Xiaohua Zhu

Experimental and numerical study of drill pipe erosion wear in gas drilling

Equations to calculate collapse strength of defective casing for steam injection wells

Failure analysis and solution studies on drill pipe thread gluing at the exit side of horizontal directional drilling

Plastic limit analysis of defective casing for thermal recovery wells

Analysis of reamer failure based on vibration analysis of the rock breaking in horizontal directional drilling

Eccentric center-adjustable reducing stabilizer

Compound anti-wear torque-reducing tool

Wellbore cleaning tool used in well drilling

Novel erosion-resistant cage sleeve throttle valve

Rubber-type casing wear prevention tool