Petrochemicals
| Sun 24 Mar 2024
Alexandria, March 24 -- China Petroleum & Chemical Corp and Sinopec Southwest Oil & Gas have been awarded a patent for sliding sleeve device. This invention was developed by Hou Zhimin, Hu Dan, Wang Qiang, Zhou Yijun, Qian Jiang, Chen Chen, Liu Tao, Ci Jianfa, Pang Wenfeng and Teng Wenjiang.
The patent application number is U..