 4, wherein the energy source is one of a hydraulic energy source, an electrical energy source and a mechanical energy source.
6. The system of any one of claims 1-5, wherein a first said activating tool is a hydraulic pulling tool for pulling the expander through the tubular element.
7. The system of claim 6, wherein a second said activating tool is an expandable anchor arranged to anchor the pulling tool to the interior surface of the tubular element upon expansion of the anchor.
8. The system of any one of claims 1-7, wherein a third said activating tool is an expandable packer for sealing an end portion of the tubular element, said packer being releasably connected to the expander.
9. The system of claim 8, wherein the expander and said packer are provided with a latching mechanism for latching the packer to the expander.
10. The system substantially as described hereinbefore with reference to the accompanying drawings.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03252486.0 | 2003-04-17 | ||
EP03252486 | 2003-04-17 | ||
PCT/EP2004/050510 WO2004092536A1 (en) | 2003-04-17 | 2004-04-13 | System for expanding a tubular element in a wellbore |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2521528A1 true CA2521528A1 (en) | 2004-10-28 |
Family
ID=33185971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002521528A Abandoned CA2521528A1 (en) | 2003-04-17 | 2004-04-13 | System for expanding a tubular element in a wellbore |
Country Status (8)
Country | Link |
---|---|
US (1) | US7377310B2 (en) |
CN (1) | CN1922384A (en) |
BR (1) | BRPI0409288A (en) |
CA (1) | CA2521528A1 (en) |
GB (1) | GB2415220B (en) |
NO (1) | NO20055433D0 (en) |
RU (1) | RU2331754C2 (en) |
WO (1) | WO2004092536A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2119867B1 (en) * | 2008-04-23 | 2014-08-06 | Weatherford/Lamb Inc. | Monobore construction with dual expanders |
US7980302B2 (en) * | 2008-10-13 | 2011-07-19 | Weatherford/Lamb, Inc. | Compliant expansion swage |
US8443881B2 (en) * | 2008-10-13 | 2013-05-21 | Weatherford/Lamb, Inc. | Expandable liner hanger and method of use |
US20170328184A1 (en) * | 2014-12-12 | 2017-11-16 | Shell Oil Company | Method and system for installing a tubular element in a borehole |
MY187974A (en) | 2014-12-12 | 2021-11-05 | Shell Int Research | Expanding a tubular element in a wellbore |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9021253D0 (en) | 1990-09-29 | 1990-11-14 | Metrol Tech Ltd | Method of and apparatus for the transmission of data via a sonic signal |
AU716324B2 (en) | 1995-02-10 | 2000-02-24 | Baker Hughes Incorporated | Method and apparatus for remote control of wellbore end devices |
US6172614B1 (en) | 1998-07-13 | 2001-01-09 | Halliburton Energy Services, Inc. | Method and apparatus for remote actuation of a downhole device using a resonant chamber |
MY120832A (en) | 1999-02-01 | 2005-11-30 | Shell Int Research | Multilateral well and electrical transmission system |
US6343649B1 (en) | 1999-09-07 | 2002-02-05 | Halliburton Energy Services, Inc. | Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation |
US6578630B2 (en) * | 1999-12-22 | 2003-06-17 | Weatherford/Lamb, Inc. | Apparatus and methods for expanding tubulars in a wellbore |
GB2383633A (en) * | 2000-06-29 | 2003-07-02 | Paulo S Tubel | Method and system for monitoring smart structures utilizing distributed optical sensors |
US6799637B2 (en) * | 2000-10-20 | 2004-10-05 | Schlumberger Technology Corporation | Expandable tubing and method |
US6789621B2 (en) * | 2000-08-03 | 2004-09-14 | Schlumberger Technology Corporation | Intelligent well system and method |
GB0119977D0 (en) * | 2001-08-16 | 2001-10-10 | E2 Tech Ltd | Apparatus and method |
US7182141B2 (en) * | 2002-10-08 | 2007-02-27 | Weatherford/Lamb, Inc. | Expander tool for downhole use |
GB2415219B (en) * | 2003-03-17 | 2007-02-21 | Enventure Global Technology | Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
-
2004
- 2004-04-13 BR BRPI0409288-0A patent/BRPI0409288A/en not_active IP Right Cessation
- 2004-04-13 RU RU2005135658/03A patent/RU2331754C2/en not_active IP Right Cessation
- 2004-04-13 US US10/553,368 patent/US7377310B2/en not_active Expired - Fee Related
- 2004-04-13 GB GB0520262A patent/GB2415220B/en not_active Expired - Fee Related
- 2004-04-13 WO PCT/EP2004/050510 patent/WO2004092536A1/en active Application Filing
- 2004-04-13 CN CNA2004800100926A patent/CN1922384A/en active Pending
- 2004-04-13 CA CA002521528A patent/CA2521528A1/en not_active Abandoned
-
2005
- 2005-11-16 NO NO20055433A patent/NO20055433D0/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO20055433L (en) | 2005-11-16 |
GB0520262D0 (en) | 2005-11-16 |
GB2415220B (en) | 2007-04-04 |
GB2415220A (en) | 2005-12-21 |
NO20055433D0 (en) | 2005-11-16 |
RU2331754C2 (en) | 2008-08-20 |
WO2004092536A1 (en) | 2004-10-28 |
RU2005135658A (en) | 2006-03-27 |
CN1922384A (en) | 2007-02-28 |
US7377310B2 (en) | 2008-05-27 |
US20060196654A1 (en) | 2006-09-07 |
BRPI0409288A (en) | 2006-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |