Method of increasing the amount of hydrocarbons from an undegrou

Details Method of increasing the amount of hydrocarbons from an undegrou Method of increasing the amount of hydrocarbons from an undegrou

1995-07-05

1996-07-23

Novosad, Stephen J.

Wells

Processes

Material placed in pores of formation to treat resident...

166280, 166308, E21B 4325, E21B 43267

Patent

active

055380816

ABSTRACT:
A method of increasing the amount of hydrocarbons that are recoverable from an underground reservoir into which an oil well has been drilled. The method includes first pumping a quantity of negatively charged water down the oil well and into the underground reservoir. Then a quantity of particles of a copper-nickel-zinc alloy are pumped down the oil well and into the underground oil reservoir. Optionally the alloy is followed by a quantity of frac sand pumped down the well and into the reservoir and followed by a sufficient volume of negatively charged water to flush the frac sand out of the well casing and wellbore and into the reservoir. The well is then shut-in to stabilize the particles of alloy and frac sand, if added, within the reservoir. The well is then reopened, allowing the water and gases formerly entrained within the reservoir to be expelled from the reservoir and the well, thereby leaving the alloy particles and frac sand, if used, within the reservoir to provide a path for the continuing flow or hydrocarbons to the wellbore.

REFERENCES:
patent: 2888988 (1959-06-01), Clark
patent: 3127935 (1964-04-01), Poettmann et al.
patent: 3980565 (1976-09-01), Fowler
patent: 4306981 (1981-12-01), Blair, Jr.

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