CN2844402Y - 石油钻具液压旋扣机 - Google Patents
石油钻具液压旋扣机 Download PDFInfo
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- CN2844402Y CN2844402Y CN 200520079353 CN200520079353U CN2844402Y CN 2844402 Y CN2844402 Y CN 2844402Y CN 200520079353 CN200520079353 CN 200520079353 CN 200520079353 U CN200520079353 U CN 200520079353U CN 2844402 Y CN2844402 Y CN 2844402Y
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Application Number | Priority Date | Filing Date | Title |
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CN 200520079353 CN2844402Y (zh) | 2005-08-31 | 2005-08-31 | 石油钻具液压旋扣机 |
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CN 200520079353 CN2844402Y (zh) | 2005-08-31 | 2005-08-31 | 石油钻具液压旋扣机 |
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CN2844402Y true CN2844402Y (zh) | 2006-12-06 |
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CN 200520079353 Expired - Fee Related CN2844402Y (zh) | 2005-08-31 | 2005-08-31 | 石油钻具液压旋扣机 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101680279B (zh) * | 2007-03-22 | 2013-05-15 | 国民油井华高有限合伙公司 | 用于使连接器具在钻机上运动的设备和方法 |
CN103806854A (zh) * | 2014-01-29 | 2014-05-21 | 上海久卓机电设备有限公司 | 铁钻工 |
CN104863530A (zh) * | 2015-04-28 | 2015-08-26 | 南通金牛机械制造有限公司 | 便携式铁钻工收缩机构 |
CN113445941A (zh) * | 2021-08-02 | 2021-09-28 | 兰州兰石石油装备工程股份有限公司 | 电驱动钻台管具扶持机械臂 |
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2005
- 2005-08-31 CN CN 200520079353 patent/CN2844402Y/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101680279B (zh) * | 2007-03-22 | 2013-05-15 | 国民油井华高有限合伙公司 | 用于使连接器具在钻机上运动的设备和方法 |
CN103806854A (zh) * | 2014-01-29 | 2014-05-21 | 上海久卓机电设备有限公司 | 铁钻工 |
CN104863530A (zh) * | 2015-04-28 | 2015-08-26 | 南通金牛机械制造有限公司 | 便携式铁钻工收缩机构 |
CN113445941A (zh) * | 2021-08-02 | 2021-09-28 | 兰州兰石石油装备工程股份有限公司 | 电驱动钻台管具扶持机械臂 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LANZHOU TENGDA PETROLEUM DRILLING EQUIPMENT MANUFA Free format text: FORMER OWNER: TENGDA HYDRAULIC PNEUMATIC COMPLETE SET CO., LTD., LANZHOU Effective date: 20120316 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 730060 LANZHOU, GANSU PROVINCE TO: 730070 LANZHOU, GANSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120316 Address after: 730070 Anning District hi tech Industrial Park, Lanzhou, Gansu province (beside the snowflake brewery) Patentee after: Lanzhou Tengda oil drilling equipment manufacturing Co., Ltd. Address before: Gansu Province, Lanzhou City, 730060 West East Road No. 10 Patentee before: Tengda Hydraulic Pneumatic Complete Set Co., Ltd., Lanzhou |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20140831 |
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EXPY | Termination of patent right or utility model |