Shale Tight Reservoir Simulation CUP（页岩致密储层模拟杯）.pdfVIP

Shale Tight Reservoir Simulation Jim Erdle - VP/USA LA OCTOBER 2012 AGENDA  How CMG’s simulators are being used o Shale/Tight reservoir modelling features o Shale/Tight reservoir modelling workflows  How other simulators are being used  Shale Operators using CMG’s simulators  SPE References CMG’S PRODUCTS IMEX – Black Oil reservoir simulator GEM – EOS-compositional reservoir simulator STARS – Thermal/Reactive-Transport reservoir simulator GEOMECH – Geomechanics simulator (GEM STARS) BUILDER – Model creation/editing GUI RESULTS – Simulator output display GUI WINPROP – PVT modelling CMOST – SA, UA, Aided History-Matching Optimization MODELLING FEATURES  PVT o Black Oil treatment (IMEX)  primary production of dry gas, wet gas, black oil, volatile oil and gas condensate reservoir fluids o Multi-component EOS Treatment (GEM)  Adds ability to model Multi-Component fluids including non-HC gases (e.g. CO2, H2S, acid gas, Flue Gas N2) for EOR MODELLING FEATURES  Single vs Dual Porosity o Single Porosity if no open natural fractures o Dual Permeability if open natural fractures MODELLING FEATURES  Adsorped Components o Single gas component (new in IMEX for 2012) o Multiple gas or oil components (GEM) MODELLING FEATURES  Diffusion o Multi-component molecular diffusion (GEM)  Competitive with darcy flow in some very low matrix perm situations  Injection of solvents to aid liquid recovery (e.g. CO2, propane, etc.)  Sequestration of CO2, acid gas, etc. MODELLING FEATURES  Relative Perm Capillary Pressure o Independent curves for matrix, natural fractures propped fractures  Usually straight line for natural propped fracs  Matrix can be oil-wet or water-wet (which is it?)