GENEVA, Dec. 8 -- SHIJIAZHUANG ZHIDI PETROLEUM ENGINEERING TECHNOLOGY CO., LTD (Room 809, Ximei Building, No.6 Jianshe South Street, Qiaoxi DistrictShijiazhuang, Hebei 050000), 石家庄之迪石油工程技术有限责任公司 (中国河北省石家庄市桥西区建设南大街6号西美大厦809室) filed a patent application (PCT/CN2025/093784) for "LIQUID ACCUMULATION-FREE PRODUCTION AND DRAINAGE SYSTEM FOR OIL-GAS WELL" on May 09, 2025. With publication no. WO/2025/246858, the details related to the patent application was published on De...
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