煤田钻探深水位钻孔施工体会

Experience of Borehole Construction in Deep Water Table for Coalfield Drilling

通过管外注水、调整泥浆添加剂及其它措施,解决煤田钻探深水位钻孔钻杆润滑和冷却以及烧钻等问题,取得成功的经验。解读钻探施工常规方法的适用性和遇到特殊情况的应变和突破思维以及由此带来的体会和启示。

By grouting water from outside the drill pipe,adjusting mud agents and some other methods,drill pipe lubrication,cooling and bit burning were solved for drilling in deep water table coalfield with successful experience.In this paper,the applicability of conventional methods of drilling construction,the adaptability for special cases and breakthrough thinking were interpreted,and the consequent experience and enlightenment were together presented.