FLUID MANAGEMENT & OPERATIONS FLUID DATABASE Opening of an empty database enabled. Export and import supported for empty databases. ADD TO SINGLE EOS Add to single EoS enabled also when characterized source fluid has been lumped twice or more. CLEAN FOR MUD Enhanced QC check for mud (OBM) contamination. Input menu modified to make it […]
PVTsim Nova 4.2 Released Read More »
PVT DATA PVT DATA Copy of PVT data between fluids supported. REGRESSION Regression weight for critical stage in swelling experiment again taken into consideration. QC Evaluation of ln(mol%) versus carbon number changed to start at C10 instead of at C7. ADD TO COMMON EOS Reestablished. FLASH & PROCESS H2S MODULE Component fugacities written out APPS
PVTsim Nova 4.1 released Read More »
One of the most challenging EoS modeling tasks is to develop a common EoS model for multiple fluids with gas injection. With gas injection being used as an EOR technique for shale fluids, reservoir engineers working with PVT modeling of shale fluids are frequently facing such task. The time spent on developing a common EoS
#10: Common EoS Model Development for Reservoir Fluids with Gas injection Read More »
Calsep introduced the Cubic Plus Association (CPA) model in PVTsim Nova 2 in 2015. CPA takes into consideration that the thermodynamic properties of polar and non-polar substances of approximately the same molecular weight may deviate substantially because of association between the polar molecules. Water and methane, for example, have approximately the same molecular weight, but
#9: PR-CPA in PVTsim Nova 4 Read More »
GENERAL LICENSE SYSTEM Update made to give correct message when all PVTsim licenses are occupied. License Manager (LMTOOLS) shifted to newer version. FLUID HANDLING QC Acceptance criterion for STO oil density changed to ±0.02 g/cm3 in the QC module. RECOMBINE Recombination of an extended GC Plus composition with a classical Plus fluid no longer allowed. MIX
NEW FEATURES AND MODULES FLUID HANDLING GC ANALYSIS INPUT Dedicated input option for GC analyses to C30+ or higher. Mole%’s or weight%’s of components and carbon number fractions including C7+ isomers can be input in the order reported in a standard PVT report along with C7+ MW and density. TBP ANALYSIS INPUT A TBP analysis
Knowledge about the reservoir temperature is important for reservoir modeling and field development, but the temperature measured in exploration wells is seldom representative for the reservoir temperature. In a paper presented at SPE ATCE in Dubai in September 2016, Meisingset (Statoil) and Pedersen (Calsep) outline a procedure for determining the reservoir temperature from well test
#8: Reservoir Temperature from Well Test Data Read More »
Cubic equations of state are the standard in oil industry. They are successful because of their versatility, but users of cubic equations must accept minor deviations from experimental data for most physical properties. For some applications such deviations are unacceptable, one example being volumetric gas calculations. The commercial value of a given volume of gas
#7: GERG-2008 for Highly Accurate Natural Gas Properties Read More »
LIST OF UPDATES FROM PVTSIM NOVA 2.1 TO PVTSIM NOVA 2.2 FLUID VIEW TEXT FIELDS On rare occasions users were getting a message saying they had to enter text in one of the fields Well, Test, etc. on the Fluid View even though they had input text. Update made to prevent that from happening. PVT
PVTsim Nova 2.2 released Read More »
Gas injection has for decades been used to enhance oil recovery (EOR). The injected gas keeps the reservoir pressure high and blends with the reservoir fluid to possibly develop a miscible zone that will prevent gas from behind in penetrating and creating a gas break through. The lowest pressure at which a miscible zone can
#6: Gas Injection as an Enhanced Recovery Technique for Gas Condensate Reservoir Fluids Read More »
