Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting
Reexamination Certificate
2005-11-26
2009-08-18
Gay, Jennifer H (Department: 3676)
Boring or penetrating the earth
With above-ground means for handling drilling fluid or cutting
C175S206000, C175S217000, C175S218000
Reexamination Certificate
active
07575072
ABSTRACT:
An improved cuttings system located adjacent a drilling rig's shale shaker system utilizing a vacuum collection/gravity fed processing system, thereby eliminating expensive and complicated cuttings transfer systems. The use of a vacuum cuttings collection system combined within a common fluid-filled open tank and submersible grinding pumps eliminate the need for extensive circulating and holding systems. Cuttings are sized and chemically prepared within the same tank and fed directly to an injection pump for discharge to cuttings transport tanks or injected down hole. Other improvements include non-restrictive cuttings sizing, filtering, and an injection pump cuttings relief system.
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Fuller Robert E
Gay Jennifer H
Lemoine & Associates L.L.C.
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