Liquid gun propellant stimulation

Details Liquid gun propellant stimulation Liquid gun propellant stimulation

1997-02-25

2000-08-08

Nelson, Peter A.

Ammunition and explosive-charge making

Loading fireworks and bursting charges

Placing, tamping, or priming charge in blast hole

102312, 102313, 181401, F42B 300

Patent

active

06098516&

ABSTRACT:
To increase a yield of a hydrocarbon such as oil from a subsurface reserv, the reservoir is stimulated by pumping liquid gun propellant (LP) into the reservoir and igniting the LP. The LP is pumped into a packed-off region in a cased well; the depth of the packed-off region is selected to lie within the reservoir. The ignition of the LP causes a pressurization of the reservoir, thus fracturing the reservoir. The fracture increases a surface area through which the hydrocarbon can be extracted, and the heat from the ignition reduces the viscosity of the hydrocarbon.

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patent: 5491280 (1996-02-01), Brummond et al.
patent: 5607181 (1997-03-01), Richardson et al.

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