CN201121494Y - 钻具减阻器 - Google Patents
钻具减阻器 Download PDFInfo
- Publication number
- CN201121494Y CN201121494Y CNU2007200809789U CN200720080978U CN201121494Y CN 201121494 Y CN201121494 Y CN 201121494Y CN U2007200809789 U CNU2007200809789 U CN U2007200809789U CN 200720080978 U CN200720080978 U CN 200720080978U CN 201121494 Y CN201121494 Y CN 201121494Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- drilling tool
- drag reduction
- rolling
- friction
- 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 title abstract description 48
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 239000006096 absorbing agent Substances 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 7
- 230000033001 locomotion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200809789U CN201121494Y (zh) | 2007-09-10 | 2007-09-10 | 钻具减阻器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200809789U CN201121494Y (zh) | 2007-09-10 | 2007-09-10 | 钻具减阻器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201121494Y true CN201121494Y (zh) | 2008-09-24 |
Family
ID=40008720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200809789U Expired - Fee Related CN201121494Y (zh) | 2007-09-10 | 2007-09-10 | 钻具减阻器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201121494Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102493771A (zh) * | 2011-11-30 | 2012-06-13 | 中国石油集团川庆钻探工程有限公司 | 滚珠减阻器 |
CN103334704A (zh) * | 2013-06-27 | 2013-10-02 | 济源市石油机械有限公司 | 可自转可公转滚动式抽油杆防偏磨接箍 |
CN104481401A (zh) * | 2015-01-05 | 2015-04-01 | 西南石油大学 | 一种新型石油与天然气井下减摩降阻装置 |
-
2007
- 2007-09-10 CN CNU2007200809789U patent/CN201121494Y/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102493771A (zh) * | 2011-11-30 | 2012-06-13 | 中国石油集团川庆钻探工程有限公司 | 滚珠减阻器 |
CN103334704A (zh) * | 2013-06-27 | 2013-10-02 | 济源市石油机械有限公司 | 可自转可公转滚动式抽油杆防偏磨接箍 |
CN103334704B (zh) * | 2013-06-27 | 2015-12-09 | 济源市石油机械有限公司 | 可自转可公转滚动式抽油杆防偏磨接箍 |
CN104481401A (zh) * | 2015-01-05 | 2015-04-01 | 西南石油大学 | 一种新型石油与天然气井下减摩降阻装置 |
CN104481401B (zh) * | 2015-01-05 | 2016-08-17 | 西南石油大学 | 一种新型石油与天然气井下减摩降阻装置 |
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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: 20081205 Address after: Two south section of Zhongshan Road, Sichuan, Guanghan Province, China: 618300 Patentee after: Drilling Technology Institute, Chuanqing Drilling Engineering Co.,Ltd. of China National Petroleum Corp. Address before: The two section of South Zhongshan Road, Guanghan, Sichuan Province, China, 618300 Patentee before: Drilling and production technology Research Institute of Sichuan Petroleum Administration |
|
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP CHUANQING DRILLING ENGINEERI Free format text: FORMER OWNER: SICHUAN PETROLEUM ADMINISTRATION DRILLING CRAFT TECHNOLOGY RESEARCH INSTITUTE Effective date: 20081205 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20150910 |
|
EXPY | Termination of patent right or utility model |