ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,543, issued on March 25, was assigned to Yantai Jereh Petroleum Equipment & Technologies Co. Ltd. (Yantai, China).
"Oil-gas treatment system, oil-gas treatment method and mechanical apparatus" was invented by Peng Zhang (Shandong, China), Rikui Zhang (Shandong, China), Jianwei Wang (Shandong, China), Xiaolei Ji (Shandong, China), Zhuqing Mao (Shandong, China), Liang Lv (Shandong, China) and Xincheng Li (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil-gas treatment system, an oil-gas treatment method and a mechanical apparatus are disclosed. The oil-gas treatment system includes an oil-gas separation device and a first oil-gas ...