Author

Kai-Feng Chen

2 papers indexed here

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Open access Oct 2026

Friction Reduction and Buckling Behavior of a Horizontal Drill String Under Axial Vibration

Severe drill-string–wellbore friction during slide drilling limits axial-load transfer and reduces drilling efficiency in extended-reach horizontal wells. To investigate the mechanical response of a horizontal drill string under axial vibration, a three-dimensional geometrically nonlinear finite element model was devel...

Quan Zhang, Ning Li, Zhi Zhang et al. · Energies · 0 citations

Open access Aug 2026

Effect of Microalloying Elements on the Microstructure and Elevated-Temperature Mechanical Behavior of High-Strength Drill Pipe Steel

The mechanical behavior of S135 and V150 (Mo-V-Nb microalloyed) drill pipe steels was systematically investigated at room temperature (RT) and elevated temperatures (100–300 °C), alongside the microstructural evolution after long-term thermal exposure at 310 °C (200–500 h). V150 steel exhibits a superior RT yield stren...

Yu-Guang Fan, Ning Li, Kai-Feng Chen et al. · Metals · 0 citations