GYROINCLINOMETER COMPLEX Russian patent published in 1996 - IPC

FIELD: hole drilling. SUBSTANCE: gyroinclinometer complex incorporated ground equipment and down-hole logging instrument carrying three-degree gyroscope with outer axis directed along longitudinal axis of instrument. Apart from these complex is supplemented with ground setting system. Setting system is composed of units of computer, constants input analyzer, key element and unit of sensitive elements. For period of setting unit of sensitive elements is unambiguously mechanically joined to case of down-hole logging instrument. When down-hole instrument is immobile computer unit determines zenith and apsidal angles and azimuth of inclination plane of unit of sensitive elements by information from sensitive elements - two-component accelerometer and gyroscopic transducer of angular velocity and consequently of down-hole logging instrument. Analyzer unit is controlled by key element which breaks communication channel of computer and ground equipment to block information generation into ground equipment in case of occasional movements of down-hole logging instrument. EFFECT: improved precision in determination of spatial position of axes of boreholes. 1 dwg