Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – With tool shaft having plural passages for drilling fluid
Patent
1980-05-01
1982-01-26
Pate, III, William F.
Boring or penetrating the earth
With above-ground means for handling drilling fluid or cutting
With tool shaft having plural passages for drilling fluid
175324, 13762531, E21B 1718
Patent
active
043124151
ABSTRACT:
In a combination for the drilling of a gas, oil, water and/or steam well comprised of a well hole, which is being drilled, well casing, which extends at least part of the way down the well hole, rotatable drill pipe, which extends down the well hole to the bottom thereof and which contains a passageway through the center thereof, a drill bit attached to the bottom of the drill pipe, means for rotating the drill pipe and the drill bit, and means for forcing a fluid, such as, drilling mud, down the passageway of the drill pipe to and through the drill bit, an annulus being formed by the region between the well casing and side of the well and the drill pipe, the fluid exiting out the annulus, the improvement which comprises a reverse circulating tool or device located in the casing, the device comprising a cylindrical main body, means for attaching the device to the top portion of the drill pipe, means for attaching the device to the bottom portion of the drill pipe, a first passageway in the main body communicating between the top portion of the drill pipe and the portion of the annulus located below the main body, and a second passageway in the main body communicating between the bottom portion of the drill pipe and the portion of the annulus located above the main body, the main body tightly and rotatably fitting within the well casing.
REFERENCES:
patent: 1378056 (1921-05-01), Reed et al.
patent: 1544167 (1925-06-01), Nightingale
patent: 1738135 (1929-12-01), Bannister
patent: 2016066 (1935-10-01), Bannister
patent: 2765146 (1956-10-01), Williams, Jr.
patent: 2849214 (1958-08-01), Hall
patent: 2934308 (1961-05-01), Bauer et al.
patent: 2946565 (1960-07-01), Williams
patent: 2991837 (1961-07-01), Postlewaite
patent: 3015360 (1962-01-01), Stratton
patent: 3153290 (1964-10-01), Saito
patent: 3259198 (1966-07-01), Montgomery et al.
patent: 3362488 (1968-01-01), Ioanesyan et al.
patent: 3747698 (1973-07-01), Chapman
patent: 3804186 (1974-04-01), Schoeffler
patent: 4057118 (1977-11-01), Ford
patent: 4102418 (1978-07-01), Kammerer, Jr.
patent: 4103749 (1978-08-01), Erickson
patent: 4223747 (1980-09-01), Marais
Pate III William F.
Well Tools, Inc.
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