CN111364933A - Sand control supporting device - Google Patents
Sand control supporting device Download PDFInfo
- Publication number
- CN111364933A CN111364933A CN202010028790.XA CN202010028790A CN111364933A CN 111364933 A CN111364933 A CN 111364933A CN 202010028790 A CN202010028790 A CN 202010028790A CN 111364933 A CN111364933 A CN 111364933A
- Authority
- CN
- China
- Prior art keywords
- ring
- outer cylinder
- mandrel
- rupture disc
- sand control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims abstract description 27
- 238000010008 shearing Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 239000007790 solid phase Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 2
- 230000002706 hydrostatic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a sand control supporting device which comprises a mandrel, a differential pressure outer cylinder, a rupture disc outer cylinder and a dustproof ring which are integrally formed, wherein after the differential pressure outer cylinder is subjected to external force, a shearing pin between the differential pressure outer cylinder and the rupture disc outer cylinder is sheared, the differential pressure outer cylinder moves upwards along the mandrel, and the dustproof ring is extruded and deformed to be in contact with the inner wall of a sleeve and partition a precipitation channel, so that solid-phase substances can be prevented from being deposited on the upper part of a packer. And the dustproof ring is uniformly provided with pressure transmitting holes, so that the pressure of the pressure difference outer barrel on the dustproof ring is continuously transmitted through the pressure transmitting holes after the dustproof ring is deformed.
Description
Technical Field
The invention relates to the technical field of oil and gas wells, in particular to a sand prevention supporting device.
Background
In the Tarim block, the retrievable packer is widely applied to the petroleum engineering fields of oil testing and well completion, downhole operation, well workover operation and the like due to the convenience of performing wellbore operation at a later stage. However, mud, annular protection fluid and the like are easy to deposit in a solid phase under high temperature and high pressure conditions, and a shaft casing is corroded and peeled off under the condition of a shaft medium, so that excessive solid-phase substances are precipitated on the upper part of the packer along with the prolonging of time, and the problems of difficult final unpacking of the packer, tool blocking and the like are caused. And the problem of the buried clamp of the operation pipe column is easily caused by the sand production of the upper water layer in the gravity flow water injection operation.
Disclosure of Invention
The invention aims to provide a sand prevention supporting device which can prevent solid-phase substances from depositing on the upper part of a packer and effectively solve the problems of difficulty in unpacking the packer, tool burying, and the like.
In order to realize the naming purpose of the invention, the technical scheme adopted by the invention specifically comprises the following contents:
the utility model provides a sand control supporting device, includes integrated into one piece's dabber, pressure differential urceolus, rupture disc urceolus and dust ring, the rupture disc urceolus with pressure differential urceolus from the bottom up cup joints in proper order the dabber, dust ring cup joints dabber and with the upper end of pressure differential urceolus is connected, the rupture disc urceolus with dabber threaded connection, the pressure differential urceolus is connected through shearing the round pin nail the rupture disc urceolus.
Preferably, the dustproof ring is uniformly provided with a plurality of pressure transmission holes.
Preferably, the sand control supporting device further comprises a positioning ring sleeved on the mandrel, and the positioning ring is connected with the dustproof ring.
Preferably, the positioning ring is connected with the mandrel through a first fastening pin, and the lower end of the outer barrel of the rupture disc is connected with the mandrel through a second fastening pin.
Preferably, two first sealed air chambers are arranged between the upper end of the differential pressure outer cylinder and the mandrel, each first sealed air chamber comprises a first O-ring and a first mounting groove for accommodating the first O-ring, and the first mounting groove is arranged on the differential pressure outer cylinder or the mandrel.
Preferably, two second sealed air chambers are arranged between the middle part of the differential pressure outer cylinder and the mandrel, each second sealed air chamber comprises a second O-shaped sealing ring and a second mounting groove for accommodating the second O-shaped sealing ring, and the second mounting groove is arranged on the differential pressure outer cylinder or the mandrel.
Preferably, two third sealing air chambers are provided between the lower end of the differential pressure outer cylinder and the rupture disc outer cylinder, each third sealing air chamber includes a third O-ring and a third mounting groove for accommodating the third O-ring, and the third mounting groove is provided on the differential pressure outer cylinder or the rupture disc outer cylinder.
Preferably, two fourth sealing air chambers are provided between the lower end of the outer rupture disc cylinder and the mandrel, each fourth sealing air chamber includes a fourth O-ring and a fourth mounting groove for accommodating the fourth O-ring, and the fourth mounting groove is provided on the outer rupture disc cylinder or the mandrel.
