Drilling method

Details Drilling method Drilling method

1990-04-16

1991-04-30

Dang, Hoang G.

Boring or penetrating the earth

Processes

Boring with specific fluid

175206, 175207, E21B 2106

Patent

active

050109669

ABSTRACT:
A method of receiving returns from a well being drilled in which the hydrostatic pressure of the drilling fluid cannot contain the formation pressure and controlling the flow and pressure of the returns and separating the oil, gas, and drilling fluids on the surface and returning the drilling fluids to the well while disposing of the oil and gas.

REFERENCES:
patent: 2082329 (1937-06-01), Foran et al.
patent: 2748884 (1956-06-01), Erwin
patent: 2786652 (1957-03-01), Wells
patent: 3500943 (1970-03-01), Bingham, Jr.
patent: 3633687 (1972-11-01), West et al.
patent: 3895927 (1975-07-01), Bournham, Sr.
patent: 4247312 (1981-01-01), Thakur et al.
patent: 4666471 (1987-05-01), Cates
patent: 4887464 (1989-12-01), Tannenbaum et al.

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