AU2013395453B2 - System and method for delaying actuation using destructable impedance device - Google Patents
System and method for delaying actuation using destructable impedance device Download PDFInfo
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- AU2013395453B2 AU2013395453B2 AU2013395453A AU2013395453A AU2013395453B2 AU 2013395453 B2 AU2013395453 B2 AU 2013395453B2 AU 2013395453 A AU2013395453 A AU 2013395453A AU 2013395453 A AU2013395453 A AU 2013395453A AU 2013395453 B2 AU2013395453 B2 AU 2013395453B2
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- Australia
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- orifice
- sliding sleeve
- impedance device
- destructible
- base pipe
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003111 delayed effect Effects 0.000 claims abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 230000003628 erosive effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 12
- 206010017076 Fracture Diseases 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 208000006670 Multiple fractures Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/063—Valve or closure with destructible element, e.g. frangible disc
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
Abstract
APPLICATION FOR UNITED STATES LETTERS PATENT This disclosure relates to system and method for delaying actuation using a destructible impedance device. In one embodiment, a delayed actuating system can comprise a base pipe comprising a first portion of an orifice, a sliding sleeve around the base pipe, the sliding sleeve comprising a second portion of said orifice, further said sliding sleeve maneuverable into a first position, wherein said first portion of said orifice rests at least partially over said second portion of said orifice, a second position, a distance away from said second position. Further, the delayed actuating system can comprise a biasing device biasing the sliding sleeve toward the second position, and a destructible impedance device at least partially in side said orifice, the destructible impedance device preventing the sliding sleeve from leaving the first position. - 1 -
Description
System and Method for Delaying Actuation using a Destructable Impedance
Title :
Device
Inventors : Kristian Brekke
BACKGROUND
[0001] This disclosure relates to a fracturing system and method for acquiring oil and gas. Mere reference to background art herein should not be construed as an admission that such art constitutes common general knowledge in relation to the invention.
[0002] The demand for natural gas and oil has significantly grown over the years making low productivity oil and gas reservoirs economically feasible, where hydraulic fracturing plays an important part in these energy productions throughout the world. For several decades different technology has been used to enhance methods for producing resources from oil and gas wells. Long horizontal wellbores with multiple fractures is one commonly used process to enhance extraction of oil and gas from wells. This process starts after a well has been drilled and the completion has been installed in the wellbore. Multi-stage hydraulic fracturing is a method that involves pumping large amounts of pressurized water or gel, a proppant and/or other chemicals into the wellbore to create discrete multiple fractures into the reservoir along the wellbore.
[0003] One of the technologically advanced methods being used today is simultaneous proppant fracturing of up to thirty fractures in one pumping operation. This method involves usage of proppant to prevent fractures from closing. However, this practice can usually cause an uneven distribution of proppant between the fractures, which will reduce the efficiency of the fracture system. As a result, this practice can also cause fractures to propagate in areas that are out of the target reservoir. Thus, such method can be inefficient and unsafe.
[0004] Additionally, proppant fracturing usually involves multiple steps and requires several tools in order to be performed successfully. Such practice that will allow even distribution of proppant between fractures highly depends on setting, plugs between the fracture stages or using frac balls of increasing sizes. In these methods, plugs are either set after each fracture has been perforated and pumped, or frac balls are dropped from the surface to successively open fracturing valves placed along the well. For each stage, balls of different diameters are dropped into the well corresponding to a specific fracturing valve’s seat. At a point in the well, the ball will no longer pass through due to a decrease in well diameter. Once the ball is in place, fracturing can take place. After fracturing, the plugs must be drilled out and the balls must be recovered. With each fracturing stage while setting plugs, much time and energy is expended in tripping out of the hole between the stages and drilling out the plugs. Moreover, land-based rigs are usually rented per day basis, and so any delays can be quite expensive. Also, only about 12 different fracture stages is possible with the ball method before a restriction in flow area due to small ball diameter makes fracturing difficult due to large pressure losses.
[0005] As such it would be useful to have an improved system and method for fracturing oil and gas wells.
SUMMARY
[0006] This disclosure relates to a system and method for delaying actuation using a destructible impedance device. In one embodiment, a delayed actuating system can comprise a base pipe comprising a first portion of an orifice, a sliding sleeve around the base pipe, the sliding sleeve comprising a second portion of said orifice, further said sliding sleeve maneuverable into a first position, wherein said first portion of said orifice rests at least partially over said second portion of said orifice, a second position, a distance away from said second position. Further, the delayed actuating system can comprise a biasing device biasing the sliding sleeve toward the second position, and a destructible impedance device at least partially in side said orifice, the destructible impedance device preventing the sliding sleeve from leaving the first position.
