CN202194594U - Quick-assembling lift sub of well shutting device - Google Patents
Quick-assembling lift sub of well shutting device Download PDFInfo
- Publication number
- CN202194594U CN202194594U CN2011202749914U CN201120274991U CN202194594U CN 202194594 U CN202194594 U CN 202194594U CN 2011202749914 U CN2011202749914 U CN 2011202749914U CN 201120274991 U CN201120274991 U CN 201120274991U CN 202194594 U CN202194594 U CN 202194594U
- Authority
- CN
- China
- Prior art keywords
- clamping plates
- quick
- assembling
- leaf
- shutting device
- 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
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202749914U CN202194594U (en) | 2011-08-01 | 2011-08-01 | Quick-assembling lift sub of well shutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202749914U CN202194594U (en) | 2011-08-01 | 2011-08-01 | Quick-assembling lift sub of well shutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194594U true CN202194594U (en) | 2012-04-18 |
Family
ID=45949511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202749914U Expired - Fee Related CN202194594U (en) | 2011-08-01 | 2011-08-01 | Quick-assembling lift sub of well shutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194594U (en) |
-
2011
- 2011-08-01 CN CN2011202749914U patent/CN202194594U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGDONG QILONG OFFSHORE PETROLEUM STEEL PIPE CO. Free format text: FORMER NAME: LONGXI PETROLEUM STEEL PIPE CO., LTD., SHENGLI OILFIELD |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 257091 No. 73, Huaihe Road, Shengli Industrial Park, Dongying Development Zone, Shandong Patentee after: SHANDONG QILONG OFFSHORE PETROLEUM STEEL PIPE CO., LTD. Address before: 257091 No. 73, Huaihe Road, Shengli Industrial Park, Dongying Development Zone, Shandong Patentee before: Longxi Petroleum Steel Pipe Co., Ltd., Shengli Oilfield |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |