DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., Ltd
5 patents in portfolio
- US12480372utility2025Positioning and Orientating Apparatus for Branch Well, and Positioning and Orientating Method0 cites
- US12291668utility2025Coated Rubber Particle, Its Preparation and Application Thereof0 cites
- US12049792utility2024Double-channel Fluid Injection Apparatus0 cites
- US11946334utility2024Flow Splitting Device for Gas Reverse Circulation Drilling0 cites