FIELD: geophysical studies and operations in wells bored for oil and gas. SUBSTANCE: method includes high-frequency induction logging isoparametric sounding with measurement of five phase differences as minimum, isolation of collectors and technogenic electrical inhomogeneity. When bordering zone is located boring is directed upwards to level at which sounding does not fix bordering zone. This level is taken as reference for control and further correction of boring trajectory. If bordering zone appears and phase difference grows boring is directed upwards, in case of monotonous fall of phase difference boring is directed downwards. EFFECT: enhanced productivity and accuracy of driving of horizontal wells. 4 dwg
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