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在地学测量中尤其对于井下地壳形变测量系统,观测数据的质量除了取决于仪器本身的性能外还直接受到钻孔条件的影响,包括钻孔所处的地理环境、地质构造,以及钻孔施工质量等。本文旨在探讨钻孔质量对钻孔观测的影响,提出通过多种测井技术的试验研究与集成,研制钻孔质量综合检测系统,实现对钻孔井径、倾斜、地下水活动程度及裂隙发育情况的综合检测,为得到优质井下观测数据,避免造成人力、物力、财力的巨大浪费提供有力的技术保障。
In geodesy, especially for downhole crust deformation measurement systems, the quality of the observed data is directly affected by the drilling conditions, including the geographical environment in which the borehole is located, the geological structure, and the quality of borehole construction, in addition to the performance of the instrument itself Wait. The purpose of this paper is to explore the influence of borehole quality on borehole observation. It is proposed that a comprehensive testing system of borehole quality should be developed through experimental research and integration of various well logging technologies, and the drilling borehole diameter, inclination, groundwater activity and fracture development Comprehensive detection of the situation, in order to obtain high-quality downhole observation data, to avoid causing a huge waste of manpower, material and financial resources to provide a strong technical support.