Petroleum Reservoirs Rock Compressibility
Unveiling the Secrets of Petroleum Reservoir Rocks Unveiling the Secrets of Petroleum Reservoir Rocks The concept of rock compressibility is similar to that of squeezing a sponge. Sponges are highly porous media used for many applications, including washing dishes due to their high capacity to store water. Pressure is applied to the wet sponge to reduce the pore volume and push the water out. The higher the pressure applied, the higher the reduction in the pore volume, resulting in more water coming out. Similarly, rocks are subjected to an overburden (or compaction) pressure that reduces their pore volume. The compressibility of a petroleum reservoir rock is the measure of how much the rock volume changes in response to a change in pressure. It is an important property of the rock because it affects the amount of oil and gas that can be produced from the reservoir. Porosity is a function of the degree of compaction of the rock and compaction forces are f (maximum depth of burial ...