Patents/Inventors

Yongmao Lin

SichuanCN1 patent

2 Patents

US122155802025
Differential Pressure Sliding Sleeve, and Oil and Gas Well Fracturing Construction Method Using Same
SINOPEC SOUTHWEST OIL & GAS COMPANY
0 cites
US118852012024
Sliding Sleeve
Sinopec Southwest Oil & Gas Company
0 cites