Successful analysis and characterization of heavy oils require the collection of representative reservoir fluids. Schlumberger collects homogenous, single-phase, heavy oil samples at the surface and in downhole openhole and cased-hole environments. Our global laboratories offer the following heavy oil pressure-volume-temperature (PVT) and specialized studies for stock tank and live oils:
- high-pressure, high-temperature (HPHT) PVT studies—pressures to 15,000 psi and temperatures to 250 degC
- Solvent studies—miscibility, swelling, and PVT analysis
- vapor-liquid equilibria of live oil with solvent and/or water at high temperatures
- solids detection of asphaltenes using a high-pressure microscope (HPM) and solids detections system (SDS)
- live oil and dead oil rheology
- porous media flow studies using sandpacks or etched-plate micromodels
- live oil emulsion generation and demulsifier chemical testing
- live foamy oil studies and defoamer chemical testing
- apparent viscosities and kinetics of gas bubble formation in foamy oils
- hydrate formation conditions.
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