... co 2 hydrogen injection mechanism unconventional play heavy oil play modeling & simulation production control injection scenario hysteresis buffer gas carito-mulata and santa barbara field cushion gas eos model Introduction In recent years, the global community has been...

... reservoir 1 equation of state fluid composition molecule fraction reservoir compositional variation saturation pressure composition eos model Introduction A reservoir fluid column shows compositional variations with depth. The concentration of high molecular weight compounds increases...

... saturation pressure experiment mechanism eos model eos hnp simulation production data fracture composition seg unconventional resource technology conference oil recovery Introduction Cycle gas injection, or HnP, is a promising enhanced oil recovery technique for unconventional tight...

... Abstract In this paper we emphasize the duality of fluid sampling: (1) fluid characterization; to collect samples and measure pressure/volume/temperature (PVT) data that can be used to build and tune an equation of state (EOS) model, and (2) fluid initialization; to collect samples...

... behavior data for mixtures of water with each of these oils are represented by the CPA EOS. Calculated phase behavior by the CPA EOS models is compared with experimental data and also with the Peng-Robinson EOS for several cases. This paper also presents a new correlation for binary interaction parameters...

... for fluid samples; however, in areas with unstable production, such as slugging or cycling wells, a three-month-average producing condensate/gas ratio (CGR) is utilized as the basis for correlating the composition. The resulting tuned EOS models and source rock fluid composition correlations provide fluid...

... Abstract To reduce CPU time in compositional reservoir simulations, a minimum number of components should be used in the equation of state (EOS) to describe the fluid phase and volumetric behavior. A "detailed" EOS model often contains from 20 to 40 components, with the first 10 components...

... recovery was seen for the latter fluid despite the liquid-liquid split. EOS models have been developed matching the swelling and slimtube data and confirming the observed VLLE and LLE phase behavior. The work has led to an improved understanding of how swelling and MMP data for CO 2 -crude oil systems...

... factors are used to perform dynamic delumping. The split factors are generated from simulated depletion PVT experiments using a detailed-EOS model. Delumping is performed phase-wise at the well-connection level, for each time step of the reservoir simulator. For gas injection processes, the amount...

... of state (EOS) model valid for 5 reservoir fluids is presented for use with the volume corrected SRK cubic equation of state. The compressibility at reservoir pressure is matched well and so is multi stage separator data. That makes the common EOS model applicable for reservoir simulation studies as well...

... Justification and drivers for spending effort in EOS model development are highlighted from the operator's point-of-view, together with a summary of the issues and impact that the developed Pauto EOS model has on field operations, planning, and design of gas injection production strategies...

... automated regression from the original 22-component EOS. We found that a six-component pseudoized EOS model described the reservoir fluid system with good accuracy and, for the most part, this EOS model was used in the study. Methods are proposed for generating consistent black-oil PVT tables...