CN2813875Y - Hydraulic antireleasing shock absorber - Google Patents
Hydraulic antireleasing shock absorber Download PDFInfo
- Publication number
- CN2813875Y CN2813875Y CN 200520079234 CN200520079234U CN2813875Y CN 2813875 Y CN2813875 Y CN 2813875Y CN 200520079234 CN200520079234 CN 200520079234 CN 200520079234 U CN200520079234 U CN 200520079234U CN 2813875 Y CN2813875 Y CN 2813875Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- oil
- sucker rod
- piston rod
- 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
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520079234 CN2813875Y (en) | 2005-08-12 | 2005-08-12 | Hydraulic antireleasing shock absorber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520079234 CN2813875Y (en) | 2005-08-12 | 2005-08-12 | Hydraulic antireleasing shock absorber |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2813875Y true CN2813875Y (en) | 2006-09-06 |
Family
ID=36948960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520079234 Expired - Fee Related CN2813875Y (en) | 2005-08-12 | 2005-08-12 | Hydraulic antireleasing shock absorber |
Country Status (1)
Country | Link |
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CN (1) | CN2813875Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121363A (en) * | 2011-01-17 | 2011-07-13 | 韩兴华 | Single-drive multi-well rodless hydraulic oil extracting device |
CN103510871A (en) * | 2012-06-21 | 2014-01-15 | 中国石油化工股份有限公司 | Complex structural well drag-reduction wrenching-reduction compound drilling method |
CN114427529A (en) * | 2022-04-07 | 2022-05-03 | 天津市益彰石油科技发展有限公司 | Lifting device for reducing stroke resistance of sucker rod |
-
2005
- 2005-08-12 CN CN 200520079234 patent/CN2813875Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121363A (en) * | 2011-01-17 | 2011-07-13 | 韩兴华 | Single-drive multi-well rodless hydraulic oil extracting device |
CN103510871A (en) * | 2012-06-21 | 2014-01-15 | 中国石油化工股份有限公司 | Complex structural well drag-reduction wrenching-reduction compound drilling method |
CN114427529A (en) * | 2022-04-07 | 2022-05-03 | 天津市益彰石油科技发展有限公司 | Lifting device for reducing stroke resistance of sucker rod |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shannxi Xingchen Petroleum Technology Co., Ltd. Assignor: Cheng Shiying Contract fulfillment period: 2006.9.22 to 2011.9.22 Contract record no.: 2009610000153 Denomination of utility model: Hydraulic antireleasing shock absorber Granted publication date: 20060906 License type: Exclusive license Record date: 20091211 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.9.22 TO 2011.9.22; CHANGE OF CONTRACT Name of requester: SHAANXI XINGCHEN PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20091211 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20110812 |