FIELD: oil and gas industry, particularly survey of boreholes or wells.
SUBSTANCE: device has working chamber, pressure and temperature control means, impulse tube to which differential pressure transducer is connected. Impulse tube is filled with reference fluid and connected to above working chamber in points spaced apart in vertical direction along working chamber. Upper part of working chamber is connected to access hole of wellhead. Lower end thereof is communicated with atmosphere.
EFFECT: increased efficiency and accuracy of water content determination.
2 dwg
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