WO2014082162A1 - Method for increasing product recovery in fractures proximate fracture treated wellbores - Google Patents
Method for increasing product recovery in fractures proximate fracture treated wellbores Download PDFInfo
- Publication number
- WO2014082162A1 WO2014082162A1 PCT/CA2013/000994 CA2013000994W WO2014082162A1 WO 2014082162 A1 WO2014082162 A1 WO 2014082162A1 CA 2013000994 W CA2013000994 W CA 2013000994W WO 2014082162 A1 WO2014082162 A1 WO 2014082162A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stimulated
- wellbore
- fracture
- proximate
- product
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000011027 product recovery Methods 0.000 title claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 45
- 230000004936 stimulating effect Effects 0.000 claims abstract description 10
- 230000000977 initiatory effect Effects 0.000 claims abstract description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 37
- 239000004215 Carbon black (E152) Substances 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 22
- 230000000638 stimulation Effects 0.000 claims description 18
- 239000000700 radioactive tracer Substances 0.000 claims description 13
- 238000002405 diagnostic procedure Methods 0.000 claims description 5
- 238000013507 mapping Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 4
- 206010017076 Fracture Diseases 0.000 description 71
- 208000010392 Bone Fractures Diseases 0.000 description 50
- 150000002430 hydrocarbons Chemical class 0.000 description 33
- 238000005755 formation reaction Methods 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000011435 rock Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000003550 marker Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000020091 Dicranocarpus parviflorus Species 0.000 description 1
- 101001093690 Homo sapiens Protein pitchfork Proteins 0.000 description 1
- 102100036065 Protein pitchfork Human genes 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- 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
- E21B43/30—Specific pattern of wells, e.g. optimizing the spacing of wells
- E21B43/305—Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well
-
- 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
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
Definitions
- the invention relates generally to the field of horizontal hydrocarbon exploration and development wells and field development methods.
- the invention relates to increasing product recovery, in particular hydrocarbon recovery from fractures proximate fractured wellbores, preferably hydraulic fractured wellbores, through subsurface rock formations.
- the invention relates to a non-treated, preferably non-hydraulic fractured substantially deviated wellbore, wherein said non-treated substantially deviated wellbore is non-treated during product recovery, proximate a fracture treated, preferably a hydraulic fractured treated substantially deviated wellbore to allow for recovery of product, in particular hydrocarbons from fractures in said rock formations and methods for using same.
- reservoir product such as oil and/or gas or combinations thereof
- wellbores are stimulated, in one instance through hydraulic fracturing resulting in a hydraulic fracture in the formation surrounding the wellbore.
- wellbores are drilled in a pattern that benefits the most from the dominant hydraulic fracture direction.
- Wellbores are placed side by each, in one example, in a substantial pitchfork fashion, such that wellbores are evenly spaced at a distance or proximity that permit efficiency in drainage of hydrocarbon fluid or gas, contained in the reservoir and fracture, into said wellbore.
- Hydrocarbon fluid means gas, oil or combinations thereof that may also include other components, such as water used when fracturing a wellbore.
- Induced fracture means a fracture induced by any means including stimulating a wellbore using fracture stimulating techniques, including hydraulic fracture stimulating techniques.
- Non-stimulated (passive) wellbore means a wellbore that is not directly stimulated via said wellbore in order to stimulate fractures or hydrocarbon production but captures hydrocarbon fluid or product from fractures originating from a stimulated wellbore.
- the term non-stimulated (or passive) also means stimulated (or fractured) less than a stimulated well, preferably substantially non-stimulated (non-fractured), more preferably not stimulated (not fractured).
- the term also means not only less frequency of stimulation (fracturing), but also partial stimulation (fracturing) of a wellbore.
- non-stimulated also means that the well or wellbore is non- stimulated at and/or during the time of capturing product according to the process described herein.
- Product means any product contained in a rock formation or subterranean formation such as hydrocarbon or the like.
- solute from a salt mining operation such as sodium chloride and/or potassium chloride or other minerals dissolved from said rock formation, including geothermal heated water or steam.
