− | Pore–fluid interaction determines the amount and rate of hydrocarbon recovery. Reservoir pore throat radius, [[buoyancy pressure]], and [[Petroleum reservoir fluid properties|fluid properties]] are the main elements controlling pore–fluid interaction. Since direct observation of pore–fluid interaction in the reservoir is impossible at present, [[capillary pressure]] and relative [[permeability]] analysis of rocks yields the most insight into the behavior of fluids in a particular pore system. | + | Pore–fluid interaction determines the amount and rate of hydrocarbon recovery. Reservoir [[Pore and pore throat sizes|pore throat radius]], [[buoyancy pressure]], and [[Petroleum reservoir fluid properties|fluid properties]] are the main elements controlling pore–fluid interaction. Since direct observation of pore–fluid interaction in the reservoir is impossible at present, [[capillary pressure]] and relative [[permeability]] analysis of rocks yields the most insight into the behavior of fluids in a particular pore system. |