CN201778786U - 一种井下液控隔离阀 - Google Patents
一种井下液控隔离阀 Download PDFInfo
- Publication number
- CN201778786U CN201778786U CN2010205228793U CN201020522879U CN201778786U CN 201778786 U CN201778786 U CN 201778786U CN 2010205228793 U CN2010205228793 U CN 2010205228793U CN 201020522879 U CN201020522879 U CN 201020522879U CN 201778786 U CN201778786 U CN 201778786U
- Authority
- CN
- China
- Prior art keywords
- piston
- spring
- lower cover
- type circle
- housed
- 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
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205228793U CN201778786U (zh) | 2010-09-09 | 2010-09-09 | 一种井下液控隔离阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205228793U CN201778786U (zh) | 2010-09-09 | 2010-09-09 | 一种井下液控隔离阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201778786U true CN201778786U (zh) | 2011-03-30 |
Family
ID=43791999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010205228793U Expired - Fee Related CN201778786U (zh) | 2010-09-09 | 2010-09-09 | 一种井下液控隔离阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201778786U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103727091A (zh) * | 2014-01-22 | 2014-04-16 | 成都中寰流体控制设备有限公司 | 一种防冰堵隔离阀 |
CN106644264A (zh) * | 2016-12-13 | 2017-05-10 | 国家海洋技术中心 | 一种海洋压力传感器定标校准连接装置 |
-
2010
- 2010-09-09 CN CN2010205228793U patent/CN201778786U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103727091A (zh) * | 2014-01-22 | 2014-04-16 | 成都中寰流体控制设备有限公司 | 一种防冰堵隔离阀 |
CN106644264A (zh) * | 2016-12-13 | 2017-05-10 | 国家海洋技术中心 | 一种海洋压力传感器定标校准连接装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107063963B (zh) | 一种致密储层微裂缝扩展及渗流特征的测试装置和方法 | |
CN204679347U (zh) | 一种钻井液承压堵漏压裂试验装置 | |
US11067492B2 (en) | Physical simulation and calibration device and method for formation pressure testing | |
CN102564702B (zh) | 一种地层测试器中封隔器的测试装置及系统 | |
CN203570308U (zh) | 一种地层测试系统 | |
CN105464649B (zh) | 地层压力测量短节和地层压力模拟测量装置 | |
CN204511430U (zh) | 一种高温高压井壁强化钻井液模拟实验装置 | |
CN103603651A (zh) | 煤层瓦斯抽采钻孔稳定性测试装置及方法 | |
CN110006760A (zh) | 一种准确测定深孔水压致裂诱发破裂重张压力的方法 | |
CN203756155U (zh) | 一种固井胶结失效的评价装置 | |
CN207231976U (zh) | 一种不同温度、压力作用下岩石渗透系数测定装置 | |
CN201778786U (zh) | 一种井下液控隔离阀 | |
CN103541700B (zh) | 反向密封式偏心配水器 | |
CN105257281A (zh) | 验套漏方法 | |
CN107489394A (zh) | 一种裸眼封隔器三椭圆实验装置 | |
CN103806901B (zh) | 油井井下快速测试系统的测试方法 | |
CN201778785U (zh) | 一种井下液控平衡阀 | |
CN202467827U (zh) | 井下分层直读测试仪 | |
CN202250055U (zh) | 探头系统 | |
CN201991522U (zh) | 活塞压力传感器 | |
CN201963295U (zh) | 一种随钻地层压力地面模拟测量装置 | |
CN205778845U (zh) | 一种井下环空压力模拟实验装置 | |
CN203239325U (zh) | 直井机械封隔器分层压裂、分层测压一体化工艺管柱 | |
CN203584405U (zh) | 煤层瓦斯抽采钻孔稳定性测试装置 | |
CN201810272U (zh) | 酸化排液用超高压常开阀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CSIC SINKIANG HAIYUAN ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XI'AN 705TH RESEARCH INSTITUTE HAIYUAN MEASURE AND CONTROL TECHNOLOGY CO.,LTD OF CHINA SHIPBUILDING INDUSTRY CORPORATION Effective date: 20131016 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: XI'AN 705TH RESEARCH INSTITUTE HAIYUAN MEASURE AND Free format text: FORMER NAME: NO. 705 RESEARCH INSTITUTE HI-TECH COMPANY OF CHINA SHIPBUILDING INDUSTRY CORPORATION |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710065 XI'AN, SHAANXI PROVINCE TO: 834007 KARAMAY, XINJIANG UYGUR AUTONOMOUS REGION |
|
CP01 | Change in the name or title of a patent holder |
Address after: 710065 No. 11 East Road, Xi'an, Shaanxi, China Patentee after: Haiyuan China shipbuilding industry group Xi'an seventh, five Institute of measurement and Control Technology Co. Address before: 710065 No. 11 East Road, Xi'an, Shaanxi, China Patentee before: 705TH RES INST HI TECH COMPANY OF CHINA SHIPBUILDING IND Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20131016 Address after: 834007 the Xinjiang Uygur Autonomous Region Karamay city baijiantanqu three town Yongxin Road No. 13 Patentee after: CSIC XINJIANG HAIYUAN ENERGY EQUIPMENT Co.,Ltd. Address before: 710065 No. 11 East Road, Xi'an, Shaanxi, China Patentee before: Haiyuan China shipbuilding industry group Xi'an seventh O five Institute of measurement and Control Technology Co. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20160909 |
|
CF01 | Termination of patent right due to non-payment of annual fee |