- a method of recovering a product, preferably hydrocarbon (gas, oil and combinations thereof) fluids from a reservoir below a surface preferably normally not recoverable through a induced fracture proximate a stimulated substantially horizontal wellbore at a first predetermined depth in a formation, said method comprising:
- At least one stimulated substantially horizontal wellbore at a first predetermined depth in a formation; wherein said stimulation results in at least one induced fracture, preferably more than one induced fracture, in said formation, preferably in said reservoir, proximate said at least one stimulated substantially horizontal wellbore; said at least one induced fracture having at least an initiation point proximate said at least one stimulated substantially horizontal wellbore and at least one distal point, distant said at least one stimulated substantially horizontal wellbore;
- At least one non-stimulated wellbore preferably stimulated less than said stimulated wellbore, more preferably substantially non-stimulated, proximate said stimulated wellbore at a second predetermined depth in said formation, preferably substantially parallel to said stimulated wellbore, wherein said at least one non-stimulated wellbore further comprises at least one access point to capture product, preferably hydrocarbon from said formation, capturing said product, preferably hydrocarbon fluids from said at least one fracture, and recovery said captured product, preferably hydrocarbon fluids at said surface.
- said first and second predetermined depths are substantially the same. In another embodiment, said first and second predetermined depths are substantially different.
- said at least one non-stimulated wellbore is proximate said at least one distal point of said at least one induced fracture, more preferably said at least one non-stimulated wellbore is in contact with said at least one induced fracture, preferably transverses said at least one induced fracture.
- a product recovery system preferably a hydrocarbon recovery system comprising:
- At least one stimulated substantially horizontal wellbore at a first predetermined depth in a formation; wherein said stimulation results in at least one fracture proximate said at least one stimulated substantially horizontal wellbore;
- At least one non-stimulated wellbore preferably stimulated less than said stimulated wellbore, more preferably substantially non-stimulated, proximate said stimulated wellbore at a second predetermined depth in said formation, preferably substantially parallel to said stimulated wellbore, wherein said at least one non-stimulated wellbore further comprises at least one access point to capture product, preferably hydrocarbon from said formation of said at least one stimulated wellbore.
- a diagnostic method and system to determine the location of subsurface fractures comprising:
- At least one stimulated substantially horizontal wellbore at a first predetermined depth in a formation; wherein said stimulation results in at least one fracture, preferably more than one fracture, proximate said at least one stimulated substantially horizontal wellbore; introducing at least one marker or tracer, preferably a Gama emitting tracer or the like into said at least one stimulated substantially horizontal wellbore, such that said tracer enters at least one fracture, preferably more than one fracture, proximate said stimulated wellbore;
- At least one non-stimulated wellbore preferably stimulated less than said stimulated wellbore, more preferably substantially non-stimulated, proximate said stimulated wellbore at a second predetermined depth in said formation, preferably substantially parallel to said stimulated wellbore, wherein said at least one non-stimulated wellbore further comprises at least one access point to capture said at least one marker or tracer from said formation, capturing said at least one marker or tracer from said at least one fracture, and mapping the location and path of said marker or tracer to identify the location of said at least one fracture in said formation, resulting in information to map said at least one fracture, preferably more than one fracture, within a discrete fracture network, (DFN), mapping processes known in the industry.
- Said diagnostic method may reveal improvements in fracture design such that the induced fracture process in the actively stimulated wells can be achieved more efficiently while considering all resources, natural and capital (e.g., water, sand, hydrocarbon energy sources, and currency investment).
- a method of monitoring wellbore parameters preferably pressure in the at least one non-stimulated wellbore, preferably stimulated less than said stimulated wellbore, more preferably substantially non-stimulated, preferably before, during and after the stimulation of at least one stimulated wellbore.
- said monitoring indicating the interval when a fracture, produced by the stimulation of the at least one stimulated wellbore, comes in contact with, preferably intersects with, the at least one non-stimulated wellbore.
- said pressure is monitored with devices, preferably pressure sensors or gauges proximate said non- stimulated wellbore, preferably within said wellbore. In one embodiment, said pressure is monitored via a surface pressure gauge.
- This information may be used to improve fracture design processes in a manner similar to the above marker and tracer process.
- logging the drilled open hole with imaging logs to visualize natural fractures before the wellbores are drilled, and then after they are fracture stimulated to visualize the location the created fractures contact, preferably intersect the non-stimulated wellbore, may assist in understanding how fractures grow and propagate.
- said at least one non-stimulated wellbore further comprises a slotted liner.
- said at least one non-stimulated wellbore is not cased.
- said at least one stimulated and said at least one non-stimulated wellbore have a common entry point from said surface.
- said at least one stimulated and said at least one non-stimulated wellbore each has a distinct entry point from said surface.
- said at least one non-stimulated wellbore is substantially beneath said at least one stimulated wellbore.
- said at least one non-stimulated wellbore is substantially above said at least one stimulated wellbore.
- said at least one non-stimulated wellbore is substantially at the same height of said at least one stimulated wellbore.
