CN206190248U - 旋转式井壁取芯器及反馈控制阀 - Google Patents
旋转式井壁取芯器及反馈控制阀 Download PDFInfo
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CN201621079511.8U CN206190248U (zh) | 2016-09-26 | 2016-09-26 | 旋转式井壁取芯器及反馈控制阀 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667556A (zh) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | 液压坐封工具及其压力平衡上接头 |
CN112963539A (zh) * | 2021-04-29 | 2021-06-15 | 四川大学 | 一种高温高压旋转动密封机构 |
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2016
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667556A (zh) * | 2017-10-13 | 2019-04-23 | 中国石油化工股份有限公司 | 液压坐封工具及其压力平衡上接头 |
CN109667556B (zh) * | 2017-10-13 | 2021-05-14 | 中国石油化工股份有限公司 | 液压坐封工具及其压力平衡上接头 |
CN112963539A (zh) * | 2021-04-29 | 2021-06-15 | 四川大学 | 一种高温高压旋转动密封机构 |
CN112963539B (zh) * | 2021-04-29 | 2022-02-01 | 四川大学 | 一种高温高压旋转动密封机构 |
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Effective date of registration: 20180810 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: Central Plains geophysical log company of petroleum works Co., Ltd of China Petrochemical Industry Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Co-patentee before: Central Plains geophysical log company of petroleum works Co., Ltd of China Petrochemical Industry Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220129 Address after: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: PHYSICAL GEOGRAPHY LOGGING COMPANY OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO.,LTD. Patentee before: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. |
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