CN2553098Y - 破碎岩取心工具 - Google Patents
破碎岩取心工具 Download PDFInfo
- Publication number
- CN2553098Y CN2553098Y CN 02235870 CN02235870U CN2553098Y CN 2553098 Y CN2553098 Y CN 2553098Y CN 02235870 CN02235870 CN 02235870 CN 02235870 U CN02235870 U CN 02235870U CN 2553098 Y CN2553098 Y CN 2553098Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02235870 CN2553098Y (zh) | 2002-05-17 | 2002-05-17 | 破碎岩取心工具 |
Applications Claiming Priority (1)
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CN 02235870 CN2553098Y (zh) | 2002-05-17 | 2002-05-17 | 破碎岩取心工具 |
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CN2553098Y true CN2553098Y (zh) | 2003-05-28 |
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CN 02235870 Expired - Lifetime CN2553098Y (zh) | 2002-05-17 | 2002-05-17 | 破碎岩取心工具 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107178331A (zh) * | 2017-06-14 | 2017-09-19 | 中石化石油工程技术服务有限公司 | 一种钻井取心用复合衬筒 |
CN109779553A (zh) * | 2019-03-07 | 2019-05-21 | 中国地质科学院勘探技术研究所 | 一种全封闭岩心取样装置 |
CN110735603A (zh) * | 2019-10-24 | 2020-01-31 | 中煤科工集团西安研究院有限公司 | 潜孔锤用分体式柱片复合钻头 |
CN112282683A (zh) * | 2020-11-05 | 2021-01-29 | 侯鑫凯 | 一种高效型钻井用钻头组件 |
CN114635657A (zh) * | 2021-11-16 | 2022-06-17 | 中国石油天然气集团有限公司 | 一种适用于破碎地层取心的钻井取心装置和取心工艺 |
-
2002
- 2002-05-17 CN CN 02235870 patent/CN2553098Y/zh not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107178331A (zh) * | 2017-06-14 | 2017-09-19 | 中石化石油工程技术服务有限公司 | 一种钻井取心用复合衬筒 |
CN109779553A (zh) * | 2019-03-07 | 2019-05-21 | 中国地质科学院勘探技术研究所 | 一种全封闭岩心取样装置 |
CN110735603A (zh) * | 2019-10-24 | 2020-01-31 | 中煤科工集团西安研究院有限公司 | 潜孔锤用分体式柱片复合钻头 |
CN112282683A (zh) * | 2020-11-05 | 2021-01-29 | 侯鑫凯 | 一种高效型钻井用钻头组件 |
CN114635657A (zh) * | 2021-11-16 | 2022-06-17 | 中国石油天然气集团有限公司 | 一种适用于破碎地层取心的钻井取心装置和取心工艺 |
CN114635657B (zh) * | 2021-11-16 | 2024-05-28 | 中国石油天然气集团有限公司 | 一种适用于破碎地层取心的钻井取心装置和取心工艺 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP POHAI DRILLING ENGINEERING C Free format text: FORMER OWNER: DAGANG OILFIELD GROUP CO., LTD. Effective date: 20090508 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: No. 106 Huang Hai Road, Tianjin economic and Technological Development Zone, post code: 300457 Patentee after: CNPC Bohai Drilling Engineering Co., Ltd. Address before: Refco Group Ltd, Dagang Oilfield No. three, Dagang Oilfield, Grand Port, Tianjin, zip code: 300280 Co-patentee before: Drilling engineering company of Dagang Oilfield Group Patentee before: Dagang Oilfield Refco Group Ltd |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20120517 Granted publication date: 20030528 |