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 …
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 »
PVT reports often lists separator corrected Gas/Oil Ratios (GORs), Gas and Oil Formation Volume Factors (FVFs), etc. together with measured Differential Liberation (DL) and Constant Volume Depletion (CVD) data. The separator corrected black oil properties listed in PVT reports are calculated using empirical correlations. But, what does separator corrected black oil properties stand for and …
Calsep announces its membership in CERE at DTU Calsep is pleased to announce its membership in the CERE Consortium at the Danish Technical University. Center for Energy Resources Engineering (CERE) has an excellent track record and international reputation within the areas of thermodynamic modeling and algorithms for phase equilibrium simulations.
UPDATES AND BUG FIXES GENERAL PVTsim NOVA 2 VERSIONS 32 and 64 bit. FLUID MANAGEMENT DATABASE Disk size of fluid databases reduced significantly. FLUID EXPLORER Direct editing of fluid name in Fluid Explorer. FLUID INPUT More characters allowed in fluid ID fields. Sampling data can be input. HTGC n-paraffin analysis can be input and used …
With PVTsim Nova 2.0 Calsep is introducing the CPA equation of state as one of the EoS alternatives. The CPA equation of state was presented by Kontogeorgis et al. (1996). CPA stands for Cubic Plus Association, which refers to a classic cubic equation of state with an association term. More specifically CPA combines the SRK …
Calsep recently got access to data for the compositional variation with depth in five North Sea reservoirs. All five reservoirs have a gas-oil contact in the interval fluid samples were taken. Figure 1 shows the variation in saturation pressure with depth in two of the reservoirs. The depths are relative to the depth of the …
It was a major achievement when Peneloux et al in 1982 presented the method for volume correcting a cubic equation of state. It enabled liquid densities to be matched using a cubic equation, which was not possible with the equations in their original form. Prior to that time cubic equations had mainly been used to …
#2: How good are the predictions of sound velocity with an equation of state? Read More »
Cubic equations have been an industrial standard in oil industry since the nineteen eighties, but in the original form those equations are unable to handle the mutual solubility between hydrocarbons and aqueous components. Formation water is often produced together with petroleum reservoir fluids and hydrate inhibitors may have to be added to prevent hydrate formation …
#1: Huron-Vidal Mixing Rule. A Unique Combination of a Cubic Equation and a GE model Read More »
UPDATES AND BUG FIXES GENERAL Input menus do not lock the program. Multiple input menus can be open simultaneously. Interactive input check – blue(required input icons) and red (illegal input icons) react to input right away. Number of user defined unit systems no longer limited to 4. FLUID MANAGEMENT NEW PLUS FLUID Composition Pure component …
