Wells – Processes – Cementing – plugging or consolidating
Patent
1997-11-26
2000-05-09
Suchfield, George
Wells
Processes
Cementing, plugging or consolidating
106605, 106633, 106634, 166292, 166330, 507202, 507269, C04B 1204, E21B 33138
Patent
active
06059036&
ABSTRACT:
The present invention provides methods and compositions for sealing subterranean zones. The methods of the invention basically comprise the steps of preparing a sealing composition comprised of an aqueous alkali metal silicate solution, a gelling agent and a delayed acid activator for causing the composition to set into a rigid mass, placing the sealing composition in said subterranean zone and allowing the sealing composition to set into a rigid sealing mass therein.
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Chatterji Jiten
Cromwell Roger S.
King Bobby J.
Norman Lewis R.
Onan David D.
Dougherty, Jr. C. Clark
Halliburton Energy Service,s Inc.
Roddy Craig W.
Suchfield George
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