Wells – Processes – Cementing – plugging or consolidating
Patent
1997-11-20
1999-12-07
Neuder, William
Wells
Processes
Cementing, plugging or consolidating
507903, E21B 3313, C09K 702
Patent
active
059966947
ABSTRACT:
Methods and compositions for preventing high density well completion fluid loss are provided. The methods basically comprise the steps of preparing a high density cross-linked aqueous gelled composition having the rigidity required to resist entry into a permeable subterranean formation penetrated by a well bore, placing the high density cross-linked aqueous gelled composition in the portion of the well bore within the permeable subterranean formation and placing a high density completion fluid in the well bore behind the high density cross-linked gelled composition.
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Cole R. Clay
Dewprashad Brahmadeo T.
Dougherty, Jr. C. Clark
Halliburton Energy Service, Inc.
Kent Robert A.
Kreck John
Neuder William
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