INTERNATIONAL PATENT: SHENGLI OIL FIELD LIFENG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD, 胜利油田利丰石油设备制造有限公司 FILES APPLICATION FOR "SELF-PROPELLED INTELLIGENT CROWN BLOCK LIFTING APPARATUS FOR ASSEMBLING AND DISASSEMBLING PETROLEUM DRILLING DERRICK"

GENEVA, May 17 -- SHENGLI OIL FIELD LIFENG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD (7 Fenghuangshan Road, Dongying DistrictDongying, Shandong 257100), 胜利油田利丰石油设备制造有限公司 (中国山东省东营市东营区凤凰山路7号) filed a patent application (PCT/CN2025/095620) for "SELF-PROPELLED INTELLIGENT CROWN BLOCK LIFTING APPARATUS FOR ASSEMBLING AND DISASSEMBLING PETROLEUM DRILLING DERRICK" on May 19, 2025. With publication no. WO/2026/097819, the details related to the patent application was published on May 15, 2026.

Notably, the patent application w...