CN201756945U - 球式扩张密封油管桥塞 - Google Patents
球式扩张密封油管桥塞 Download PDFInfo
- Publication number
- CN201756945U CN201756945U CN2010202810778U CN201020281077U CN201756945U CN 201756945 U CN201756945 U CN 201756945U CN 2010202810778 U CN2010202810778 U CN 2010202810778U CN 201020281077 U CN201020281077 U CN 201020281077U CN 201756945 U CN201756945 U CN 201756945U
- Authority
- CN
- China
- Prior art keywords
- ball
- core pipe
- bridge plug
- cone
- piston
- 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
Images
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202810778U CN201756945U (zh) | 2010-08-03 | 2010-08-03 | 球式扩张密封油管桥塞 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010202810778U CN201756945U (zh) | 2010-08-03 | 2010-08-03 | 球式扩张密封油管桥塞 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201756945U true CN201756945U (zh) | 2011-03-09 |
Family
ID=43644217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010202810778U Expired - Lifetime CN201756945U (zh) | 2010-08-03 | 2010-08-03 | 球式扩张密封油管桥塞 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201756945U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107288552A (zh) * | 2017-08-10 | 2017-10-24 | 西安石油大学 | 双向限位膨胀锁紧式连续油管组合接头 |
-
2010
- 2010-08-03 CN CN2010202810778U patent/CN201756945U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107288552A (zh) * | 2017-08-10 | 2017-10-24 | 西安石油大学 | 双向限位膨胀锁紧式连续油管组合接头 |
CN107288552B (zh) * | 2017-08-10 | 2024-03-12 | 西安石油大学 | 双向限位膨胀锁紧式连续油管组合接头 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101812981A (zh) | 一种机械式井下内外一体防喷器 | |
CN202165047U (zh) | 适用于水平井的扩张式裸眼封隔器 | |
CN204877369U (zh) | 液控自解封式压裂封隔器 | |
CN101392633B (zh) | 机械液压双作用膨胀式筛管悬挂器 | |
CN101382053B (zh) | 油井封隔器 | |
CN202266231U (zh) | 用于自膨胀封隔器的胶筒辅助承压装置 | |
CN203756112U (zh) | 洗井平衡封隔器 | |
CN105756909B (zh) | 井下抽油泵 | |
CN202866741U (zh) | 带有液压控锁的扩张式裸眼封隔器 | |
CN201756946U (zh) | 球式深井油管桥塞 | |
CN201756945U (zh) | 球式扩张密封油管桥塞 | |
CN201778671U (zh) | 一种膨胀锥锁紧机构 | |
CN203948075U (zh) | 一种防倒灌式油井管柱防坠落装置 | |
CN201756943U (zh) | 一种油管桥塞 | |
CN100572742C (zh) | 液压膨胀式筛管悬挂器 | |
CN204002680U (zh) | 一种全通径球座 | |
CN201412128Y (zh) | 多功能泄油器 | |
CN201738866U (zh) | 防污染洗井封隔器 | |
CN104405331B (zh) | 一种海洋深水井油管封隔器 | |
CN203321508U (zh) | 一种油井套管找漏工具 | |
CN202325383U (zh) | 水平井拖动压裂封隔器 | |
CN204327023U (zh) | 一种管柱解卡装置 | |
CN203347704U (zh) | 抽油井洗井泄油装置 | |
CN202850935U (zh) | 一种y521封隔器 | |
CN101250984A (zh) | 洗井防砂一体化工艺管柱 |
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: TOP-WELL PETROLEUM TECHNOLOGIES COMPANY LTD. Free format text: FORMER OWNER: BEIJING TOP-WELL PETROLEUM TECHNOLOGIES SERVICE COMPANY LTD. Effective date: 20121114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121114 Address after: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee after: Top-Well Petroleum Technologies Company Ltd. Address before: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee before: Top Well Services Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110309 |