摘要
通过分析山西煤层气L型井施工的技术特点,总结L型水平井导向技术流程,建立着陆导向和水平段导向两个阶段的井眼轨迹调控模型,形成了现场导向时极具可操作性的煤层气L型水平井导向技术方法。2015年在现场实施应用5口井,取得了煤层钻遇率提高5.72%、钻井周期缩短1.35天的良好应用效果。
By analyzing the technical characteristics of L-type CBM well construction in Shanxi,the paper summarizes the flow of steering technology for L-type horizontal well,establishes the well path control models based on the two sections of landing geo-steering and horizontal geo-steering,and forms the steering technology with the operability for L-type horizontal well.With the onsite implementation of 5 wells in2015,this technology has achieved good effect of increasing the drilling rate of coal seam by 5.72%and reducing the drilling cycle by 1.35 days.
出处
《中国煤层气》
2016年第2期19-22,共4页
China Coalbed Methane
