SETTABLE, FORM-FILLING LOSS CIRCULATION CONTROL COMPOSITIONS COMPRISING IN SITU FOAMED CALCIUM ALUMINATE CEMENT SYSTEMS AND METHODS OF USING THEM
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Abstract
This document relates to settable, hydraulic, non-Portland foamed cement compositions comprising nitrogen gas-generating compositions used for loss circulation control.
1 Citation
23 Claims
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1-18. -18. (canceled)
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19. A method of treating a loss circulation zone in a subterranean formation, the method comprising:
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a) forming a foamed cementitious composition comprising; calcium aluminate; a nitrogen gas-generating compound; an amine activator; and a foam surfactant; and b) introducing the foamed cementitious composition into the loss circulation zone. - View Dependent Claims (20, 21, 22, 23)
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Specification