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利用3维加速度计和3维磁通门的数据来计算测井或钻井时的井斜角、井斜方位角和仪器方位角等井的姿态参数已经相继在地层倾角测井仪、高精度连续测斜仪和随钻测量系统中得到了应用。本文从工程实现和实时处理的角度提出的一种算法具有运算速度快和精度较高的特点。实现该算法的设奋已装配到有关仪器上开始为油田服务。
Using 3-D accelerometer and 3-dimensional fluxgate data to calculate well inclination, well inclination azimuth and instrument azimuth, etc. well attitude parameters have been successively measured in the formation dip tool, high precision continuous Inclinometer and MWD measurement system has been applied. In this paper, an algorithm proposed from the perspective of engineering realization and real-time processing has the characteristics of high computing speed and high accuracy. Endeavor to implement this algorithm has been assembled on the instrument to begin serving the field.