FIELD: oil and gas production.
SUBSTANCE: bottomhole apparatus measuring pressure and temperature are arranged in main borehole before and after entrance to offshoot. Upon debugging well under a stable mode it is shut off. There is determined the curve of pressure recovery. The well is start-up with increase or decrease of yield relative to stable yield. The well is put into operation under the stable mode. Pressure and temperature are continuously measured. Rate of influx of each offshoot is determined on base of data of amplitude of temperature changes under anew set stable mode.
EFFECT: facilitating survey of multi-hole horizontal wells.
3 dwg
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