Oil recovery process employing horizontal and vertical wells in

Details Oil recovery process employing horizontal and vertical wells in Oil recovery process employing horizontal and vertical wells in

1992-07-30

1994-06-14

Suchfield, George A.

Wells

Processes

Specific pattern of plural wells

166 50, 166263, E21B 4324, E21B 4330

Patent

active

053201701

ABSTRACT:
A method of recovering hydrocarbons from underground formations by employing a modified inverted 5-spot well pattern, which comprises drilling four substantially horizontal wells located along each of the four sides of an inverted 5-spot vertical well pattern, injecting an oil recovery fluid through the central injection well, producing hydrocarbons and other fluids through the vertical corner production wells, ceasing production through the vertical corner wells, and producing hydrocarbons and other fluids through the horizontal wells.

REFERENCES:
patent: 3402768 (1968-09-01), Felsenthal et al.
patent: 4637461 (1987-01-01), Hight
patent: 4646824 (1987-03-01), Huang et al.
patent: 4662441 (1987-05-01), Huang et al.
patent: 4682652 (1987-07-01), Huang et al.
patent: 4702314 (1987-10-01), Huang et al.
patent: 4718485 (1988-01-01), Brown et al.
patent: 4727937 (1988-01-01), Shum et al.
patent: 5065821 (1991-11-01), Huang et al.

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