- At least two non-stimulated wellbores are proximate said at least one stimulated wellbore, preferably substantially above and substantially below said stimulated wellbore.
- said at least one non-stimulated wellbore is preferably stimulated less than said stimulated wellbore, more preferably substantially non-stimulated.
- the at least one non-stimulated wellbore is an existing well previously stimulated but not directly stimulated at or during the time of the process of the present invention.
- a well previously stimulated, but having been shut in or unused for a period of time may now be the non-stimulated well recovering product proximate a stimulated well.
- Figure 1 is a depiction of a typical fractured wellbore in the field.
- Figure 2 is a depiction of a non-fractured (or non-stimulated) wellbore according to the present invention above a fractured (or stimulated) wellbore.
- Figure 3 is a depiction of a non-fractured (or non-stimulated) wellbore according to the present invention below a fractured (or stimulated) wellbore.
- Figure 4 is a depiction of two non-fractured (or non-stimulated) wellbores according to the present invention, one above and one below a fractured (or stimulated) wellbore.
- Figure 5 is a depiction of a plurality of non-fractured (or non-stimulated) wellbores according to the present invention proximate a fractured (or stimulated) wellbore and contacting a fracture resulting from the stimulation of the fractured wellbore.
- Figure 6 is a depiction of tracers identified in untraced wellbores from fractures created by stimulated wellbores proximate the untraced wellbores.
- Figure 7 is a depiction of a map view of wellbores in a formation.
- a typical fractured wellbore 23 resulting in a plurality of fractures 22 in the rock formation below the ground 19.
- An entry point 20 to the wellbore 23 above the ground level is provided.
- a first substantially horizontal wellbore 23 is drilled into a formation.
- the wellbore is cased and prepared as known to a person of ordinary skill in the art, for hydraulic fracturing.
- a second wellbore 24 is drilled proximate said first wellbore 23, particularly above said fractured wellbore 23.
- the second wellbore 24 is not prepared in the typical manner for hydraulic fracturing. Rather the second wellbore 24 is considered passive in nature.
- the passive wellbore 24 may be lined in any manner in order to prevent collapse of said wellbore, preferable with a slotted liner or the like or the wellbore may be left as an open hole.
- typical completions may require an intermediate casing set in the substantially horizontal wellbore and cemented to the surface.
- a passive or non-stimulated wellbore would then emanate from the end of said intermediate casing permitting flow of hydrocarbon from a reservoir in an underground formation to the surface via the intermediate casing, production tubing or production casing as per traditional completions methods employed in the hydrocarbon industry.
- the passive or non-stimulated wellbore may be open hole or the open hole section may be supported to prevent collapse thereof, such as, but not limited to, a slotted liner or pre-perforated casing or casing that is similarly perforated as the stimulated wellbore.
- the production casing or liner residing in the horizontal portion of the passive wellbore would not be cemented in place.
- the passive wellbore When the first wellbore undergoes stimulation, in this case, hydraulic fracturing stimulation, the passive wellbore is available to capture hydrocarbons not necessarily recoverable through the stimulated wellbore (as best seen in Figures 2-5).
- FIG. 3 there is provided a stimulated or fractured wellbore 23 with a non- stimulated wellbore 25 below said fractured wellbore 23.
- the passive or non-stimulated wellbore 25 will capture hydrocarbon, which may consist of gas, liquid or a combination of the two and other components, such as fracturing fluid from the fractures substantially below the fractured wellbore 23.
- FIG 4 there is provided a configuration of a non-stimulated wellbore 24 above a stimulated wellbore 23, and a non-stimulated wellbore 25 below the stimulated wellbore 23.
- the important aspect of the invention is the location of the non-stimulated wellbore proximate the stimulated wellbore is that the non-stimulated wellbore contacts the fractures 22 resulting from stimulating wellbore 23.
- FIG. 5 there is provided a configuration where 4 non-stimulated wellbores 24, 25, 26 and 27 are situated proximate a stimulated wellbore 23, wherein the wellbores 24, 25, 26 and 27 contact the fractures 22 resulting from the stimulation of the wellbore 23.
- a fractured wellbore requires the use of 250,000 litres of fuel, more or less, throughout a typical hydraulic fracturing operation.
- a wellbore of 2500 m-length requires 15 to 25 employees 72 hours minimum as well as equipment rental for preparation and fracturing.
- the following provides typical material and equipment used in fracturing (stimulating) a wellbore in the field, based on a hypothetical wellbore that is drilled, completed and hydraulic fracture stimulated ("frac") with a typical high rate waterfrac with 200 metric tonnes (“MT”) sand.
