CN102278070B - 钻压稳定器 - Google Patents
钻压稳定器 Download PDFInfo
- Publication number
- CN102278070B CN102278070B CN 201110192341 CN201110192341A CN102278070B CN 102278070 B CN102278070 B CN 102278070B CN 201110192341 CN201110192341 CN 201110192341 CN 201110192341 A CN201110192341 A CN 201110192341A CN 102278070 B CN102278070 B CN 102278070B
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- Prior art keywords
- sleeve
- spring
- pressure stabilizer
- end cover
- connecting 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.)
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110192341 CN102278070B (zh) | 2011-07-11 | 2011-07-11 | 钻压稳定器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110192341 CN102278070B (zh) | 2011-07-11 | 2011-07-11 | 钻压稳定器 |
Publications (2)
Publication Number | Publication Date |
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CN102278070A CN102278070A (zh) | 2011-12-14 |
CN102278070B true CN102278070B (zh) | 2013-06-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201110192341 Active CN102278070B (zh) | 2011-07-11 | 2011-07-11 | 钻压稳定器 |
Country Status (1)
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CN (1) | CN102278070B (zh) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199131A (en) * | 1977-09-23 | 1980-04-22 | Otis Engineering Corporation | Actuator module for wireline cutting safety valve |
CN2192717Y (zh) * | 1994-03-29 | 1995-03-22 | 陈玉祥 | 新型机械式修井上击器 |
CN2228977Y (zh) * | 1994-09-02 | 1996-06-12 | 华北石油管理局油气井测试公司 | 直读电子压力计双向定位装置 |
US7086462B2 (en) * | 2004-06-04 | 2006-08-08 | Deltide Fishing And Rental Tools, Inc. | Wellbore anchor tool |
CN101235707A (zh) * | 2008-01-10 | 2008-08-06 | 林中 | 一种钻井钻柱工作状态稳定器 |
CN202131991U (zh) * | 2011-07-11 | 2012-02-01 | 安东石油技术(集团)有限公司 | 钻压稳定器 |
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2011
- 2011-07-11 CN CN 201110192341 patent/CN102278070B/zh active Active
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Publication number | Publication date |
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CN102278070A (zh) | 2011-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20111214 Assignee: Beijing Tongsheng Weier Engineering Technology Co.,Ltd. Assignor: Anton Oilfield Services (Group) Ltd. Contract record no.: 2013990000889 Denomination of invention: Drilling pressure stabilizer Granted publication date: 20130626 License type: Exclusive License Record date: 20131230 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20111214 Assignee: Beijing Tongsheng Weier Engineering Technology Co.,Ltd. Assignor: Anton Oilfield Services (Group) Ltd. Contract record no.: 2013990000889 Denomination of invention: Drilling pressure stabilizer Granted publication date: 20130626 License type: Exclusive License Record date: 20131230 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221109 Address after: 100102 No.8, pingcui West Road, Chaoyang District, Beijing Patentee after: ANTON OILFIELD SERVICES (GROUP) Ltd. Patentee after: XINJIANG ANTON OIL TECHNOLOGY SERVICES Co.,Ltd. Address before: 100102, No. 8 Tsui Xi Road, East Lake, Beijing, Chaoyang District Patentee before: ANTON OILFIELD SERVICES (GROUP) Ltd. |