Preferably, the sand control supporting device further comprises a rupture disc, and the rupture disc is connected with the rupture disc outer cylinder through threads.
Compared with the prior art, the invention has the beneficial effects that:
1. the sand control supporting device comprises a mandrel, a differential pressure outer cylinder, a rupture disc outer cylinder and a dustproof ring which are integrally formed, when the differential pressure outer cylinder is subjected to external force, a shearing pin between the differential pressure outer cylinder and the rupture disc outer cylinder is sheared, the differential pressure outer cylinder moves upwards along the mandrel, the dustproof ring is extruded and deformed to be in contact with the inner wall of a sleeve and partition a precipitation channel, and therefore solid-phase substances can be prevented from being deposited on the upper portion of a packer.
2. And pressure transmitting holes are uniformly formed in the dustproof ring, so that the pressure of the pressure difference outer barrel on the dustproof ring is continuously transmitted through the pressure transmitting holes after the dustproof ring is deformed.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a sand control supporting device according to the present invention;
wherein the reference numerals in fig. 1 are:
1. a mandrel; 2. a positioning ring; 3. a differential pressure outer cylinder; 4. a first support ring; 5. a dust ring; 6. a rupture disc outer barrel; 7. a first O-ring seal; 8. a second O-ring seal; 9. a second support ring; 10. a first locking pin; 11. shearing the pin; 12. a second locking pin; 13. a rupture disc; 14. a third O-shaped sealing ring; 15. a third support ring; 16. a fourth O-shaped sealing ring; 17. and a fourth support ring.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:
as shown in fig. 1, the sand control supporting device disclosed by the invention comprises a mandrel 1, a differential pressure outer cylinder 3, a rupture disc outer cylinder 6 and a dustproof ring 5 which are integrally formed, wherein the rupture disc outer cylinder 6 and the differential pressure outer cylinder 3 are sequentially sleeved on the mandrel 1 from bottom to top, the dustproof ring 5 is sleeved on the mandrel 1 and connected with the upper end of the differential pressure outer cylinder 3, the rupture disc outer cylinder 6 is in threaded connection with the mandrel 1, and the differential pressure outer cylinder 3 is connected with the rupture disc outer cylinder 6 through a shearing pin 11.
When setting is carried out, absolute pressure generated by hydrostatic column pressure and extra pressure applied by a shaft directly acts on the lower piston surface of the differential pressure outer cylinder 3, and generated piston force shears the shear pin 11, then the differential pressure outer cylinder 3 is pushed to move upwards along the mandrel 1 and push the dustproof ring 5, so that the dustproof ring 5 is extruded and deformed under the pushing action of the differential pressure outer cylinder 3, and the dustproof ring 5 is contacted with the inner wall of the sleeve and cuts off a precipitation channel after deformation, so that solid-phase substances can be prevented from being deposited on the upper part of the packer. When the packer needs the deblocking, can directly lift the deblocking back after the positive circulation of circulating valve on the tubular column washes away the deposit material on preventing heavy ring upper portion, sand control supporting device can play out along with the tubular column together.
A plurality of pressure transmission holes are uniformly formed in the dustproof ring 5, so that the pressure of the differential pressure outer cylinder 3 on the dustproof ring 5 is continuously transmitted through the pressure transmission holes after the dustproof ring 5 is deformed; moreover, the pressure transmission holes on the dust-proof ring 5 are uniformly arranged, so that the same acting force can be ensured to be applied to different positions of the dust-proof ring 5.
The sand control supporting device further comprises a positioning ring 2 sleeved on the mandrel 1, the positioning ring 2 is connected with a dustproof ring 5, and the dustproof ring 5 can be guaranteed to be compressed and tightly attached at normal pressure after the sand control supporting device is started to the inner wall of the pressure difference outer barrel 3 so as to isolate a ring control space.
In order to prevent the positioning ring 2 and the outer rupture disk barrel 6 from being displaced due to external force, the positioning ring 2 is connected with the mandrel 1 through a first fastening pin 10, and the lower end of the outer rupture disk barrel 6 is connected with the mandrel 1 through a second fastening pin 12.
