CN208456502U - 一种五段制井缓解定向托压的钻柱组合结构 - Google Patents
一种五段制井缓解定向托压的钻柱组合结构 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110567623A (zh) * | 2019-08-31 | 2019-12-13 | 中国石油集团川庆钻探工程有限公司 | 钻具扭力分析方法和确定水力振荡器安装位置的方法 |
CN111577135A (zh) * | 2020-06-02 | 2020-08-25 | 江苏新源矿业有限责任公司 | 一种径向钻井定向装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110567623A (zh) * | 2019-08-31 | 2019-12-13 | 中国石油集团川庆钻探工程有限公司 | 钻具扭力分析方法和确定水力振荡器安装位置的方法 |
CN110567623B (zh) * | 2019-08-31 | 2021-03-09 | 中国石油集团川庆钻探工程有限公司 | 确定水力振荡器在钻具上安装位置的方法 |
CN111577135A (zh) * | 2020-06-02 | 2020-08-25 | 江苏新源矿业有限责任公司 | 一种径向钻井定向装置 |
CN111577135B (zh) * | 2020-06-02 | 2022-03-29 | 江苏新源矿业有限责任公司 | 一种径向钻井定向装置 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Economic Development Zone, No. 83, No. second main street, Tianjin, China Petroleum Building, Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210330 |