pvt_water.RdThe pvt_water() generates a table of water PVT properties at reservoir temperature and pressures from the atmospheric condition up to the initial reservoir pressure. The estimated water properties are solution gas-water ratio, formation volume factor, density, compressibility, and viscosity.
pvt_water( input_unit = "Field", output_unit = "Filed", fluid = "water", pvt_model = "Spivey", visc_model = "Spivey", t = 220, p = 6000, salinity = 10, gas_saturated = "yes", warning = "yes" )
| input_unit | input unit system for parameters, a character string either 'SI' or 'Field'. |
|---|---|
| output_unit | output unit system for properties, a character string |
| fluid | fluid type, the character string 'water' |
| pvt_model | PVT model, a character string. 'Spivey', 'Meehan', and 'McCain' models are currently available |
| visc_model | viscosity model, a character string. 'Spivey', 'Meehan', and 'McCain' models are currently available |
| t | temperature, a numeric value either in 'C' or 'F' depending on the 'input_unit' |
| p | pressure, a numeric value either in 'kPag' or 'Psig' depending on the 'input_unit' |
| salinity | water salinity in weight percent TDS |
| gas_saturated | a charater string either 'yes' or 'no' |
| warning | a charater string either 'yes' or 'no' |
Meehan DN (1980). “Estimating water viscosity at reservoir conditions.” Petroleum Engineer, 35, 117--118.
Meehan DN (1980). “A correlation for water compressibility.” Petroleum Engineer, 56, 125--126.
McCain Jr. WD (1991). “Reservoir-Fluid Property Correlations-State of the Art (includes associated papers 23583 and 23594 ).” SPE Reservoir Engineering, 6(02), 266--272. ISSN 0885-9248, doi: 10.2118/18571-PA , https://doi.org/10.2118/18571-PA.
Spivey JP, McCain WD, North R (2004). “Estimating density, formation volume factor, compressibility, methane solubility, and viscosity for oilfield brines at temperatures from 0 to 275 C, pressures to 200 MPa, and salinities to 5.7 mole/kg.” Journal of Canadian Petroleum Technology, 43(7), 52--61. ISSN 00219487, doi: 10.2118/04-07-05 , https://doi.org/10.2118/04-07-05.
McCain, Jr. WD, Spivey JP, Lenn CP (2011). Petroleum Reservoir Fluid Property Correlations. PennWell Corporation. ISBN 978-1-59370-187-1.
pvt_water_results_1 <- pvt_water(input_unit = "Field", output_unit = "Field", fluid = "water", pvt_model = "McCain", visc_model = "McCain", t = 300, p = 5000, salinity = 10, gas_saturated = "yes", warning = "no") head(pvt_water_results_1)#> T_(F) P_(Psig) Rsw_(scf/stb) Bw_(rb/stb) Density_(lb/ft3) Cw_(1/Psia) #> [1,] 300 0 0.8904753 1.079560 61.98275 0.0012082495 #> [2,] 300 10 0.9404562 1.079550 61.98334 0.0007194677 #> [3,] 300 20 0.9903995 1.079539 61.98394 0.0005124380 #> [4,] 300 30 1.0403052 1.079529 61.98454 0.0003980480 #> [5,] 300 40 1.0901732 1.079518 61.98514 0.0003254862 #> [6,] 300 50 1.1400035 1.079508 61.98575 0.0002753565 #> Viscosity_(cp) #> [1,] 0.2671543 #> [2,] 0.2672623 #> [3,] 0.2673704 #> [4,] 0.2674787 #> [5,] 0.2675872 #> [6,] 0.2676958pvt_water_results_2 <- pvt_water(input_unit = "SI", output_unit = "SI", fluid = "water", pvt_model = "Spivey", visc_model = "Spivey", t = 100, p = 15000, salinity = 0.0, gas_saturated = "no", warning = "no") head(pvt_water_results_2)#> T_(C) P_(kPag) Rsw_(rm3/sm3) Bw_(rm3/sm3) Density_(kg/m3) Cw_(1/kPaa) #> [1,] 100 0.00000 0 1.042374 958.3693 4.865692e-07 #> [2,] 100 68.94757 0 1.042339 958.4014 4.864637e-07 #> [3,] 100 137.89515 0 1.042304 958.4336 4.863583e-07 #> [4,] 100 206.84272 0 1.042269 958.4657 4.862529e-07 #> [5,] 100 275.79029 0 1.042234 958.4978 4.861476e-07 #> [6,] 100 344.73786 0 1.042199 958.5299 4.860423e-07 #> Viscosity_(mPa.s) #> [1,] 0.2810919 #> [2,] 0.2811120 #> [3,] 0.2811321 #> [4,] 0.2811522 #> [5,] 0.2811724 #> [6,] 0.2811925