Two first sealed air cavities are arranged between the upper end of the differential pressure outer cylinder 3 and the mandrel 1, and the pressure inside the two first sealed air cavities is zero, so that the differential pressure outer cylinder 3 can be pushed to run upwards under the action of absolute pressure generated by hydrostatic column pressure and additional pressure applied by a shaft. Moreover, each of the first sealing air chambers includes a first O-ring 7 and a first mounting groove for receiving the first O-ring 7, and the first mounting groove is disposed on the differential pressure outer cylinder 3 or the mandrel 1, so that, after the first O-ring 7 is mounted in the first mounting groove, the first O-ring 7 will be compressed, so that there is no gap between the two sides of the first O-ring 7, thereby isolating external pressure from entering between the differential pressure outer cylinder 3 and the mandrel 1.
Moreover, in order to ensure that the first O-ring 7 still has high sealing performance when an external force is applied, the first sealed air chamber further includes a first support ring 4, and the first O-ring 7 is sleeved on the first support ring 4, on one hand, the stability of the first O-ring 7 can be improved by the first support ring 4; on the other hand, the first O-ring 7 has a high sealing performance under the combined action of the first support ring 4 and the mandrel 1.
Preferably, two second sealed air chambers are arranged between the middle part of the differential pressure outer cylinder 3 and the mandrel 1, and the pressure inside the two second sealed air chambers is zero, so that the differential pressure outer cylinder 3 can be pushed upwards under the action of absolute pressure generated by hydrostatic column pressure and additional pressure applied by a shaft. Moreover, each of the second sealing air chambers includes a second O-ring 8 and a second mounting groove for receiving the second O-ring 8, and the second mounting groove is disposed on the differential pressure outer cylinder 3 or the mandrel 1, so that, after the second O-ring 8 is mounted in the second mounting groove, the second O-ring 8 will be compressed, so that there is no gap between the two sides of the second O-ring 8, thereby isolating external pressure from entering between the differential pressure outer cylinder 3 and the mandrel 1.
Moreover, in order to ensure that the second O-ring 8 still has high sealing performance when subjected to an external force, the second sealed air chamber further includes a second support ring 9, and the second O-ring 8 is sleeved on the second support ring 9, on one hand, the second support ring 9 can improve the stability of the second O-ring 8; on the other hand, the second O-ring 8 has a higher sealing performance under the combined action of the second support ring 9 and the mandrel 1.
Two third sealed air cavities are arranged between the lower end of the differential pressure outer cylinder 3 and the outer cylinder 6 of the rupture disc, and the pressure inside the two third sealed air cavities is zero, so that the differential pressure outer cylinder 3 can be pushed to move upwards under the action of absolute pressure generated by hydrostatic column pressure and additional pressure applied by a shaft. Furthermore, each of the third sealing air chambers includes a third O-ring 14 and a third mounting groove for receiving the third O-ring 14, and the third mounting groove is provided on the differential pressure outer cylinder 3 or the rupture disc outer cylinder 6, so that, when the third O-ring 14 is mounted in the third mounting groove, the third O-ring 14 will be compressed, so that there is no gap between both sides of the third O-ring 14, thereby isolating the external pressure from entering between the differential pressure outer cylinder 3 and the rupture disc outer cylinder 6.
In addition, in order to ensure that the third O-ring 14 still has high sealing performance when subjected to an external force, the third sealed air chamber further includes a third support ring 15, and the third O-ring 14 is sleeved on the third support ring 15, on one hand, the third support ring 15 can improve the stability of the third O-ring 14; on the other hand, the third O-ring 14 has a high sealing performance under the combined action of the third support ring 15 and the differential pressure outer cylinder 3.
Two fourth sealed air cavities are arranged between the lower end of the outer rupture disc cylinder 6 and the mandrel 1, and the pressure inside the two fourth sealed air cavities is zero, so that the outer rupture disc cylinder 6 can be pushed to run upwards under the action of absolute pressure generated by hydrostatic column pressure and additional pressure applied by a shaft. Furthermore, each of the fourth sealing air chambers includes a fourth O-ring 16 and a fourth mounting groove for receiving the fourth O-ring 16, and the fourth mounting groove is disposed on the rupture disc outer cylinder 6 or the mandrel 1, so that, when the fourth O-ring 16 is mounted in the fourth mounting groove, the fourth O-ring 16 will be compressed, so that there is no gap between the fourth O-ring 16 and the mandrel 1, thereby isolating external pressure from entering between the rupture disc outer cylinder 6 and the mandrel 1.
Moreover, in order to ensure that the fourth O-ring 16 still has high sealing performance when subjected to an external force, the fourth sealing air chamber further includes a fourth support ring 17, and the fourth O-ring 16 is sleeved on the fourth support ring 17, on one hand, the fourth support ring 17 can improve the stability of the fourth O-ring 16; on the other hand, the fourth O-ring 16 has a higher sealing performance under the combined action of the fourth support ring 17 and the mandrel 1.
