drive
the displacement of crude oil and gas through the pore spaces of the reservoir rock towards a well bore, as the result of expansion of reservoir fluids or movements of fluids under pressure towards areas with lower pressure, thus enabling the oil or gas to be produced
GRM: n.
References:
SPE depletion drive
SPE dissolved-gas drive
SPE gas-cap drive
SPE solution-gas drive
SPE solution gas drive
SPE water drive
SPE dissolved gas drive

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