Foaming of Set-Delayed Cement Compositions Comprising Pumice and Hydrated Lime
First Claim
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1. A foamed set-delayed cement composition comprising:
- water,pumice,hydrated lime,a foaming additive,entrained gas, anda set retarder.
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Abstract
A variety of methods and compositions are disclosed, including, in one embodiment a method a cementing in a subterranean formation comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; foaming the set-delayed cement composition; activating the set-delayed cement composition; introducing the set-delayed cement composition into a subterranean formation; and allowing the set-delayed cement composition to set in the subterranean formation. Additional methods, foamed set-delayed cement composition, and systems for cementing are also provided.
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Citations
20 Claims
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1. A foamed set-delayed cement composition comprising:
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water, pumice, hydrated lime, a foaming additive, entrained gas, and a set retarder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A foamed set-delayed cement composition comprising:
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water, pumice, hydrated lime, a foaming additive, entrained gas, Portland cement, and a set retarder wherein the set retarder comprises a primary retarder and a secondary retarder. - View Dependent Claims (18, 19, 20)
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Specification