CN2830637Y - 井下安全阀 - Google Patents
井下安全阀 Download PDFInfo
- Publication number
- CN2830637Y CN2830637Y CN 200520133362 CN200520133362U CN2830637Y CN 2830637 Y CN2830637 Y CN 2830637Y CN 200520133362 CN200520133362 CN 200520133362 CN 200520133362 U CN200520133362 U CN 200520133362U CN 2830637 Y CN2830637 Y CN 2830637Y
- Authority
- CN
- China
- Prior art keywords
- valve
- central tube
- piston
- safety valve
- storm
- 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 - Lifetime
Links
Landscapes
- Safety Valves (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520133362 CN2830637Y (zh) | 2005-11-21 | 2005-11-21 | 井下安全阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520133362 CN2830637Y (zh) | 2005-11-21 | 2005-11-21 | 井下安全阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2830637Y true CN2830637Y (zh) | 2006-10-25 |
Family
ID=37135563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520133362 Expired - Lifetime CN2830637Y (zh) | 2005-11-21 | 2005-11-21 | 井下安全阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2830637Y (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101956540A (zh) * | 2009-07-15 | 2011-01-26 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | 一种新型钻杆阀 |
CN102392619A (zh) * | 2011-07-21 | 2012-03-28 | 北京华油油气技术开发有限公司 | 一种油管携带可回收井下安全阀 |
CN102628348A (zh) * | 2012-05-03 | 2012-08-08 | 中国石油集团西部钻探工程有限公司 | 管捅式油管浮阀 |
CN101657604B (zh) * | 2006-11-13 | 2016-03-30 | 贝克休斯公司 | 地下安全阀中的杆式活塞的畸变补偿 |
CN112855077A (zh) * | 2019-11-28 | 2021-05-28 | 太原理工大学 | 一种井下安全阀 |
-
2005
- 2005-11-21 CN CN 200520133362 patent/CN2830637Y/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101657604B (zh) * | 2006-11-13 | 2016-03-30 | 贝克休斯公司 | 地下安全阀中的杆式活塞的畸变补偿 |
CN101956540A (zh) * | 2009-07-15 | 2011-01-26 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | 一种新型钻杆阀 |
CN101956540B (zh) * | 2009-07-15 | 2015-03-25 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | 一种新型钻杆阀 |
CN102392619A (zh) * | 2011-07-21 | 2012-03-28 | 北京华油油气技术开发有限公司 | 一种油管携带可回收井下安全阀 |
CN102628348A (zh) * | 2012-05-03 | 2012-08-08 | 中国石油集团西部钻探工程有限公司 | 管捅式油管浮阀 |
CN102628348B (zh) * | 2012-05-03 | 2015-07-08 | 中国石油集团西部钻探工程有限公司 | 管捅式油管浮阀 |
CN112855077A (zh) * | 2019-11-28 | 2021-05-28 | 太原理工大学 | 一种井下安全阀 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2830637Y (zh) | 井下安全阀 | |
CN1908365A (zh) | 井口安全阀控制系统 | |
CN111594087A (zh) | 一种适用于柱塞气举排水采气的井口装置及其操作方法 | |
CN212671653U (zh) | 一种适用于柱塞气举排水采气的井口装置 | |
CN2512899Y (zh) | 高压油气水井带压作业装置 | |
CN201062508Y (zh) | 一种带有柱塞式平衡阀的井下安全阀 | |
CN2551759Y (zh) | 一种钻井用闸板防喷器 | |
CN201062507Y (zh) | 一种带有钢球式平衡阀的井下安全阀 | |
CN2511791Y (zh) | 稠油井开采掺水降粘装置 | |
CN1357677A (zh) | 换层生产方法及工艺管柱 | |
CN216665573U (zh) | 修井机带蓄能器的防喷器控制装置 | |
CN204042151U (zh) | 一种速关截止阀 | |
CN201310314Y (zh) | 多用途可投捞式堵塞、节流器 | |
CN2871832Y (zh) | 地面控制式可洗井分层注水管柱 | |
CN206360685U (zh) | 一种海洋钻井用深海隔水管灌注阀控制系统 | |
CN200961718Y (zh) | 石油天然气井口安全自动截断阀 | |
CN200982187Y (zh) | 压裂水力喷射泵 | |
CN2787821Y (zh) | 方钻杆抢装短节 | |
CN201137465Y (zh) | 低产井抽油装置 | |
CN2854056Y (zh) | 液压旋转猫头 | |
CN2753877Y (zh) | 球塞气举工艺投球时间控制液压站 | |
CN2697395Y (zh) | 高压气地下储气井安全阀 | |
CN214886944U (zh) | 一种液压式带压取送背压阀工具 | |
CN212928815U (zh) | 一种压裂泵双阀杆型液力端 | |
CN2252883Y (zh) | 油田井下作业用的活门 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang weiqixin Petroleum Machinery Co., Ltd. Assignor: Hu Dingqing Contract fulfillment period: 2006.10.30 to 2014.10.30 Contract record no.: 2009330002009 Denomination of utility model: Downhole safety valve Granted publication date: 20061025 License type: Exclusive license Record date: 20090818 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.10.30 TO 2014.10.30; CHANGE OF CONTRACT Name of requester: ZHEJIANG WEIQIXIN PETROLEUM MACHINERY CO., LTD. Effective date: 20090818 |
|
CX01 | Expiry of patent term |
Granted publication date: 20061025 |
|
EXPY | Termination of patent right or utility model |