INTERNATIONAL PATENT: CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司, CNPC GREATWALL DRILLING COMPANY, 中国石油集团长城钻探工程有限公司 FILES APPLICATION FOR "FRAC-HIT CHANNEL IDENTIFICATION METHOD AND APPARATUS AND DEVICE"

Posted On: 2026-01-04

GENEVA, Jan. 4 -- CHINA NATIONAL PETROLEUM CORPORATION (9 Dongzhimen North Street,Dongcheng District, Beijing 100007), 中国石油天然气集团有限公司 (中国北京市东城区东直门北大街9号), CNPC GREATWALL DRILLING COMPANY (Mingren Tower, NO.101 Anli Rd,Chaoyang District, Beijing 100101), 中国石油集团长城钻探工程有限公司 (中国北京市朝阳区安立路101号名人大厦) filed a patent application (PCT/CN2024/...

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INTERNATIONAL PATENT: CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司, CNPC GREATWALL DRILLING COMPANY, 中国石油集团长城钻探工程有限公司 FILES APPLICATION FOR "FRAC-HIT CHANNEL IDENTIFICATION METHOD AND APPARATUS AND DEVICE"