[0007] Additionally, a method of delaying actuation comprising is disclosed. The method can comprise connecting a base pipe within a pipe string, the base pipe comprising a first portion of an orifice, applying a force on a sliding sleeve using a biasing device, the force configured to actuate the sliding sleeve from a first position to a second position, the sliding sleeve comprising a second portion of an orifice, the sliding sleeve positionable into said first position, wherein the second position of the orifice rests at least partially over the first portion of the orifice, said second portion, a distance away from the second position, and preventing the sliding sleeve from leaving the first position using a destructible impedance device.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1A illustrates a side view of a base pipe.
[0009] Figure IB illustrates a front view of a base pipe.
[0010] Figure 1C illustrates a cross sectional view of a base pipe.
[0011] Figure 2A illustrates a sliding sleeve.
[0012] Figure 2B illustrates a front view of a sliding sleeve.
[0013] Figure 2C illustrates a cross sectional view of a sliding sleeve.
[0014] Figure 2D illustrates a cross sectional view of a sliding sleeve that further comprises a fixed sleeve, and an actuator.
[0015] Figure 3A illustrates a peripheral view of outer ring.
[0016] Figure 3B illustrates a front view of an outer ring.
[0017] Figure 4A illustrates a valve casing.
[0018] Figure 4B illustrates a fracturing port of a valve casing.
[0019] Figure 4C illustrates a production slot of a valve casing.
[0020] Figure 5 illustrates a fracturing valve at a fracturing state.
[0021] Figure 6 illustrates one example of an impedance device counteracting actuator, in an embodiment where impedance device is a tension device such as a string.
[0022] Figure 7 illustrates one example of an impedance device counteracting actuator, in an embodiment where impedance device is a compression device such as a bar.
[0023] Figure 8 illustrates fracturing valve at production state.
DETAILED DESCRIPTION
[0024] Described herein is an improved fracturing system and method for acquiring oil and gas. The following description is presented to enable any person skilled in the art to make and use the invention as claimed and is provided in the context of the particular examples discussed below, variations of which will be readily apparent to those skilled in the art. In the interest of clarity, not all features of an actual implementation are described in this specification. It will be appreciated that in the development of any such actual implementation (as in any development project), design decisions must be made to achieve the designers’ specific goals (e.g., compliance with system- and business-related constraints), and that these goals will vary from one implementation to another. It will also be appreciated that such development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the field of the appropriate art having the benefit of this disclosure. Accordingly, the claims appended hereto are not intended to be limited by the disclosed embodiments, but are to be accorded their widest scope consistent with the principles and features disclosed herein.
[0025] Figure 1A illustrates a side view of a base pipe 100. Base pipe 100 can be connected as a portion of a pipe string. In one embodiment, base pipe 100 can be a cylindrical material that can comprise different wall openings and/or slots. Base pipe 100 wall openings can comprise insert port 101, fracturing port 102, and/or production port 103. Insert port 101 can be made of one or more small openings in a base pipe 100. Fracturing port 102 can also be made of one or more openings. Further, production port 103 can be a plurality of openings in base pipe 100.
[0026] Figure IB illustrates a front view of base pipe 100 further comprising a chamber 104. Chamber 104 can be a cylindrical opening or a space created inside base pipe 100. As such chamber 104 can be an opening that can allow material, such as frac fluid or hydrocarbons to pass through. Figure 1C illustrates a cross sectional view of a base pipe 100. Each wall opening discussed above can be circularly placed around base pipe 100.
[0027] Figure 2A illustrates a sliding sleeve 200 connected to a fixed sleeve 205 by an actuator 206, and in line with an outer ring 207. In one embodiment, sliding sleeve 200 can be a cylindrical tube that can comprise fracturing port 102. Thus fracturing port 102 can have a first portion within base pipe 100 and a second portion within sliding sleeve 200. Figure 2B illustrates a front view of a sliding sleeve 200 further comprising an outer chamber 201. In one embodiment outer chamber 201 can be an opening larger than chamber 104. As such outer chamber 201 can be large enough to house base pipe 100.
