Study of gas-water properties under high temperature and pressure for water-soluble gas reservoirs

The physical properties of gas and water are important in usage of gas reservoirs with water and water-soluble gas reservoirs. According to the Petroleum and Natural Gas Industry Standards SY/T5542-2009 of the People's Republic of China, by applying the crude oil multistage degassing method fro...

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Bibliographic Details
Published in:Toxicological and environmental chemistry 2015-04, Vol.97 (3-4), p.306-313
Main Authors: Du, J.F., Xiao, C., Guo, P., Shen, X.Y.
Format: Article
Language:English
Subjects:
Crude oil
experimental research
Fluid dynamics
Fluid flow
Fluids
High temperature
Natural gas
Physical properties
physical property
Pressure
PVT charts
Reservoirs
water and gas phase behavior
water-soluble gas reservoir
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Summary:The physical properties of gas and water are important in usage of gas reservoirs with water and water-soluble gas reservoirs. According to the Petroleum and Natural Gas Industry Standards SY/T5542-2009 of the People's Republic of China, by applying the crude oil multistage degassing method from the "Test Method for Reservoir fluid Physical Properties" and the formation water high-pressure property testing method described in the "Theory and Application of Reservoir Fluid Phase", this investigation employed a Ruska 2370-601A phase analyzer to obtain data regarding gas-water ratios, water volume factors, compressibility coefficients, and densities. The results showed curve trends with changes in the temperature and pressure. The gas-water ratio was compared to the gas content of subsurface samples from the X water-soluble gas reservoir, suggesting that these findings might help in the analysis of water-soluble gas reservoirs.
ISSN:0277-2248
1029-0486
DOI:10.1080/02772248.2015.1050183