DeRun Energy Co Ltd Drilling Motor Optional:1-Straight Drilling Motor&Adjustable Drilling Motor2-FBHï¼fixed bend housingï¼ABHï¼adjustable bend housingï¼0-3°3-WBM&OBM drilling environment4-120â regular temperature and 150â high temperature drilling motor5-Even Wall Thickness Mud Motor6-NBR rubber&NBR-HR Stator Rubber Technology7-bypass valve&top sub connection8-different stator/rotor lobes:5:6 7:8 9:109-Chroming and tungsten carbide rotor coating10-Ball Type Universal Shaft and Petal Type and Titanium Shaft