伊拉克鲁迈拉油田 S 形定向井降摩减扭技术李典伟;杨忠福;邸百英;陈绍云;王建艳【摘 要】S‐shaped directional wells in the Rumaila Oilfield are subject to large drag and torque during the drilling process and some wells experienced torques abov...