承德黑山矿区钻孔纠斜技术及防斜技术措施

Borehole Deviation Correcting and Controlling Technical Measures in Heishan Mining Area of Chengde

摘要:

近两年，河北承德黑山矿区钻孔顶角、方位超差一直是困扰地质技术人员和钻探施工人员的一大难题，针对生产实际问题，采用LZ-73（89）造斜器进行纠偏，取得了较好的效果。此外，在分析钻孔跑偏的主要原因和总结施工经验的基础上，提出了预防钻孔偏斜的技术措施，实践证明措施科学有效。

Abstract:

Azimuth error and borehole top angle oversize were the difficult problems in drilling construction in Heishan mining area of Chengde. LZ-73（89）whipstock was used for deviation correction with good effect. Based on the analysis on the causes of borehole running deviation and summary on the construction experience, technical measures of borehole deviation prevention were put forward.