− | Displacement pressure (P<sub>d</sub>) is the pressure necessary to force hydrocarbons into the pore space of a rock and form a continuous hydrocarbon filament.<ref name=ch10r67>Schowalter, T., T., 1979, Mechanics of secondary hydrocarbon [[migration]] and entrapment: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Displacement pressure, which is measured in dynes/cm<sup>2</sup>, can be calculated by the following formula: | + | Displacement pressure (P<sub>d</sub>) is the pressure necessary to force hydrocarbons into the pore space of a rock and form a continuous hydrocarbon filament.<ref name=ch10r67>Schowalter, T., T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0005/0700/0723.htm Mechanics of secondary hydrocarbon migration and entrapment]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Displacement pressure, which is measured in dynes/cm<sup>2</sup>, can be calculated by the following formula: |