Pore-Throat Combination Characteristics and Their Effect on Gas–Water Seepage Behavior in Tight Sandstone Gas Reservoirs of the Dingbian Area, Ordos Basin, North China
Abstract:The pore-throat structure and gas–water seepage
behavior
are important factors affecting reservoir quality and development
efficiency. Sixteen tight sandstone samples from the He 8 and Shan
1 Formations in the Dingbian area of the Ordos Basin were analyzed
using casting thin section, scanning electron microscopy, high-pressure
mercury injection, and displacement experiments, integrated with the
nuclear magnetic resonance technique, to clarify the pore-throat structure
characteristics and their influence on the… Show more
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