- Wellhead treating pressure 65 MPa, range 40 to 65 MPa; Fluid injection rate, 15 nrVmin, range 10 to 20 m 3 /min; Number of fracs per wellbore, 20 each;
- the passive wellbore is a wellbore that is drilled neighbouring other more conventional substantially horizontal wellbores that will be or have been stimulated for production through hydraulic fracture stimulation processes.
- the passive or capture well would normally be drilled at the same time (or after) as the other wells in a parallel or substantially parallel orientation to other wells such that hydraulic fractures created in the adjacent stimulated wellbores will contact, preferably intersect the passive wellbore, in such a manner that the passive wellbore will benefit from the hydraulic fracture stimulation of the other wells in the field or on pad.
- the well will be drilled in between wells in the same direction and in the same length, but apart from the other fractured wells, or active wells, spaced at a distance close enough to be certain hydraulic fractures will contact, preferably intersect the passive well.
- the passive well in one embodiment will be completed open hole, in another embodiment, the open hole section will be supported by a slotted liner, or pre-perforated casing, or casing that is similarly perforated as an active well, preferably the passive well will not be cemented in place as is the current practice in many horizontal fracture stimulated wells.
- the advantages of the passive wellbore of the present invention are discussed above, but the primary purpose is to increase production from a hydraulic fracture stimulated reservoir with lower impact on the environment, and ultimately less cost spent per e 3 m 3 of natural gas or m 3 of oil and/or natural gas liquids, or other product contained in rock.
- a passive well is not stimulated directly with a hydraulic fracture treatment which has environmental impact implications much in the news for several years now.
- the industry has been challenged with reducing the use of surface water, chemicals used to treat the water for hydraulic fracture purposes, and reducing the carbon impact of burning diesel and natural gas to drive high pressure pumping equipment. This is a green process in that the hydrocarbon produced from a passive capture well will be at a far lower cost in surface water and energy consumed, and reduced disposal requirements, e.g. 20 to 25% of the water returned after fracturing, that will be contaminated with fracturing chemicals and salts, metals and radio nuclides.
- the current invention when used with markers or tracers, in particular gamma emitting tracers, and wellbore imaging logs allows for the mapping and localization of fractures in the formation, which allow for optimization of wellbore location for overall increase in hydrocarbon production, as well as fracture treatment design optimization.
- Figure 6 depicts tracers migrating to a proximate well via fractures from a distant well.
- the following data provides the use of the current invention in identifying and mapping the location of hydrocarbon reservoirs in the formation.
- the wellbores in the map view of Figure 7 are each 400 metres apart.
- Wellbore b-18-I was stimulated via hydraulic fracturing with gamma emitting particles (Iridium isotope) pumped with the fracturing fluid.
- gamma emitting particles Iridium isotope
- Wellbore b-A18-I was stimulated via hydraulic fracturing with gamma emitting particles (Scandium isotope) pumped with the fracturing fluid.
- gamma emitting particles Scandium isotope
- Non-fractured wellbores b-B l 8-1 and b-Cl 8-1 were hit by fractures created in stimulated wellbores b-A18-I and b-18-I.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1509426.1A GB2523036A (en) | 2012-11-28 | 2013-11-27 | Method for increasing product recovery in fractures proximate fracture treated wellbores |
CN201380071601.5A CN105283633A (en) | 2012-11-28 | 2013-11-27 | Method for increasing product recovery in fractures proximate fracture treated wellbores |
MX2015006808A MX2015006808A (en) | 2012-11-28 | 2013-11-27 | Method for increasing product recovery in fractures proximate fracture treated wellbores. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261730741P | 2012-11-28 | 2012-11-28 | |
US61/730,741 | 2012-11-28 |
Publications (1)
Publication Number | Publication Date |
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WO2014082162A1 true WO2014082162A1 (en) | 2014-06-05 |
Family
ID=50772246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2013/000994 WO2014082162A1 (en) | 2012-11-28 | 2013-11-27 | Method for increasing product recovery in fractures proximate fracture treated wellbores |
