CN2813883Y - 新型钻杆浮阀 - Google Patents
新型钻杆浮阀 Download PDFInfo
- Publication number
- CN2813883Y CN2813883Y CN 200520079204 CN200520079204U CN2813883Y CN 2813883 Y CN2813883 Y CN 2813883Y CN 200520079204 CN200520079204 CN 200520079204 CN 200520079204 U CN200520079204 U CN 200520079204U CN 2813883 Y CN2813883 Y CN 2813883Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- drilling rod
- valve plate
- plate
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 210000002445 nipple Anatomy 0.000 claims description 11
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
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Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520079204 CN2813883Y (zh) | 2005-08-05 | 2005-08-05 | 新型钻杆浮阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520079204 CN2813883Y (zh) | 2005-08-05 | 2005-08-05 | 新型钻杆浮阀 |
Publications (1)
Publication Number | Publication Date |
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CN2813883Y true CN2813883Y (zh) | 2006-09-06 |
Family
ID=36948969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520079204 Expired - Lifetime CN2813883Y (zh) | 2005-08-05 | 2005-08-05 | 新型钻杆浮阀 |
Country Status (1)
Country | Link |
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CN (1) | CN2813883Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105814275A (zh) * | 2013-12-13 | 2016-07-27 | 哈里伯顿能源服务公司 | 用于在随钻下套管操作中使用拴系浮阀取回井底总成 |
CN113669485A (zh) * | 2021-07-26 | 2021-11-19 | 青岛宏新天机械有限公司 | 可自动回位式止回阀的止回方法 |
-
2005
- 2005-08-05 CN CN 200520079204 patent/CN2813883Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105814275A (zh) * | 2013-12-13 | 2016-07-27 | 哈里伯顿能源服务公司 | 用于在随钻下套管操作中使用拴系浮阀取回井底总成 |
CN105814275B (zh) * | 2013-12-13 | 2017-08-25 | 哈里伯顿能源服务公司 | 用于在随钻下套管操作中使用拴系浮阀取回井底总成 |
CN113669485A (zh) * | 2021-07-26 | 2021-11-19 | 青岛宏新天机械有限公司 | 可自动回位式止回阀的止回方法 |
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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: 20090109 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: 20090109 |
|
CX01 | Expiry of patent term |
Expiration termination date: 20150805 Granted publication date: 20060906 |
|
EXPY | Termination of patent right or utility model |