CN101936144B - 井口承压保护装置 - Google Patents
井口承压保护装置 Download PDFInfo
- Publication number
- CN101936144B CN101936144B CN201010279887.4A CN201010279887A CN101936144B CN 101936144 B CN101936144 B CN 101936144B CN 201010279887 A CN201010279887 A CN 201010279887A CN 101936144 B CN101936144 B CN 101936144B
- Authority
- CN
- China
- Prior art keywords
- pressure
- upper flange
- flange joint
- protective device
- bearing protective
- 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.)
- Expired - Fee Related
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Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010279887.4A CN101936144B (zh) | 2010-09-13 | 2010-09-13 | 井口承压保护装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010279887.4A CN101936144B (zh) | 2010-09-13 | 2010-09-13 | 井口承压保护装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101936144A CN101936144A (zh) | 2011-01-05 |
CN101936144B true CN101936144B (zh) | 2014-06-11 |
Family
ID=43389692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010279887.4A Expired - Fee Related CN101936144B (zh) | 2010-09-13 | 2010-09-13 | 井口承压保护装置 |
Country Status (1)
Country | Link |
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CN (1) | CN101936144B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104018799A (zh) * | 2014-05-27 | 2014-09-03 | 成都来宝石油设备有限公司 | 井口保护装置 |
CN114165184A (zh) * | 2021-12-17 | 2022-03-11 | 窑街煤电集团有限公司 | 一种煤层气压裂井口连接装置加固方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109712A (en) * | 1977-08-01 | 1978-08-29 | Regan Offshore International, Inc. | Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing |
CN2563292Y (zh) * | 2002-07-08 | 2003-07-30 | 泸州长江液压件制造有限公司 | 液压式带压换阀用油管堵塞器 |
CN2550483Y (zh) * | 2002-07-08 | 2003-05-14 | 大庆石油管理局 | 不压井采油井口装置 |
CN2690577Y (zh) * | 2004-03-29 | 2005-04-06 | 黄国洲 | 一种密码转筒式井口丝堵防盗装置 |
CN2695619Y (zh) * | 2004-04-26 | 2005-04-27 | 中国石油化工股份有限公司中原油田分公司采油一厂 | 快装式井控防喷装置 |
CN2816339Y (zh) * | 2005-06-20 | 2006-09-13 | 张伟斌 | 一种井控防喷装置 |
CN201198748Y (zh) * | 2008-03-28 | 2009-02-25 | 成都鼎胜科技发展有限责任公司 | 高压地下储气井防冲蚀法兰密封井口装置 |
CN201265375Y (zh) * | 2008-09-25 | 2009-07-01 | 西部钻探克拉玛依钻井公司 | 轻便型钻具提升短节 |
CN101434288B (zh) * | 2008-11-25 | 2011-12-21 | 宝鸡石油机械有限责任公司 | 海洋石油钻采立管系统伸缩接头 |
CN201771463U (zh) * | 2010-09-13 | 2011-03-23 | 中国海洋石油总公司 | 井口承压保护装置 |
-
2010
- 2010-09-13 CN CN201010279887.4A patent/CN101936144B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
集团公司井控培训教材编写组.旋塞阀.《钻井井控设备》.中国石油大学出版社,2008,第118-121页. * |
Also Published As
Publication number | Publication date |
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CN101936144A (zh) | 2011-01-05 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161221 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20170913 |