Recent technological advances have removed some of the challenges presented by Tight Gas Sand reservoirs. Improved methods allow for:
Screen core plugs maintaining their saturation state Quick Rock Properties provide Φ, Sw, Keffective without drying the rock.
Provide core measure parameters for reserves assessment Rw correct for filtrate invasion and clay bound water "m" and Qv from Saturated Rock Properties "n" from Drainage Rock Properties Capillary pressure water saturation model from measured Capillary Pressure Properties
Producibility Assessment using Core Analysis Krg - Drainage and Imbibition Relative Permeability properties Sg(crit) - Critical Gas Saturation identifying water saturation where gas flows Sgt - Counter Current Imbibition identifying the water saturation with imbibition where gas is trapped
Grains, Pores, and Pore Throats in Unconventional Tight Rock
Optimized fracture design Core measured, reservoir specific, static & dynamic (E) Young's Modulus and (v) Poisson's Ratio
Formation stress and fracture gradients
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