Methods for recovery and reuse of lost circulation material

Details Methods for recovery and reuse of lost circulation material Methods for recovery and reuse of lost circulation material

2007-12-11

2009-08-04

Bates, Zakiya W. (Department: 3676)

Boring or penetrating the earth

Processes

Boring with specific fluid

C175S072000, C175S206000, C175S209000, C166S075120

Reexamination Certificate

active

07568535

ABSTRACT:
A system for recovering lost circulation material from spent drilling fluid, the spent drilling fluid containing lost circulation material, drilling fluid, and undesirable solids, the system having alternating separation apparatuses, including sizing apparatus, destiny/shear separation apparatus, and sizing apparatus; and methods for using such a system.

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