Development well drilling

Details Development well drilling Development well drilling

1984-08-08

1988-09-27

Levy, Stuart S.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

E21B 704

Patent

active

047734884

ABSTRACT:
A method for development drilling in a mineral producing field such as an oil and gas field wherein a plurality of wellbores are drilled in the earth through at least one mineral containing subsurface geologic formation, the plurality of wellbores being drilled from a central drill site radially outwardly therefrom wherein the wellbores are drilled at varying angles from vertical within the range of from about 30 to about 87.5 degrees from vertical, the wellbores passing through at least one formation at an angle from vertical.

REFERENCES:
patent: 2565794 (1951-08-01), Young
patent: 3687204 (1972-08-01), Marshall et al.
patent: 4379493 (1983-04-01), Thibodeaux
patent: 4386665 (1983-06-01), Dellinger
"Russia `Gang` Drills", Oil and Gas Journal, Dec. 10, 1956, p. 105.
"Wells Drilled with Horizontal Drain Holes", The Petroleum Engineer, Feb. 1947, pp. 174-180.

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