CN211666706U - 一种井下低渗透地层封隔器用推靠臂 - Google Patents
一种井下低渗透地层封隔器用推靠臂 Download PDFInfo
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CN112523716A (zh) * | 2019-08-29 | 2021-03-19 | 中石化石油工程技术服务有限公司 | 一种井下低渗透地层封隔器及其应用方法 |
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CN112523716A (zh) * | 2019-08-29 | 2021-03-19 | 中石化石油工程技术服务有限公司 | 一种井下低渗透地层封隔器及其应用方法 |
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Effective date of registration: 20220216 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli logging company of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: WELL LOGGING COMPANY, SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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