CN110748327B - 一种固定式井下节流器 - Google Patents
一种固定式井下节流器 Download PDFInfo
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- CN110748327B CN110748327B CN201911122219.8A CN201911122219A CN110748327B CN 110748327 B CN110748327 B CN 110748327B CN 201911122219 A CN201911122219 A CN 201911122219A CN 110748327 B CN110748327 B CN 110748327B
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- nozzle
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- spring
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- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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- 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
- E21B31/00—Fishing for or freeing objects in 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201911122219.8A CN110748327B (zh) | 2019-11-15 | 2019-11-15 | 一种固定式井下节流器 |
Applications Claiming Priority (1)
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CN201911122219.8A CN110748327B (zh) | 2019-11-15 | 2019-11-15 | 一种固定式井下节流器 |
Publications (2)
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CN110748327A CN110748327A (zh) | 2020-02-04 |
CN110748327B true CN110748327B (zh) | 2020-08-18 |
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CN201911122219.8A Active CN110748327B (zh) | 2019-11-15 | 2019-11-15 | 一种固定式井下节流器 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2287671Y (zh) * | 1997-03-07 | 1998-08-12 | 河南石油勘探局采油工艺研究所 | 井下定位器 |
CN101122214A (zh) * | 2007-09-21 | 2008-02-13 | 中国石油天然气集团公司 | 机械膨胀式筛管悬挂器 |
CN201810289U (zh) * | 2010-10-22 | 2011-04-27 | 中国石油天然气股份有限公司 | 固定式井下节流器 |
CN202788699U (zh) * | 2012-08-01 | 2013-03-13 | 蔡万伟 | 分级注水泥固井滑套打开工具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201439711U (zh) * | 2009-07-20 | 2010-04-21 | 中国石油天然气股份有限公司 | 自锁v型井下密封节流器 |
CN201802332U (zh) * | 2010-07-07 | 2011-04-20 | 李俊福 | 卡丁座封器 |
CN201756953U (zh) * | 2010-08-27 | 2011-03-09 | 广汉市丰业石油技术开发有限公司 | 天然气井井下节流器 |
CN202187750U (zh) * | 2011-08-03 | 2012-04-11 | 北京金科龙石油技术开发有限公司 | 一种预置式井下节流器 |
CN105443087B (zh) * | 2014-08-29 | 2018-06-01 | 中国石油天然气股份有限公司 | 一种井下节流器 |
CN204691747U (zh) * | 2015-05-14 | 2015-10-07 | 北京百恒达石油技术有限公司 | 连续油管专用喷嘴 |
CN205714133U (zh) * | 2016-06-16 | 2016-11-23 | 广汉市丰业石油技术开发有限公司 | 固定式井下节流器 |
RU2663757C1 (ru) * | 2017-08-24 | 2018-08-09 | Владимир Федорович Францев | Скважинный комплекс защиты пласта |
CN208966306U (zh) * | 2018-08-28 | 2019-06-11 | 中国石油天然气股份有限公司 | 井下节流器及采气管柱 |
-
2019
- 2019-11-15 CN CN201911122219.8A patent/CN110748327B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2287671Y (zh) * | 1997-03-07 | 1998-08-12 | 河南石油勘探局采油工艺研究所 | 井下定位器 |
CN101122214A (zh) * | 2007-09-21 | 2008-02-13 | 中国石油天然气集团公司 | 机械膨胀式筛管悬挂器 |
CN201810289U (zh) * | 2010-10-22 | 2011-04-27 | 中国石油天然气股份有限公司 | 固定式井下节流器 |
CN202788699U (zh) * | 2012-08-01 | 2013-03-13 | 蔡万伟 | 分级注水泥固井滑套打开工具 |
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Effective date of registration: 20200908 Address after: Intercontinental building, 16 ande Road, Dongcheng District, Beijing, 100010 Co-patentee after: SICHUAN SHENGNUO OIL AND GAS ENGINEERING TECHNOLOGY SERVICE Co.,Ltd. Patentee after: PetroChina Co.,Ltd. Address before: 618300 south section 3, Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Co-patentee before: SICHUAN SHENGNUO OIL AND GAS ENGINEERING TECHNOLOGY SERVICE Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM CORPORATION, SOUTHWEST OIL & GASFIELD BRANCH, ENGINEERING TECHNOLOGY Research Institute |