7 permeability of reservoir rock Xuanqi Zhang Petroleum engineering college
7 permeability of reservoir rock Xuanqi Zhang Petroleum engineering college
油藏物理学—岩石物性 outline 1.Darcy'law and absolute permeability 2.Measurement of permeability 3.Fracture permeability 4.Factors affecting permeability 5.The relationship between permeability and porosity and pore radius
outline 油藏物理学——岩石物性 1.Darcy’ law and absolute permeability 2. Measurement of permeability 3. Fracture permeability 4. Factors affecting permeability 5. The relationship between permeability and porosity and pore radius
油藏物理学—岩云物性 In addition to being porous,a reservoir rock must have the ability to allow petroleum fluids to flow through its interconnected pores.The rock's ability to conduct fluids is termed as permeability. This indicates that non-porous rocks have no permeability
油藏物理学——岩石物性 In addition to being porous, a reservoir rock must have the ability to allow petroleum fluids to flow through its interconnected pores. The rock’s ability to conduct fluids is termed as permeability. This indicates that non-porous rocks have no permeability
The permeability of a rock depends on its effective porosity,consequently,it is affected by the rock grain size,grain shape, grain size distribution (sorting),grain packing,and the degree of consolidation and cementation
The permeability of a rock depends on its effective porosity, consequently, it is affected by the rock grain size, grain shape, grain size distribution (sorting), grain packing, and the degree of consolidation and cementation
The type of clay or cementing material between sand grains also affects permeability, especially where fresh water is present. Some clays,particularly smectites (bentonites)and montmorillonites swell in fresh water and have tendency to partially or completely block the pore spaces
The type of clay or cementing material between sand grains also affects permeability, especially where fresh water is present. Some clays, particularly smectites (bentonites) and montmorillonites swell in fresh water and have tendency to partially or completely block the pore spaces