[0028] Figure 2C illustrates a cross sectional view of a sliding sleeve 200. Sliding sleeve 200 can comprise a first sleeve 202 and a second sleeve 203. First sleeve 202 and second sleeve 203 can be attached through one or more curved sheet 204, the spaces between each curved sheet 204 defining a portion of fracturing port 102. Inner surface of first sleeve 202 can have a bottleneck void, or any other void within the inner surface. The void can extend radially around the complete inner diameter of base pipe 100, partially around the inner diameter, or locally. If completely around the inner diameter, the ends of inner surface can have a smaller diameter than the void.
[0029] Figure 2D illustrates a cross sectional view of a sliding sleeve 200 further comprising fixed sleeve 205, and actuator 206. In one embodiment, actuator 206 can be a biasing device. In such embodiment, biasing device can be a spring. In another embodiment, actuator 206 can be bidirectional and/or motorized. In one embodiment second sleeve 203 of sliding sleeve 200 can be attached to fixed sleeve 205 using actuator 206. In one embodiment, sliding sleeve 200 can be pulled towards fixed sleeve 205, thus compressing or otherwise load actuator 206 with potential energy. Later actuator 206 can be released or otherwise instigated, pushing sliding sleeve 200 away from fixed sleeve 205.
[0030] Figure 3A illustrates a peripheral view of outer ring 207. In one embodiment outer ring 207 can be a solid cylindrical tube forming a ring chamber 301, as seen in figure 3B. In one embodiment outer ring 207 can be an enclosed solid material forming a cylindrical shape. Ring chamber 301 can be the space formed inside outer ring 207. Further, ring chamber 301 can be large enough to slide over base pipe 100.
[0031] Figure 4A illustrates a valve casing 400. In one embodiment, valve casing 400 can be a cylindrical material, which can comprise fracturing port 102, and production port 103. In one embodiment, fracturing port 102 can be a plurality of openings circularly placed around valve casing 400, as seen in Figure 4B. Further, production port 103 can be one or more openings placed around valve casing 400, as seen in Figure 4C.
[0032] Figure 5 illustrates a fracturing valve 500 in fracturing mode. In one embodiment fracturing valve 500 can comprise base pipe 100, sliding sleeve 200, outer ring 207, and/or valve casing 400. In such embodiment, base pipe 100 can be an innermost layer of fracturing valve 500. A middle layer around base pipe 100 can comprise outer ring 207 fixed to base pipe 100 and sliding sleeve 200, wherein fixed sleeve 205 is fixed to base pipe 100. Fracturing valve 500 can comprise valve casing 400 as an outer later. Valve casing 400 can, in one embodiment, connect to outer ring 207 and fixed sleeve 205. In a fracturing position, fracturing port 102 can be aligned and open, due to the relative position of base pipe 100 and sliding sleeve 200.
[0033] Fracturing valve 500 can further comprise a frac ball 501, and one or more stop balls 502. In one embodiment, stop ball 502 can rest in insert port 101. At a fracturing state, actuator 206 can be in a closed state, pushing stop ball 502 partially into chamber 104. In such state, frac ball 501 can be released from the surface and down the well. Frac ball 501 will be halted at insert port 101 by any protruding stop balls 502 while fracturing valve 500 is in a fracturing mode. As such, the protruding portion of stop ball 502 can halt frac ball 501. In this state, fracturing port 102 will be open, allowing flow of proppant from chamber 104 through fracturing port 102 and into a formation, thereby allowing fracturing to take place.
[0034] Figure 6 illustrates one example of an impedance device counteracting actuator 206, in an embodiment where impedance device is a tension device such as a string 601. String 601 can connect sliding sleeve 200 with base pipe 100. While intact, string 601 can prevent actuator 206 from releasing. As biasing device attempts to push or pull sliding sleeve 200 in one direction, it also applies a tension on string 601. String 601 prevents actuator 206 from actuating. Once the string 601 is broken, broken, actuator 206 can push sliding sleeve 200.
[0035] Figure 7 illustrates a second example of an impedance device counteracting actuator 206, in an embodiment wherein impedance device is compression device such as a bar 701. While intact, bar 701 can prevent actuator 206 from releasing. As actuator 206 attempts to push or pull sliding sleeve 200 in one direction, it applies a tension force bar 701. Bar 701 can be held in place in a number of ways. In one embodiment, bar 701 can be connected to base pipe 100 and/or sliding sleeve 200 in a fixed manner. In another embodiment, the sheering force of sliding sleeve 200 and base pipe 100 can hold bar 700 into place. In another embodiment, bar 701 can fit into brackets attached to sliding sleeve 200 and/or base pipe 100.
