Patents/Inventors

Huangang Zhu

ShandongCN1 patent

2 Patents

US120497922024
Double-channel Fluid Injection Apparatus
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., Ltd.
0 cites
US119463342024
Flow Splitting Device for Gas Reverse Circulation Drilling
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., Ltd
0 cites