Country Status (6)
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US (1) | US20140144623A1 (en) |
CN (1) | CN105283633A (en) |
CA (1) | CA2835534A1 (en) |
GB (1) | GB2523036A (en) |
MX (1) | MX2015006808A (en) |
WO (1) | WO2014082162A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2540683B (en) | 2014-05-17 | 2020-12-16 | Halliburton Energy Services Inc | Establishing communication downhole between wellbores |
US10815766B2 (en) | 2015-02-27 | 2020-10-27 | Schlumberger Technology Corporation | Vertical drilling and fracturing methodology |
CA2939679A1 (en) * | 2016-08-18 | 2018-02-18 | Velvet Energy Ltd. | Fracture length increasing method |
US11840909B2 (en) | 2016-09-12 | 2023-12-12 | Schlumberger Technology Corporation | Attaining access to compromised fractured production regions at an oilfield |
US11466549B2 (en) | 2017-01-04 | 2022-10-11 | Schlumberger Technology Corporation | Reservoir stimulation comprising hydraulic fracturing through extended tunnels |
WO2019014161A1 (en) | 2017-07-10 | 2019-01-17 | Schlumberger Technology Corporation | Controlled release of hose |
WO2019014160A1 (en) | 2017-07-10 | 2019-01-17 | Schlumberger Technology Corporation | Radial drilling link transmission and flex shaft protective cover |
CN109386264A (en) * | 2017-08-08 | 2019-02-26 | 魏志海 | Hot dry rock (EGS) twin-well artificial fracturing heat-exchange system of big vertical depth long horizontal sections in the same direction |
US20190249527A1 (en) * | 2018-02-09 | 2019-08-15 | Crestone Peak Resources | Simultaneous Fracturing Process |
WO2019168885A1 (en) * | 2018-02-27 | 2019-09-06 | Schlumberger Technology Corporation | Producing disconnected propped fractures |
US11193332B2 (en) | 2018-09-13 | 2021-12-07 | Schlumberger Technology Corporation | Slider compensated flexible shaft drilling system |
US20240026863A1 (en) * | 2022-07-25 | 2024-01-25 | Gti Energy | Vertical and helical well designs for enhanced geothermal systems |
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US5322126A (en) * | 1993-04-16 | 1994-06-21 | The Energex Company | System and method for monitoring fracture growth during hydraulic fracture treatment |
US5900544A (en) * | 1997-08-14 | 1999-05-04 | Atlantic Richfield Company | System and method for detecting upward growth of a hydraulic subterranean fracture in real time |
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US3878884A (en) * | 1973-04-02 | 1975-04-22 | Cecil B Raleigh | Formation fracturing method |
US3863709A (en) * | 1973-12-20 | 1975-02-04 | Mobil Oil Corp | Method of recovering geothermal energy |
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US4223729A (en) * | 1979-01-12 | 1980-09-23 | Foster John W | Method for producing a geothermal reservoir in a hot dry rock formation for the recovery of geothermal energy |
CA1130201A (en) * | 1979-07-10 | 1982-08-24 | Esso Resources Canada Limited | Method for continuously producing viscous hydrocarbons by gravity drainage while injecting heated fluids |
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CN201474608U (en) * | 2009-08-19 | 2010-05-19 | 兴和鹏能源技术(北京)有限公司 | Coal-bed-gas production-increase and gas water-inrush-prevention horizontal well |
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2013
- 2013-11-27 GB GB1509426.1A patent/GB2523036A/en not_active Withdrawn
- 2013-11-27 MX MX2015006808A patent/MX2015006808A/en unknown
- 2013-11-27 US US14/092,246 patent/US20140144623A1/en not_active Abandoned
- 2013-11-27 CA CA2835534A patent/CA2835534A1/en not_active Abandoned
- 2013-11-27 CN CN201380071601.5A patent/CN105283633A/en active Pending
- 2013-11-27 WO PCT/CA2013/000994 patent/WO2014082162A1/en active Application Filing
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US5322126A (en) * | 1993-04-16 | 1994-06-21 | The Energex Company | System and method for monitoring fracture growth during hydraulic fracture treatment |
US5900544A (en) * | 1997-08-14 | 1999-05-04 | Atlantic Richfield Company | System and method for detecting upward growth of a hydraulic subterranean fracture in real time |
WO2005045192A1 (en) * | 2003-11-03 | 2005-05-19 | Exxonmobil Upstream Research Company | Hydrocarbon recovery from impermeable oil shales |
CN103233713A (en) * | 2013-04-28 | 2013-08-07 | 吉林省众诚汽车服务连锁有限公司 | Method and process for extracting shale oil gas through oil shale in situ horizontal well fracture chemical destructive distillation |
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MX2015006808A (en) | 2015-08-06 |
CN105283633A (en) | 2016-01-27 |
GB2523036A (en) | 2015-08-12 |
CA2835534A1 (en) | 2014-05-28 |
US20140144623A1 (en) | 2014-05-29 |
GB201509426D0 (en) | 2015-07-15 |
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