Method of completing poorly consolidated formations

Details Method of completing poorly consolidated formations Method of completing poorly consolidated formations

2006-03-21

2006-03-21

Suchfield, George (Department: 3676)

Wells

Processes

Cyclic injection then production of a single well

C166S281000, C166S292000, C507S212000, C507S269000, C507S277000

Reexamination Certificate

active

07013973

ABSTRACT:
It is proposed a method for completing an unconsolidated interval, including particulates, in a subterranean formation, including a consolidation steps. The consolidation step is performed by injection of an aqueous solution of colloidal particles with a pH modifier and/or an ionic-strength modifier. A hard gel is formed that holds the particulates together. The consolidation is followed by hydraulic fracturing. Diversion towards area of less permeability may be enhanced by the use of micrometric particles.

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