[0036] In one embodiment, impedance device can be destructible. A destructible impedance device is one that is designed to fail under the right conditions. One method of breaking the impedance devices is by pushing a corrosive material reactive with impedance device through fracturing port 102, deteriorating the impedance until actuator 206 can overcome its impedance. This method can work in embodiments wherein impedance device comprises a corrodible material (such as animal hair in the case of string 601). Corrosives material can be an chemical such as hydrochloric acid. If impedance device comprises erodible material, then other methods can be used to break it. If impedance device is made of thin steel or some other material, it can predictably fail after enough fluid passes around it, eroding it over time. Another method of breaking impedance device is by pushing a fluid comprising particulates such as sand, glass or rocks through fracturing port 102, in an embodiment wherein impedance device comprises an erodible material such as a soft rock, or sand that is mixed, formed and hardened with a weak epoxy. Another method of breaking the impedance devices is by pushing a large object such as a ball down the hole and through fracturing port 102. The systems and methods described in this disclosure regarding delaying actuation using an impedance device can work for orifices other than fracturing port 102, as well.
[0037] Figure 8 illustrates fracturing valve 500 in production mode. As sliding sleeve 200 is pushed towards outer ring 207 by actuator 206, fracturing port 102 can close and production port 103 can open. Concurrently, firac ball 501 can push stop balls 502 back into the inner end of first sleeve 202 which can further allow frac ball 501 to slide through base pipe 100, to another fracturing valve 500. Once production port 103 is opened, extraction of oil and gas can start. In one embodiment, production ports can have a check valve to allow fracturing to continue downstream without pushing frac fluid through the production port.
[0038] Various changes in the details of the illustrated operational methods are possible without departing from the scope of the following claims. Some embodiments may combine the activities described herein as being separate steps. Similarly, one or more of the described steps may be omitted, depending upon the specific operational environment the method is being implemented in. It is to be understood that the above description is intended to be illustrative, and not restrictive. For example, the above-described embodiments may be used in combination with each other. Many other embodiments will be apparent to those of skill in the art upon reviewing the above description. The scope of the invention should, therefore, be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. In the appended claims, the terms “including” and “in which” are used as the plain-Engiish equivalents of the respective terms “comprising” and “wherein.” Throughout this specification, including the claims, where the context permits, the term “comprise” and variants thereof such as “comprises” or “comprising” are to be interpreted as including the stated integer or integers without necessarily excluding any other integers.
Claims (10)
1. A delayed actuating system comprising a base pipe comprising a first portion of an orifice; and a sliding sleeve around said base pipe, said sliding sleeve comprising a second portion of said orifice, further said sliding sleeve positionable into a first position, wherein said first portion of said orifice rests at least partially over said second portion of said orifice; and a second position, a distance away from said first position. a biasing device biasing said sliding sleeve toward said second position; and a destructible impedance device at least partially inside said first portion of said orifice, and at least partially inside said second portion of said orifice, said destructible impedence device preventing said sliding sleeve from leaving said first position further wherein said destructible impedance device is a string, said string destructible by applying a tension force on said string .
2. The delayed actuating system of claim 1 wherein said impedance device is dissolvable by a chemical.
3. The delayed actuating system of claim 2 wherein said chemical is hydrochloric acid.
4. The delayed actuating system of claim 1 wherein said impedance device is erodable by particulates in a fluid stream passing through said orifice.
5. A method of delaying actuation comprising connecting a base pipe within a pipe string, said base pipe comprising a first portion of an orifice; applying a force on a sliding sleeve using a biasing device, said force configured to actuate said sliding sleeve from a first position to a second position, said sliding sleeve comprising a second portion of said orifice, said sliding sleeve positionable into said first position, wherein said second portion of said orifice rests at least partially over said first portion of said orifice; and said second position, a distance away from said first position; preventing said sliding sleeve from leaving said first position using a destructible impedance device, said impedance device at least partially within said first portion of said orifice, and at least partially within said second portion of said orifice, further wherein said destructible impedance device is a string, said string destructible in part by applying a tension force on said string.
6. The method of claim 5, wherein said impedance device is destructible by a chemical.
7. The method of claim 6, further comprising the step pouring hydrochloric acid through said orifice to break said impedance device.
8. The method of claim 5 wherein said impedance device is destructible by erosion.
9. The method of claim 8, further comprising the step sending a fluid comprising particulates through said orifice to erode said impedance device.