Preferably, the sand control supporting device further comprises a rupture disc 13, and the rupture disc 13 is connected with the rupture disc outer cylinder 6 through threads, so that the device can be effectively prevented from being started in advance in the running process of a pipe string due to the fact that absolute pressure generated by hydrostatic column pressure and extra pressure applied by a shaft directly acts on the lower differential pressure area of the differential pressure outer cylinder 3.
It should be noted that the terms "first", "second", "third", and "fourth", etc. in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a sand control supporting device which characterized in that: dabber, pressure differential urceolus, rupture disc urceolus and dust ring including integrated into one piece, the rupture disc urceolus with pressure differential urceolus from the bottom up cup joints in proper order the dabber, dust ring cup joints dabber and with the upper end of pressure differential urceolus is connected, the rupture disc urceolus with dabber threaded connection, the pressure differential urceolus is connected through shearing pin the rupture disc urceolus.
2. The sand control support device of claim 1 wherein: and a plurality of pressure transmission holes are uniformly formed in the dustproof ring.
3. The sand control support device of claim 1 wherein: the sand control supporting device further comprises a positioning ring sleeved on the mandrel, and the positioning ring is connected with the dustproof ring.
4. The sand control support device of claim 3 wherein: the holding ring is connected through first tight pin the dabber, the lower extreme of rupture disc urceolus is connected through the tight pin of second the dabber.
5. The sand control support device of claim 1 wherein: two first sealed air cavities are arranged between the upper end of the differential pressure outer barrel and the mandrel, each first sealed air cavity comprises a first O-shaped sealing ring and a first mounting groove used for accommodating the first O-shaped sealing ring, and the first mounting groove is arranged on the differential pressure outer barrel or the mandrel.
6. The sand control support device of claim 1 wherein: two second sealed air cavities are arranged between the middle part of the differential pressure outer barrel and the mandrel, each second sealed air cavity comprises a second O-shaped sealing ring and a second mounting groove used for accommodating the second O-shaped sealing ring, and the second mounting groove is arranged on the differential pressure outer barrel or the mandrel.
7. The sand control support device of claim 1 wherein: two third sealed air cavities are arranged between the lower end of the differential pressure outer cylinder and the rupture disc outer cylinder, each third sealed air cavity comprises a third O-shaped sealing ring and a third mounting groove used for accommodating the third O-shaped sealing ring, and the third mounting groove is arranged on the differential pressure outer cylinder or the rupture disc outer cylinder.
8. The sand control support device of claim 1 wherein: two fourth sealed air cavities are arranged between the lower end of the outer breaking disc cylinder and the mandrel, each fourth sealed air cavity comprises a fourth O-shaped sealing ring and a fourth mounting groove used for accommodating the fourth O-shaped sealing ring, and the fourth mounting groove is arranged on the outer breaking disc cylinder or the mandrel.
9. The sand control support device of any one of claims 1-8 wherein: the sand control supporting device further comprises a rupture disc, and the rupture disc is connected with the rupture disc outer cylinder through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028790.XA CN111364933B (en) | 2020-01-11 | 2020-01-11 | Sand prevention supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028790.XA CN111364933B (en) | 2020-01-11 | 2020-01-11 | Sand prevention supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111364933A true CN111364933A (en) | 2020-07-03 |
| CN111364933B CN111364933B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010028790.XA Active CN111364933B (en) | 2020-01-11 | 2020-01-11 | Sand prevention supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111364933B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109925A (en) * | 1991-01-17 | 1992-05-05 | Halliburton Company | Multiple stage inflation packer with secondary opening rupture disc |
