Drilling systems and methods

Details Drilling systems and methods Drilling systems and methods

2007-04-04

2010-10-12

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

Processes

C175S007000, C175S324000

Reexamination Certificate

active

07810583

ABSTRACT:
A drilling system comprising a pipe comprising a first end and a second end; a drill bit near a first end of the pipe, adapted to drill a hole in a formation; a pipe rotator near a second end of the pipe adapted to rotate the pipe; and a pump connected to the pipe between the first end and the second end, the pump adapted to transport a fluid from the first end of the pipe to the second end of the pipe, the pump comprising a first portion adapted to rotate with the pipe and a second portion adapted to remain stationary relative to the pipe.

REFERENCES:
patent: 2028407 (1936-01-01), Moleau
patent: 2306118 (1942-12-01), Graham
patent: 4049066 (1977-09-01), Richey
patent: 4368787 (1983-01-01), Messenger
patent: 4630691 (1986-12-01), Hooper
patent: 4744426 (1988-05-01), Reed
patent: 4823891 (1989-04-01), Hommani et al.
patent: 5171139 (1992-12-01), Underwood et al.
patent: 6896075 (2005-05-01), Haugen et al.

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