为了实现依据钻柱动力学的井眼轨迹控制,应特别重视钻柱振动特性与钻头受力状况的相互影响。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
对比了在不同水泥胶结质量、套管状况和井眼条件下的套管井与裸眼井声波测井资料,归纳出了过套管声波测井的使用条件和局限性。
Based on comparison of acoustic data logged in different conditions of cementation, casing and borehole, the applicable condition and limitation of through-casing acoustic logging are summarized.
用旋转导向系统RSDS进行大位移井钻井,可望相当准确的控制井眼轨迹,大幅度减少钻柱所受的摩阻和扭矩,显著改善井眼的清洁状况。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
应用推荐