Subterranean zone sealing methods and compositions

Details Subterranean zone sealing methods and compositions Subterranean zone sealing methods and compositions

1998-07-20

2000-05-09

Schoeppel, Roger

Wells

Processes

Cementing, plugging or consolidating

166295, 1663051, 405270, 523130, E21B 3313

Patent

active

060590351

ABSTRACT:
The present invention provides sealing methods and compositions for use in subterranean zones penetrated by well bores. The methods of the invention basically include the steps of preparing a sealing composition which includes an aqueous silicate solution, an epoxide containing liquid and a delayed epoxide hardening agent, placing the sealing composition into a subterranean zone and allowing the sealing composition to set into a rigid impermeable sealing mass in the zone.

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