Advanced PVT Course Curtis Hays Whitson Organized by

Advanced PVT Course Curtis Hays Whitson Organized by HOT Engineering Vienna, Austria May 9– 13, 2016

Advanced PVT Course Curtis Hays Whitson • Professor, NTNU (curtis. h. whitson@ntnu. no) – Norwegian University of Science & Technology • PERA consultancy (whitson@pera. no) – PVT, EOS Model Development – Gas Condensate Reservoirs – Gas Injection EOR • Petrostreamz software (www. petrostreamz. com) – Pipe-It Model Integration & Optimization

WELL PRODUCTION CORRELATIONS SAMPLING COMPOSITIONS EOS FLUID INITIALIZATION PVT DATA BLACK-OIL RESERVOIR SIMULATION PROCESS SIMULATION

Advanced PVT Course Curtis Hays Whitson • Monday – Compositions. • Sampling. • Measurement. • Heptanes-Plus Characterization. • Tuesday – Equations of State (EOS) Introduction. – Phase Behavior Review. – EOS Calculations with Phaze. Comp.

Advanced PVT Course Curtis Hays Whitson • Wednesday – PVT Experiments. – EOS Lab Simulation. • Thursday – EOS & Viscosity Model Development. – Black-Oil PVT.

Advanced PVT Course Curtis Hays Whitson • Friday – EOS Pseudoization – Fluid Initialization & Compositional Gradients. – Gas Injection Processes. • Swelling & Vaporization • Miscibility

Compositions • Sampling (collection) • Measurement (uncertainties) • Application (usage) • Examples – Near-crtical gas condensate (JK 1) – CL Oil (BHS) – CL Gas Condensate (SEP)

Sampling Composition Collection • Purpose • Strategy & Planning • Types of Samples • Quality Control • Storage

Composition Measurement • Components • GC | Flash-GC-Recombine • mi ↔ ni (zi) • Data Errors – Sources & Correction • Cn+ molar distribution • OBM Decontamination

C 7+ (Cn+) Characterization • M 7+–g 7+ (Mo–go) measurements: Kw 7+ • Single Carbon Number Characterization – Mass-mole conversion: mi↔ni or wi↔zi – Molar Distribution zi(Mi) or wi(Mi) – gi–Mi SCN relationship

Composition Applications • EOS input • EOS data (tuning) • ~GOR(OGR) – fluid initialization – Approximate surface process • Correlation with PVT Properties