Patterns of horizontal and vertical wells for improving oil reco

Details Patterns of horizontal and vertical wells for improving oil reco Patterns of horizontal and vertical wells for improving oil reco

1985-12-23

1987-03-03

Novosad, Stephen J.

Wells

Plural wells

166 50, 166245, E21B 4330

Patent

active

046468242

ABSTRACT:
The disclosed invention is a method of recovering hydrocarbons by employing a modified 9 spot well pattern which contains a vertical central well, four vertical corner injection wells and four horizontal wells as the side wells in the pattern. The horizontal side wells are aligned on axes perpendicular to the substantially rectangular boundaries of the modified 9 spot well pattern or aligned on the axes between the four corner injection wells.

REFERENCES:
patent: 3199587 (1965-08-01), Santourian
patent: 3402768 (1968-09-01), Felsenthal et al.
patent: 4022279 (1977-05-01), Driver
patent: 4410216 (1983-10-01), Allen
patent: 4434849 (1984-03-01), Allen
patent: 4501326 (1985-02-01), Edmunds
patent: 4532986 (1985-08-01), Mims et al.

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