COMPLEX OF WELL INCLINOMETRIC EQUIPMENT AND METHOD OF WELL PATH DETERMINATION Russian patent published in 2002 - IPC

FIELD: complexes for measurement and research of paths of oil, gas, geothermal, iron ore and other wells. SUBSTANCE: projections of components of the Earth angular velocity on two sensitivity axes of azimuth transducer and projection of free fall acceleration of accelerometer sensitive axis are measured. Preliminary adjustment of inclinometer in stationary conditions is carried out at latitude of test site. Obtained data are introduced into computer memory. In performance of full-scale tests, obtained values are compared with data introduced into computer memory, and actual values of azimuth and zenith angles in each well measurement point in function of depth are calculated. Accuracy of measurements is enhanced due to the fact that in calculation of actual azimuth angles only linear parts of output characteristics of azimuth transducer are taken in consideration, and nonlinear sections are used only in determination of unambiquity of obtained results. EFFECT: higher accuracy of measurements. 2 cl, 6 dwg