CN212154655U - 一种钻井用微扩眼清砂工具 - Google Patents
一种钻井用微扩眼清砂工具 Download PDFInfo
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Effective date of registration: 20210414 Address after: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Pipe tool technical service center of Sinopec Shengli Petroleum Engineering Co.,Ltd. Address before: 257000 No.29 Feicheng Road, Shengli Industrial Park, Dongying District, Dongying City, Shandong Province Patentee before: Pipe tool technical service center of Sinopec Shengli Petroleum Engineering Co.,Ltd. |