The Impact of Irreducible Water on Stress-Sensitivity of Gas Reservoir Rocks

Hao Xu; Zhi Ping Li; Hua Jun Hu

doi:10.4028/www.scientific.net/AMM.246-247.472

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 246-247The Impact of Irreducible Water on...

The Impact of Irreducible Water on Stress-Sensitivity of Gas Reservoir Rocks

Abstract:

According to many researches, the presence of stress-sensitivity has been confirmed in reservoir rocks. Because it will create huge damage to the permeability of reservoirs, sufficient attention should be made. In this paper, through the experiment, the permeability value change with effective pressure in the condition of saturated with irreducible water and dry environment were compared. The study showed that the stress-sensitivity of core sample was more obvious in the condition of saturated with irreducible water.