Re-use recovered treating fluid

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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Details

C166S279000, C166S305100, C166S308500, C166S310000, C166S371000

Reexamination Certificate

active

06913080

ABSTRACT:
This invention is directed to treating fluid production and subterranean formation treating methods as well as compositions for treating fluids that reuse at least part of a prior treating fluid, particularly a fluid having one or more constituents that can be relinked. This includes conditioning a selected at least partially delinked flow-back fluid, recovered from a first treating fluid pumped into a well, such that the conditioned selected at least partially delinked flow-back fluid provides a constituent for a second treating fluid. Also included are pricing considerations. A composition for a treating fluid includes a treating fluid residual recovered from a well, preferably conditioned as described. Examples of such fluids include fracturing fluids and gravel pack fluids.

REFERENCES:
patent: 4366063 (1982-12-01), O'Connor
patent: 4436635 (1984-03-01), Abrams et al.
patent: 4502959 (1985-03-01), Hansen
patent: 4544032 (1985-10-01), Echols
patent: 5271466 (1993-12-01), Harms
patent: 6488091 (2002-12-01), Weaver et al.

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