CN108756811B - 一种定压启动延时开孔阀 - Google Patents
一种定压启动延时开孔阀 Download PDFInfo
- Publication number
- CN108756811B CN108756811B CN201810606065.9A CN201810606065A CN108756811B CN 108756811 B CN108756811 B CN 108756811B CN 201810606065 A CN201810606065 A CN 201810606065A CN 108756811 B CN108756811 B CN 108756811B
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- China
- Prior art keywords
- piston
- central tube
- hydraulic cylinder
- cylinder shell
- sliding sleeve
- 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.)
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 claims description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 3
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/108—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with time delay systems, e.g. hydraulic impedance mechanisms
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- 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)
- Safety Valves (AREA)
- Actuator (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810606065.9A CN108756811B (zh) | 2018-06-12 | 2018-06-12 | 一种定压启动延时开孔阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810606065.9A CN108756811B (zh) | 2018-06-12 | 2018-06-12 | 一种定压启动延时开孔阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108756811A CN108756811A (zh) | 2018-11-06 |
CN108756811B true CN108756811B (zh) | 2020-07-31 |
Family
ID=64022028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810606065.9A Active CN108756811B (zh) | 2018-06-12 | 2018-06-12 | 一种定压启动延时开孔阀 |
Country Status (1)
Country | Link |
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CN (1) | CN108756811B (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493373A (en) * | 1983-08-15 | 1985-01-15 | Baker Oil Tools, Inc. | Dynamic seal for well tools |
CN101270633A (zh) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | 井下无阻生产定压注入集成阀 |
CN201125709Y (zh) * | 2007-12-18 | 2008-10-01 | 新疆石油管理局试油公司 | 传压阀 |
CN104847304A (zh) * | 2015-05-18 | 2015-08-19 | 中国石油集团渤海钻探工程有限公司 | 桥塞坐封工具 |
CN104989322A (zh) * | 2015-07-17 | 2015-10-21 | 中国石油集团渤海钻探工程有限公司 | 一种剪切销式旁通阀 |
CN106481310A (zh) * | 2015-08-31 | 2017-03-08 | 地球动力学公司 | 液压延时趾阀系统及方法 |
CN206035441U (zh) * | 2016-09-07 | 2017-03-22 | 中国石油化工股份有限公司 | 一种液压解封注水封隔器 |
WO2017204657A1 (en) * | 2016-05-25 | 2017-11-30 | Tco As | Self calibrating toe valve |
CN206917636U (zh) * | 2017-06-23 | 2018-01-23 | 田雷 | 一种精密活塞式井口加药装置 |
-
2018
- 2018-06-12 CN CN201810606065.9A patent/CN108756811B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493373A (en) * | 1983-08-15 | 1985-01-15 | Baker Oil Tools, Inc. | Dynamic seal for well tools |
CN201125709Y (zh) * | 2007-12-18 | 2008-10-01 | 新疆石油管理局试油公司 | 传压阀 |
CN101270633A (zh) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | 井下无阻生产定压注入集成阀 |
CN104847304A (zh) * | 2015-05-18 | 2015-08-19 | 中国石油集团渤海钻探工程有限公司 | 桥塞坐封工具 |
CN104989322A (zh) * | 2015-07-17 | 2015-10-21 | 中国石油集团渤海钻探工程有限公司 | 一种剪切销式旁通阀 |
CN106481310A (zh) * | 2015-08-31 | 2017-03-08 | 地球动力学公司 | 液压延时趾阀系统及方法 |
WO2017204657A1 (en) * | 2016-05-25 | 2017-11-30 | Tco As | Self calibrating toe valve |
CN206035441U (zh) * | 2016-09-07 | 2017-03-22 | 中国石油化工股份有限公司 | 一种液压解封注水封隔器 |
CN206917636U (zh) * | 2017-06-23 | 2018-01-23 | 田雷 | 一种精密活塞式井口加药装置 |
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Publication number | Publication date |
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CN108756811A (zh) | 2018-11-06 |
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Effective date of registration: 20210819 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |