CN201133240Y - 深井防卡抽子 - Google Patents
深井防卡抽子 Download PDFInfo
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- CN201133240Y CN201133240Y CN 200720311288 CN200720311288U CN201133240Y CN 201133240 Y CN201133240 Y CN 201133240Y CN 200720311288 CN200720311288 CN 200720311288 CN 200720311288 U CN200720311288 U CN 200720311288U CN 201133240 Y CN201133240 Y CN 201133240Y
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- 238000005086 pumping Methods 0.000 claims abstract description 21
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200720311288 CN201133240Y (zh) | 2007-12-17 | 2007-12-17 | 深井防卡抽子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200720311288 CN201133240Y (zh) | 2007-12-17 | 2007-12-17 | 深井防卡抽子 |
Publications (1)
Publication Number | Publication Date |
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CN201133240Y true CN201133240Y (zh) | 2008-10-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200720311288 Expired - Fee Related CN201133240Y (zh) | 2007-12-17 | 2007-12-17 | 深井防卡抽子 |
Country Status (1)
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CN (1) | CN201133240Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101575955B (zh) * | 2009-02-27 | 2013-01-02 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 低压气井抽汲阻尼器的设计方法 |
-
2007
- 2007-12-17 CN CN 200720311288 patent/CN201133240Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101575955B (zh) * | 2009-02-27 | 2013-01-02 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 低压气井抽汲阻尼器的设计方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090306 Address after: Shaanxi province Xi'an Weiyang Weiyang Road No. 151 in Changqing Garden District headquarters Changqing engineering technology and the Ministry of science and technology, zip code: 710021 Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: Department of science and technology, bureau of Exploration Bureau Changqing Changqing Garden District, Shaanxi, Xi'an 710021, China Patentee before: Changqing Petroleum Exploration Bureau |
|
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP CHUANQING DRILLING ENGINEERI Free format text: FORMER OWNER: CHANGQING PETROLEUM EXPLORATION BUREAU Effective date: 20090306 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20141217 |
|
EXPY | Termination of patent right or utility model |