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StimuFrac Compressibility as a Function of CO2 Molar Fraction
Compressibility values were obtained in a range of pressures at 250degC by employing a fixed volume view cell completely filled with PAA aqueous solution and injecting CO2 at constant flow rate (0.3mL/min). Pressure increase as a function of supercritical CO2 (scCO2) mass fraction in the mixture was monitored.
The plot shows the apparent compressibility of Stimufrac as a function of scCO2 mass fraction obtained in a pressure range between 2100-7000 psi at 250degC.
At small mass fractions of scCO2 the compressibility increases probably due to the dissolution/reaction of CO2 in aqueous PAA and reaches a maximum at mCO2/mH2O = 0.06. Then, compressibility decreases showing a linear relationship with scCO2 mass fraction due to the continuous increase in density of the binary fluid associated to the pressure increase.
Complete Metadata
| bureauCode |
[ "019:20" ] |
|---|---|
| dataQuality | true |
| DOI | 10.15121/1422769 |
| identifier | https://data.openei.org/submissions/7060 |
| issued | 2016-04-29T06:00:00Z |
| landingPage | https://gdr.openei.org/submissions/870 |
| programCode |
[ "019:006" ] |
| projectLead | Sean Porse |
| projectNumber | FY16 AOP 1324 |
| projectTitle | Reservoir Stimulation with Operational Monitory for Creation of Enhanced Geothermal Systems |
| spatial | {"type":"Polygon","coordinates":[[[-116.7502,35.2279],[-112.8941,35.2279],[-112.8941,39.3634],[-116.7502,39.3634],[-116.7502,35.2279]]]} |
