CN213063548U - 一种新型钻测过渡短节 - Google Patents
一种新型钻测过渡短节 Download PDFInfo
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Effective date of registration: 20220210 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Southwest measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: Logging branch of Sinopec Southwest Petroleum Engineering Co., Ltd |