FIELD: well drilling. SUBSTANCE: device for delivery of geophysical instruments into horizontal well has clamps and additional weight in form of sections made for their stringing on logging cable. Locking members are made on the ends of sections and clamps. Additional weight is located above the upper clamp on logging cable. Weight sections are tubular with slot for logging cable. Lowering of geophysical instrument is accomplished with simultaneous stringing-on of the required number of weight sections. Disassembly of weight in lifting the logging instrument is effected using the reverse procedure. Locking members are made in form of nipples and couplings. Nipple has locking projection which enters the slot of coupling when they are jointed. EFFECT: higher efficiency. 3 dwg
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