CN203614076U - 固井用插头 - Google Patents
固井用插头 Download PDFInfo
- Publication number
- CN203614076U CN203614076U CN201320871025.XU CN201320871025U CN203614076U CN 203614076 U CN203614076 U CN 203614076U CN 201320871025 U CN201320871025 U CN 201320871025U CN 203614076 U CN203614076 U CN 203614076U
- Authority
- CN
- China
- Prior art keywords
- plug
- sealing device
- well cementation
- projection
- head
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 210000002445 nipple Anatomy 0.000 claims description 9
- 239000004568 cement Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320871025.XU CN203614076U (zh) | 2013-12-20 | 2013-12-20 | 固井用插头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320871025.XU CN203614076U (zh) | 2013-12-20 | 2013-12-20 | 固井用插头 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203614076U true CN203614076U (zh) | 2014-05-28 |
Family
ID=50766728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320871025.XU Expired - Lifetime CN203614076U (zh) | 2013-12-20 | 2013-12-20 | 固井用插头 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203614076U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104912512A (zh) * | 2015-06-29 | 2015-09-16 | 中国海洋石油总公司 | 插管封隔装置 |
-
2013
- 2013-12-20 CN CN201320871025.XU patent/CN203614076U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104912512A (zh) * | 2015-06-29 | 2015-09-16 | 中国海洋石油总公司 | 插管封隔装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202483565U (zh) | 负脉冲随钻测量仪增压短节 | |
CN103343822A (zh) | 适用于空间站的磁性液体旋转密封装置 | |
CN203614076U (zh) | 固井用插头 | |
CN202108462U (zh) | 组合式插入密封装置 | |
CN203685057U (zh) | 石油钻杆 | |
CN203961895U (zh) | 一种尾管回接插头 | |
CN203808918U (zh) | 一种充气式油井封堵装置 | |
CN204899850U (zh) | 一种新型球笼式复合桥塞 | |
CN205532578U (zh) | 一种高效井筒腐蚀监测挂环器 | |
CN204327046U (zh) | 一种旁通管密封装置 | |
CN204252845U (zh) | 便于防漏的分段式石油钻杆 | |
CN203488143U (zh) | 自动灌泥浆浮箍浮鞋 | |
CN204899853U (zh) | 一种投球式复合桥塞 | |
CN202689967U (zh) | 冲压式刚性套管扶正器 | |
CN204899849U (zh) | 一种新型投球式复合桥塞 | |
CN204343983U (zh) | 套管灌浆循环装置 | |
CN204457579U (zh) | 一种任意堵塞器 | |
CN204646177U (zh) | 一种骨架式油层封隔器 | |
CN203175474U (zh) | 用于采油完井的充填装置 | |
CN204252918U (zh) | 一种采油井口装置 | |
CN104213866A (zh) | 一种增强密封能力的自膨胀封隔器及方法 | |
CN203283958U (zh) | 一种防水型纸管 | |
CN206352504U (zh) | 一种接头长度缩短的新型结构 | |
CN204436673U (zh) | 一种点火线圈与火花塞的连接结构 | |
CN203796190U (zh) | 压缩式封隔器用短节 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201216 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140528 |