US Patent Issued to CHINA PETROLEUM & CHEMICAL, SINOPEC OILFIELD SERVICE, SINOPEC SHENGLI PETROLEUM ENGINEERING, DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING on Nov. 25 for "Positioning and orientating apparatus for branch well, and positioning and orientating method" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,372, issued on Nov. 25, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing), SINOPEC OILFIELD SERVICE Corp. (Beijing), SINOPEC SHENGLI PETROLEUM ENGINEERING Co. LTD (Shandong, China) and DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co. LTD (Shandong, China).

"Positioning and orientating apparatus for branch well, and positioning and orientating method" was invented by Honglin Tang (Shandong, China), Han Liu (Shandong, China), Hui Zhang (Shandong, China), Zhonghua Wu (Shandong, China), Chunxu Yang (Shandong, China), Yong Chen (Shandong, China), Zongfeng Zhao (Shandong, China), Chuanwei Zhao (Shandong, China), Rui Zhang (Shandong, China) and...