Method for consolidating formation surrounding borehole

Details Method for consolidating formation surrounding borehole Method for consolidating formation surrounding borehole

1986-06-30

1987-11-03

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166302, 166295, E21B 33138

Patent

active

047038004

ABSTRACT:
There is disclosed a process for transforming an unconsolidated formation surrounding a borehole into a consolidated state for the prevention of the migration of small particles during the removal of fluid from the borehole. The formation is heated to a predetermined temperature capable of supporting low temperature oxidation, precipitation of asphaltenes occurs in the formation upon injection of unheated air, without fracturing the formation, into the borehole and results in consolidation of the formation.

REFERENCES:
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patent: 3104705 (1963-09-01), Ortloff et al.
patent: 3147805 (1964-09-01), Goodwin et al.
patent: 3292701 (1966-12-01), Goodwin et al.
patent: 3483926 (1969-12-01), Bruist
patent: 3522845 (1970-08-01), Bauer
patent: 3812913 (1974-05-01), Hardy et al.
patent: 3871455 (1975-03-01), Hardy et al.
patent: 3910351 (1975-10-01), Wu et al.
patent: 3974877 (1976-08-01), Redford
patent: 4501328 (1985-02-01), Nichols

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