| US5193621A (en) * | 1991-04-30 | 1993-03-16 | Halliburton Company | Bypass valve |
| US5341883A (en) * | 1993-01-14 | 1994-08-30 | Halliburton Company | Pressure test and bypass valve with rupture disc |
| US5400855A (en) * | 1993-01-27 | 1995-03-28 | Halliburton Company | Casing inflation packer |
| US5582253A (en) * | 1995-06-02 | 1996-12-10 | Baker Hughes Incorporated | Debris barrier with a downhole tool setting assembly |
| CA2367491A1 (en) * | 1999-04-21 | 2000-10-26 | Schlumberger Canada Limited | Wellbore packer with rupture disc |
| CN200982173Y (en) * | 2006-12-14 | 2007-11-28 | 大港油田集团有限责任公司 | Hydraulic type sand-blocking control leather bowl |
| US20080115929A1 (en) * | 2006-11-21 | 2008-05-22 | Kossa Edward J | Spring energized debris barrier for mechanically set retrievable packer |
| US20090321081A1 (en) * | 2008-06-30 | 2009-12-31 | Baker Hughes Incorporated | Controlled Pressure Equalization of Atmospheric Chambers |
| US20130133879A1 (en) * | 2011-11-30 | 2013-05-30 | Baker Hughes Incorporated | Debris Barrier for Packer Setting Sleeve |
| CN203175480U (en) * | 2013-01-10 | 2013-09-04 | 中国石油天然气股份有限公司 | Internal pressure type RDS circulating valve |
| CN204457614U (en) * | 2015-02-04 | 2015-07-08 | 中曼石油天然气集团股份有限公司北京国际钻井工程分公司 | A kind of two disc type circulating valve that breaks |
| CN205189848U (en) * | 2015-06-10 | 2016-04-27 | 北京日升恒诚能源技术开发有限公司 | Discodactylous that breaks end well cementation fracturing sliding sleeve |
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110566146A (en) * | 2019-09-30 | 2019-12-13 | 中国石油集团川庆钻探工程有限公司 | Internal pressurization type power mandrel and underground power device for oil testing well completion |
| CN212130435U (en) * | 2020-01-11 | 2020-12-11 | 中石化石油工程技术服务有限公司 | Sand control supporting device |
-
2020
- 2020-01-11 CN CN202010028790.XA patent/CN111364933B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109925A (en) * | 1991-01-17 | 1992-05-05 | Halliburton Company | Multiple stage inflation packer with secondary opening rupture disc |
| US5193621A (en) * | 1991-04-30 | 1993-03-16 | Halliburton Company | Bypass valve |
| US5341883A (en) * | 1993-01-14 | 1994-08-30 | Halliburton Company | Pressure test and bypass valve with rupture disc |
| US5400855A (en) * | 1993-01-27 | 1995-03-28 | Halliburton Company | Casing inflation packer |
| US5582253A (en) * | 1995-06-02 | 1996-12-10 | Baker Hughes Incorporated | Debris barrier with a downhole tool setting assembly |
| CA2367491A1 (en) * | 1999-04-21 | 2000-10-26 | Schlumberger Canada Limited | Wellbore packer with rupture disc |
| US20080115929A1 (en) * | 2006-11-21 | 2008-05-22 | Kossa Edward J | Spring energized debris barrier for mechanically set retrievable packer |
| CN200982173Y (en) * | 2006-12-14 | 2007-11-28 | 大港油田集团有限责任公司 | Hydraulic type sand-blocking control leather bowl |
| US20090321081A1 (en) * | 2008-06-30 | 2009-12-31 | Baker Hughes Incorporated | Controlled Pressure Equalization of Atmospheric Chambers |
| US20130133879A1 (en) * | 2011-11-30 | 2013-05-30 | Baker Hughes Incorporated | Debris Barrier for Packer Setting Sleeve |
| CN203175480U (en) * | 2013-01-10 | 2013-09-04 | 中国石油天然气股份有限公司 | Internal pressure type RDS circulating valve |
| CN204457614U (en) * | 2015-02-04 | 2015-07-08 | 中曼石油天然气集团股份有限公司北京国际钻井工程分公司 | A kind of two disc type circulating valve that breaks |
| CN205189848U (en) * | 2015-06-10 | 2016-04-27 | 北京日升恒诚能源技术开发有限公司 | Discodactylous that breaks end well cementation fracturing sliding sleeve |
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110566146A (en) * | 2019-09-30 | 2019-12-13 | 中国石油集团川庆钻探工程有限公司 | Internal pressurization type power mandrel and underground power device for oil testing well completion |
| CN212130435U (en) * | 2020-01-11 | 2020-12-11 | 中石化石油工程技术服务有限公司 | Sand control supporting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111364933B (en) | 2024-01-30 |
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Effective date of registration: 20200819 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC OILFIELD SERVICE JIANGHAN Corp. Applicant after: DOWNHOLE TESTING COMPANY OF SINOPEC JIANGHAN OILFIELD SERVICE CO.,LTD. Address before: 100029, Beijing, Chaoyang District Xin Tung Street, a No. 6, Twelfth layers Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC OILFIELD SERVICE JIANGHAN Corp. Applicant before: DOWNHOLE TESTING COMPANY OF SINOPEC JIANGHAN OILFIELD SERVICE CO.,LTD. |
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