Petroleum drilling method and apparatus to cool and clean...

Details Petroleum drilling method and apparatus to cool and clean... Petroleum drilling method and apparatus to cool and clean...

2005-12-13

2005-12-13

Bagnell, David (Department: 3672)

Boring or penetrating the earth

With above-ground means for preparing or separating drilling...

C175S066000, C210S512300

Reexamination Certificate

active

06973980

ABSTRACT:
A method and apparatus are provided for drilling for petroleum. The method and apparatus circulate drilling mud through a particle separation apparatus that rapidly removes clay and other chemical additives. The drilling method and apparatus of the invention drastically reduces the amount of water required to drill a petroleum well, processes drilling mud at the well site, and produces water that can be broadcast on ground adjacent the well site, that can be introduced into deep water injection wells, or that can be given to livestock.

REFERENCES:
patent: 5284250 (1994-02-01), Stepenhoff
patent: 2003/0217866 (2003-11-01), deBoer

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