FIELD: oil and gas industry.
SUBSTANCE: expanding tool includes housing with flowing channel and blades, wiring located inside the channel with possibility of transmission at least of electric power or data, processor connected to wiring, and sensor connected to the housing and to wiring with possibility of transmission to the processor of the data measured with sensor through wiring.
EFFECT: operating reliability of expanding tool in well is enhanced.
17 cl, 23 dwg
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