open_petro_elastic.material.batzle_wang.oil_properties

The oil properties are shown in Figure 5 to 8 in Batzle and Wang. We can reproduce these figures, althought there is some small mismatch, possibly due to the figures in the paper being hand drawn.

Figure 5

(Source code, png, hires.png, pdf)

Figure 6

(Source code, png, hires.png, pdf)

Figure 7

(Source code, png, hires.png, pdf)

Figure 8

(Source code, png, hires.png, pdf)

Functions

dead_oil(temperature, pressure, ...)
dead_oil_density(temperature, pressure, ...)	The density of oil without dissolved gas (dead).
dead_oil_primary_velocity(temperature, ...)	The primary wave velocity in oil without dissolved gas (dead).
live_oil(temperature, pressure, ...)
live_oil_density(temperature, pressure, ...)	Density of live oil at saturation.
live_oil_primary_velocity(temperature, ...)	Primary wave velocity of live oil at saturation.
live_oil_pseudo_density(temperature, ...)	Pseudo density used to substitute reference density in dead_oil_wave_velocity for live oils.
live_oil_volume_factor(temperature, ...)	Volume factor derived by Standing (1962), equation 23 in Batzle & Wang [1]. :param reference_density: Density of the oil without dissolved gas at 15.6 degrees celsius and atmospheric pressure. (g/cc) :param gas_oil_ratio: The volume ratio of gas to oil [l/l] :param temperature: Temperature (celsius) of oil. :param gas_gravity: molar mass of gas relative to air molar mas. :return: A volume factor in calculating pseudo-density of live oil.
oil(temperature, pressure, ...)
oil_bubble_point(density, gas_oil_ratio, ...)	Reservoir oils include some natural gas in solution.
pressure_adjusted_dead_oil_density(pressure, ...)	Adjusts density of a dead oil (without dissolved gas) to a given pressure.
temperature_adjusted_dead_oil_density(...)	Adjusts density of a dead oil (without dissolved gas) to a given temperature.