10. The method of claim 5 further comprising pushing an object though said orifice to break said impedance device.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2013/069577 WO2015039697A1 (en) | 2013-09-20 | 2013-09-20 | System and method for delaying actuation using destructable impedance device |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2013395453A1 AU2013395453A1 (en) | 2015-04-09 |
AU2013395453B2 true AU2013395453B2 (en) | 2017-12-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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AU2013395453A Active AU2013395453B2 (en) | 2013-09-20 | 2013-09-20 | System and method for delaying actuation using destructable impedance device |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2877681A1 (en) |
CN (1) | CN104903539B (en) |
AU (1) | AU2013395453B2 (en) |
BR (1) | BR112015011564B1 (en) |
CA (1) | CA2886430C (en) |
EA (1) | EA029648B1 (en) |
MX (1) | MX2015000913A (en) |
WO (1) | WO2015039697A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3043742C (en) | 2016-12-23 | 2022-05-10 | Halliburton Energy Services, Inc. | Well tool having a removable collar for allowing production fluid flow |
CA2994290C (en) | 2017-11-06 | 2024-01-23 | Entech Solution As | Method and stimulation sleeve for well completion in a subterranean wellbore |
CN109296349B (en) * | 2018-11-05 | 2023-09-15 | 中国石油集团川庆钻探工程有限公司 | Piston type delay opening toe end sliding sleeve |
Citations (3)
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US20040040703A1 (en) * | 2002-09-03 | 2004-03-04 | Jeffrey Longmore | Downhole expandable bore liner-filter |
US20080066923A1 (en) * | 2006-09-18 | 2008-03-20 | Baker Hughes Incorporated | Dissolvable downhole trigger device |
US20120132426A1 (en) * | 2010-08-09 | 2012-05-31 | Baker Hughes Incorporated | Formation treatment system and method |
Family Cites Families (5)
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US4213508A (en) * | 1977-10-03 | 1980-07-22 | Smith International, Inc. | Downhole fire control |
CN2692349Y (en) * | 2004-03-05 | 2005-04-13 | 魏军 | Large pore diameter testing instrument |
US7552777B2 (en) * | 2005-12-28 | 2009-06-30 | Baker Hughes Incorporated | Self-energized downhole tool |
CN201334894Y (en) * | 2009-01-21 | 2009-10-28 | 沈阳大华测控技术有限公司 | Lifting bore testing valve |
US8579036B2 (en) * | 2011-03-14 | 2013-11-12 | Baker Hughes Incorporated | Valving system, method of adjusting a valve and method of fracing a wellbore |
-
2013
- 2013-09-20 BR BR112015011564-0A patent/BR112015011564B1/en active IP Right Grant
- 2013-09-20 WO PCT/EP2013/069577 patent/WO2015039697A1/en active Application Filing
- 2013-09-20 CN CN201380069017.6A patent/CN104903539B/en active Active
- 2013-09-20 AU AU2013395453A patent/AU2013395453B2/en active Active
- 2013-09-20 MX MX2015000913A patent/MX2015000913A/en unknown
- 2013-09-20 EA EA201590098A patent/EA029648B1/en unknown
- 2013-09-20 EP EP13766029.6A patent/EP2877681A1/en not_active Withdrawn
- 2013-09-20 CA CA2886430A patent/CA2886430C/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040040703A1 (en) * | 2002-09-03 | 2004-03-04 | Jeffrey Longmore | Downhole expandable bore liner-filter |
US20080066923A1 (en) * | 2006-09-18 | 2008-03-20 | Baker Hughes Incorporated | Dissolvable downhole trigger device |
US20120132426A1 (en) * | 2010-08-09 | 2012-05-31 | Baker Hughes Incorporated | Formation treatment system and method |
Also Published As
Publication number | Publication date |
---|---|
CA2886430A1 (en) | 2015-03-26 |
AU2013395453A1 (en) | 2015-04-09 |
BR112015011564A2 (en) | 2017-07-11 |
BR112015011564B1 (en) | 2021-07-27 |
CA2886430C (en) | 2017-02-14 |
CN104903539B (en) | 2017-08-25 |
MX2015000913A (en) | 2016-08-01 |
EP2877681A1 (en) | 2015-06-03 |
WO2015039697A1 (en) | 2015-03-26 |
EA029648B1 (en) | 2018-04-30 |
CN104903539A (en) | 2015-09-09 |
EA201590098A1 (en) | 2015-09-30 |
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