Method and arrangement for improving cuttings removal and reduci

Details Method and arrangement for improving cuttings removal and reduci Method and arrangement for improving cuttings removal and reduci

1980-11-28

1982-11-30

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

166223, 175320, E21B 704, E21B 1700, E21B 2110

Patent

active

043611931

ABSTRACT:
A rotary method and arrangement mitigate differential sticking of a drill string during the drilling of a wellbore and for improving cuttings removal. Tool joints are used for interconnecting joints of drill pipe together into a drill string for use in drilling the wellbore. Nozzles are provided in the tool joints or drill pipe to cause a flow of drilling fluid into the wellbore from the interior of the drill string during the drilling operation to improve removal of the cuttings from the wellbore and mitigate differential sticking of the drill string.

REFERENCES:
patent: 1859490 (1932-05-01), Atkinson
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patent: 3417822 (1968-12-01), Howell
patent: 3795282 (1974-03-01), Oliver
patent: 3908771 (1975-09-01), Garrett
patent: 4050529 (1977-09-01), Tagirov et al.
patent: 4258801 (1981-03-01), Poston

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