北京加华维尔能源技术有限公司
Exhibit Profile：
ROP Enhancement Tools for Deep Wells (Oscillating Hammer, Motor Impactor, Shock Antifriction Generator), Switch Slide Sleeve Staged Fracturing Tool, Frac Plug, MWP (measurement while positioning) system, MWD (measurement while drilling) and LWD (logging w
ROP Enhancement Tools for Deep Wells (Oscillating Hammer, Motor Impactor, Shock Antifriction Generator), Switch Slide Sleeve Staged Fracturing Tool, Frac Plug, MWP (measurement while positioning) system, MWD (measurement while drilling) and LWD (logging w
Website：www.cavaville.com