DEVICE FOR CONTROLLING RELATIVE VISCOSITY OF FLUSHING FLUID CIRCULATION SYSTEM OF DRILL HOLE Russian patent published in 2016 - IPC E21B21/01 E21B21/06 

Abstract RU 2588591 C1

FIELD: oil and gas industry.

SUBSTANCE: device comprises an accumulation tank with mesh filter and an outlet hole which is hydraulically connected with calibrated jet device. Accumulation tank has intake nozzle to be secured at bottom horizontal transfer section of circulation system of drill hole. Jet device is multi-channel. Between it and outlet of accumulating tank there is a branch pipe with removable ultrasonic flowmeter sensor, electrically connected to computer information-measurement system. Jet device has number of channels, which provides in pipe fluid speed within range of measuring speed of flow meter.

EFFECT: continuous and automated control of viscosity, reduced labour intensity and time costs, higher quality of technological operations in well.

1 cl, 1 dwg

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RU 2 588 591 C1

Authors

Malyuga Anatolij Georgievich

Sherstnev Sergei Nikolaevich

Dates

2016-07-10Published

2015-05-06Filed