井下陀螺定向的重要性及其精度分析

Analysis of the Importance and Accuracy of Gyro-orientation Technique

贯通测量中加测陀螺定向边来提高贯通导线的方位精度已成定论。文章主要阐述了陀螺定向在贯通测量中的重要性,推导了陀螺定向使贯通横向精度的增益率,最后以实例提出了井下陀螺定向的有益建议。

In the breakthrough survey, to improve orientation accuracy by appending Gyro-orientation border has been recognized. This paper mainly illustrated the importance of Gyro - orientation in breakthrough survey, deduced the gain percent of lateral breakthrough accuracy, and fmally put forward some useful advances about Gyro- orientation by providing cases.