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Free Online PVT Calculator

Calculate the properties of petroleum reservoir fluids with a reliable, simple PVT calculator. Use now the Standing solution gas-oil ratio calculator.

Gas-Oil Ratio Calculator

Standing (1947)

First-stage separator gas specific gravity
Stock-tank oil specific gravity
Solution gas-oil ratio at bubble point pressure
N.B. The Standing (1947) correlations are used to calculate the oil bubble point pressure and the solution gas-oil ratio. Want more details? Discover Standing (1947) correlations.

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10% error in the reservoir PVT properties leads to a 10% error in your estimated reserves. And that's why you need a reliable fluid property calculator.

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Fluid Property Behavior

Solution Gas-Oil Ratio

In this section, I would like to make sure that you can easily describe the behavior of your solution gas-oil ratio at any reservoir pressure. Therefore, I will give you brief technical notes by answering three questions.
The behavior of solution gas-oil ratio at pressures above and below the bubble point pressure
Behavior of the solution GOR versus pressure
Why the solution gas-oil ratio is maximum at bubble point pressure?
At pressures above the bubble point pressure, the oil phase is saturated with the maximum amount of soluble gas. As a result, the solution gas-oil ratio remains constant. On the other hand, when the pressure decreases below the bubble point pressure, more gas is liberating from the liquid phase, leaving the oil with less gas in solution. Actually, almost all the black oil properties respond differently to the decrease in reservoir pressure.
What are the PVT properties that are affecting the value estimated for the solution gas-oil ratio?
The solution gas-oil ratio is strongly dependent on the value estimated for the bubble point pressure.
What are the PVT properties that depend on the value estimated for the solution gas-oil ratio?
The oil formation volume factor, the oil viscosity, the oil density, and the oil compressibility are all strongly dependent on the value estimated for the solution gas-oil ratio.

1,268+ petroleum engineers are using PVT Solver to describe the behavior of their reservoir fluid properties.

"Excellent software to predict fluid properties that are vital for any reservoir simulation study."
Atif Ismail, MSc.
Atif Ismail, MSc.Petroleum and Gas Engineering Lecturer,
University of Engineering and Technology,
Lahore, Pakistan
"A user-friendly tool for black-oil calculations. I recommend using PVT Solver software."
Babak Moradi, PhD.
Babak Moradi, PhD.Consultant Reservoir Engineer,
Petroxin Limited,
London, UK
"An easy and intuitive application that applies the most popular fluid correlations in the industry."
Humberto Rondon,
Humberto Rondon,Reservoir and Field Development Engineer,
PDVSA Oil and Natural Gas Company,
Zulia, Venezuela

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