Rotary-steerable drilling provides unique features such as an extended reach and accurate
well trajectory control. These characteristics can notably increase drilling efficiency and …

钻进过程的高速旋转和强振动, 使得测量钻具姿态的三轴惯性加速度计信号中叠加了离心加速度
和振动加速度, 导致工具姿态测量结果严重失真. 针对由三轴惯性加速度计, 三轴磁通门和角速率 …

In the process of the attitude measurement for a steering drilling system, the measurement of
the attitude parameters may be uncertain and unpredictable due to the influence of server …

Problem statement: An optimal control on two axes and design for solar tracker which called
altitude and azimuth is challenge. Approach: The phototransistor with the shade that blocks …

In the oil drilling process, measurement-while-drilling system is usually used to provide real-
time monitoring of the position and orientation of the bottom hole. Usually the bottom drill …

Various logging-while-drilling (LWD) and seismic-while-drilling (SWD) tools offer
opportunities to obtain geological information near the bottomhole assembly during the …

Aiming at the inability to achieve high-precision real-time magnetic heading angle
estimation under single degree of freedom rotation, a novel attitude measurement while …

While drilling, the drilling tool can reach the target layer more quickly and efficiently with the
accurate borehole trajectory information. It can reduce the drilling cost. However, in the …

The measurement-while-drilling (MWD) system is mainly used to draw borehole trajectory in
a coal mine. However, its measurement error directly demonstrates a deviation between the …

The high-speed rotation and strong vibration during drilling cause the centrifugal
acceleration and vibration acceleration to be superimposed on signals of the triaxial inertial …