CN203559802U - 钻杆上的内管接头 - Google Patents
钻杆上的内管接头 Download PDFInfo
- Publication number
- CN203559802U CN203559802U CN201320614419.7U CN201320614419U CN203559802U CN 203559802 U CN203559802 U CN 203559802U CN 201320614419 U CN201320614419 U CN 201320614419U CN 203559802 U CN203559802 U CN 203559802U
- Authority
- CN
- China
- Prior art keywords
- joint
- inner tube
- spring
- steel ball
- limit casing
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614419.7U CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614419.7U CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559802U true CN203559802U (zh) | 2014-04-23 |
Family
ID=50509530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320614419.7U Expired - Fee Related CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559802U (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510877A (zh) * | 2013-09-30 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻杆上的内管接头 |
| CN118704942A (zh) * | 2024-08-30 | 2024-09-27 | 河北赛维石油设备有限公司 | 一种井下仪器用可伸缩连接短节 |
-
2013
- 2013-09-30 CN CN201320614419.7U patent/CN203559802U/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510877A (zh) * | 2013-09-30 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻杆上的内管接头 |
| CN118704942A (zh) * | 2024-08-30 | 2024-09-27 | 河北赛维石油设备有限公司 | 一种井下仪器用可伸缩连接短节 |
| CN118704942B (zh) * | 2024-08-30 | 2024-12-27 | 河北赛维石油设备有限公司 | 一种井下仪器用可伸缩连接短节 |
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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: WUXI GEOTEC DRILLING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WUXI GEOTEC GEOLOGICAL EQUIPMENT CO., LTD. Effective date: 20140411 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140411 Address after: 214000 Jiangsu Province, Wuxi city Xishan District Yangjian machinery equipment Industrial Park B District Patentee after: WUXI ZHONGDI DRILLING EQUIPMENT CO., LTD. Address before: 214000 Xintai industrial supporting garden, Mei Cun, New District, Jiangsu, Wuxi Patentee before: Wuxi Geotec Geological Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |