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

Advanced PVT Course Curtis Hays Whitson Professor, NTNU –Norwegian University of Science & Technology PERA consultancy –PVT, EOS Model Development –Gas Condensate Reservoirs –Gas Injection EOR Petrostreamz software ( –Pipe-It Model Integration & Optimization

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

Monday –Compositions. Sampling. Measurement. Heptanes-Plus Characterization. Tuesday –Equations of State (EOS) Introduction. –Phase Behavior Review. –EOS Calculations with PhazeComp. 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 (JK1) –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 m i ↔ n i (z i ) Data Errors – Sources & Correction C n+ molar distribution OBM Decontamination

C 7+ (C n+ ) Characterization M 7+ –  7+ (M o –  o ) measurements: K w7+ Single Carbon Number Characterization –Mass-mole conversion: m i ↔n i or w i ↔z i –Molar Distribution z i (M i ) or w i (M i ) –  i –M i SCN relationship

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