Changes

==Hydrodynamic flow==

==Hydrodynamic flow==

A hydrodynamic gradient will either increase or decrease the height of a trapped hydro-carbon column.<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><ref name=ch10r16>Dahlberg, E. C., 1982, Applied Hydrodynamics in Petroleum Exploration: New York, Springer-Verlag, 161 p.</ref><ref name=ch10r50>Lerche, I. Thomsen, R. O., 1994, Hydrodynamics of Oil and Gas: New York, Plenum Press, 308 p.</ref> Flow in the direction of the buoyant vector decreases the seal capacity. Flow opposite the direction of the buoyant vector increases the seal capacity.

A hydrodynamic gradient will either increase or decrease the height of a trapped [[hydrocarbon]] column.<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><ref name=ch10r16>Dahlberg, E. C., 1982, Applied Hydrodynamics in Petroleum Exploration: New York, Springer-Verlag, 161 p.</ref><ref name=ch10r50>Lerche, I. Thomsen, R. O., 1994, Hydrodynamics of Oil and Gas: New York, Plenum Press, 308 p.</ref> Flow in the direction of the [[Buoyancy forces in reservoir fluids|buoyant vector]] decreases the seal capacity. Flow opposite the direction of the buoyant vector increases the [[seal capacity]].

The hydrodynamic effect has been demonstrated to be important in trapping hydrocarbons in the western Canada basin<ref name=ch10r16 /><ref name=ch10r50 />

The hydrodynamic effect has been demonstrated to be important in trapping hydrocarbons in the [[Western Canada Basin]]<ref name=ch10r16 /><ref name=ch10r50 />

==Pressure transients==

==Pressure transients==