CN111305784A - 一种水平井液压可退式打捞矛 - Google Patents
一种水平井液压可退式打捞矛 Download PDFInfo
- Publication number
- CN111305784A CN111305784A CN202010166557.8A CN202010166557A CN111305784A CN 111305784 A CN111305784 A CN 111305784A CN 202010166557 A CN202010166557 A CN 202010166557A CN 111305784 A CN111305784 A CN 111305784A
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- Prior art keywords
- piston cylinder
- fishing
- lower piston
- liquid inlet
- inlet groove
- 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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Links
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 210000000078 claw Anatomy 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 241000251468 Actinopterygii Species 0.000 description 10
- 239000003673 groundwater Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003466 welding 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010166557.8A CN111305784A (zh) | 2020-03-11 | 2020-03-11 | 一种水平井液压可退式打捞矛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010166557.8A CN111305784A (zh) | 2020-03-11 | 2020-03-11 | 一种水平井液压可退式打捞矛 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111305784A true CN111305784A (zh) | 2020-06-19 |
Family
ID=71155143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010166557.8A Pending CN111305784A (zh) | 2020-03-11 | 2020-03-11 | 一种水平井液压可退式打捞矛 |
Country Status (1)
Country | Link |
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CN (1) | CN111305784A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113958283A (zh) * | 2021-12-21 | 2022-01-21 | 四川环钻星空能源科技有限公司 | 一种井下打捞工具 |
CN114433908A (zh) * | 2022-03-03 | 2022-05-06 | 锐驰高科股份有限公司 | 管道开孔落片带压打捞装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5791712A (en) * | 1996-07-03 | 1998-08-11 | Weatherford/Lamb, Inc. | Spear fishing tool |
CN200946477Y (zh) * | 2006-05-11 | 2007-09-12 | 冀东石油勘探开发公司 | 多功能水力退出式防掉倒扣捞矛 |
CN201068764Y (zh) * | 2007-07-05 | 2008-06-04 | 辽河石油勘探局 | 可退式液压卡瓦捞矛 |
CN101956538A (zh) * | 2010-10-18 | 2011-01-26 | 大庆油田有限责任公司 | 液压可退捞矛 |
CN202706972U (zh) * | 2012-08-13 | 2013-01-30 | 通化市前进石油机械有限公司 | 液压可退捞矛 |
CN204960862U (zh) * | 2015-09-28 | 2016-01-13 | 中国石油化工股份有限公司 | 液压式可退捞矛 |
CN110656907A (zh) * | 2019-11-12 | 2020-01-07 | 东营市瑞丰石油技术发展有限责任公司 | 打捞矛及打捞装置 |
-
2020
- 2020-03-11 CN CN202010166557.8A patent/CN111305784A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5791712A (en) * | 1996-07-03 | 1998-08-11 | Weatherford/Lamb, Inc. | Spear fishing tool |
CN200946477Y (zh) * | 2006-05-11 | 2007-09-12 | 冀东石油勘探开发公司 | 多功能水力退出式防掉倒扣捞矛 |
CN201068764Y (zh) * | 2007-07-05 | 2008-06-04 | 辽河石油勘探局 | 可退式液压卡瓦捞矛 |
CN101956538A (zh) * | 2010-10-18 | 2011-01-26 | 大庆油田有限责任公司 | 液压可退捞矛 |
CN202706972U (zh) * | 2012-08-13 | 2013-01-30 | 通化市前进石油机械有限公司 | 液压可退捞矛 |
CN204960862U (zh) * | 2015-09-28 | 2016-01-13 | 中国石油化工股份有限公司 | 液压式可退捞矛 |
CN110656907A (zh) * | 2019-11-12 | 2020-01-07 | 东营市瑞丰石油技术发展有限责任公司 | 打捞矛及打捞装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113958283A (zh) * | 2021-12-21 | 2022-01-21 | 四川环钻星空能源科技有限公司 | 一种井下打捞工具 |
CN113958283B (zh) * | 2021-12-21 | 2022-03-08 | 四川环钻星空能源科技有限公司 | 一种井下打捞工具 |
CN114433908A (zh) * | 2022-03-03 | 2022-05-06 | 锐驰高科股份有限公司 | 管道开孔落片带压打捞装置 |
CN114433908B (zh) * | 2022-03-03 | 2024-04-26 | 锐驰高科股份有限公司 | 管道开孔落片带压打捞装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210531 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Applicant after: CNPC Bohai Drilling Engineering Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Applicant before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
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RJ01 | Rejection of invention patent application after publication |