Surface Tension of Reservoir Crude-Oil/Gas Systems Recognizing the Asphalt in the Heavy Fraction
- 1 February 1988
- journal article
- conference paper
- Published by Society of Petroleum Engineers (SPE) in SPE Reservoir Engineering
- Vol. 3 (01) , 265-272
- https://doi.org/10.2118/13826-pa
Abstract
Summary: Improvements in predicting surface tensions for crude-oil/gas systems at reservoir conditions has been attributed to new parachors for distillation cuts of crude oil and the recognition that the last fraction or residue of distillation has a parachor not continuous with the distillation cuts. For such reservoir gas/oil systems as condensates, which normally do not contain asphalt materials, the new parachors for the crude cuts would suffice for the surface-tension computation. For a reservoir fluid containing asphaltic substances, the calculation procedure should include a single measurement of the surface tension.Keywords
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