2 Patents
- US124803722025Positioning and Orientating Apparatus for Branch Well, and Positioning and Orientating Method
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., Ltd
0 cites - US119463342024Flow Splitting Device for Gas Reverse Circulation Drilling
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., Ltd
0 cites