CN201105422Y - 游梁式抽油机平衡块的固定螺丝拆装工具 - Google Patents
游梁式抽油机平衡块的固定螺丝拆装工具 Download PDFInfo
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- CN201105422Y CN201105422Y CNU2007200281123U CN200720028112U CN201105422Y CN 201105422 Y CN201105422 Y CN 201105422Y CN U2007200281123 U CNU2007200281123 U CN U2007200281123U CN 200720028112 U CN200720028112 U CN 200720028112U CN 201105422 Y CN201105422 Y CN 201105422Y
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- screw
- sleeve
- dismounting
- tool
- pumping unit
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- 238000005086 pumping Methods 0.000 title claims abstract description 9
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- 230000003319 supportive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CNU2007200281123U CN201105422Y (zh) | 2007-09-17 | 2007-09-17 | 游梁式抽油机平衡块的固定螺丝拆装工具 |
Applications Claiming Priority (1)
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CNU2007200281123U CN201105422Y (zh) | 2007-09-17 | 2007-09-17 | 游梁式抽油机平衡块的固定螺丝拆装工具 |
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CN201105422Y true CN201105422Y (zh) | 2008-08-27 |
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CNU2007200281123U Expired - Fee Related CN201105422Y (zh) | 2007-09-17 | 2007-09-17 | 游梁式抽油机平衡块的固定螺丝拆装工具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105252468A (zh) * | 2015-10-26 | 2016-01-20 | 中国石油天然气股份有限公司 | 一种固定式套筒扳手 |
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2007
- 2007-09-17 CN CNU2007200281123U patent/CN201105422Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105252468A (zh) * | 2015-10-26 | 2016-01-20 | 中国石油天然气股份有限公司 | 一种固定式套筒扳手 |
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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: SINOPEC SHENGLI OILFIELD BRANCH OF SHARES ISLAND Free format text: FORMER OWNER: FU JIAN Effective date: 20080725 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Bo Inventor after: Song Bo Inventor after: Fu Jian Inventor after: Yu Mingyong Inventor after: Zhao Hui Inventor after: Wang Yanhui Inventor after: Wang Jinfeng Inventor after: Zhang Fang Inventor after: Liu Xin Inventor before: Fu Jian Inventor before: Song Bo Inventor before: Wang Bo Inventor before: Yu Mingyong Inventor before: Zhao Hui Inventor before: Wang Yanhui |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FU JIAN; SONG BO; WANG BO; YU MINGYONG; ZHAO HUI; WANG YANHUI TO: WANG BO;SONG BO; FU JIAN; YU MINGYONG; ZHAO HUI; WANG YANHUI; WANG JINFENG; ZHANG FANG; LIU XIN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20080725 Address after: Gudao oil production plant, Gudao Town, Hekou District, Shandong, Dongying, China: 257231 Patentee after: Gudao Oil Extraction Site, Shengli Oil Field Branch, SINOPEC Address before: Reservoir No. 1, Gudao oil production plant, Gudao Town, Hekou District, Shandong, Dongying province 257231 Patentee before: Fu Jian |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |