Drilling mud filtration device

Details Drilling mud filtration device Drilling mud filtration device

2005-12-20

2005-12-20

Tsay, Frank S. (Department: 3672)

Boring or penetrating the earth

Processes

C175S206000, C175S207000, C210S435000, C210S448000, C210S452000

Reexamination Certificate

active

06976546

ABSTRACT:
A filter system for filtering drill bit cuttings, shavings, and other abrasive articles from a drilling mud that is passed through an oil or gas well drilling system is provided that includes an overhead drilling system, a drill string connected to the overhead drilling system, and a mud filter for filtering the drilling mud, wherein the mud filter is disposed within a drilling mud fluid passageway that extends from the entry point of the drilling mud into the overhead drilling system and the entry point of the drilling mud into the drill string.

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International Search Report for International Application No. PCT/US03/17458; 3pp.
International Search Report mailed Apr. 27, 2005, for International Application PCT/US2003/017458 filed Jun. 3, 2003 (11 pgs.).

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