Geopolymer Cement Compositions and Methods of Use
First Claim
Patent Images
1. A geopolymer cement composition comprising:
- a cementitious component consisting essentially of slag and pumice;
a hydroxyl source; and
water.
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Accused Products
Abstract
Methods and compositions are provided that relate to cementing operations. Methods and compositions that include pumice in geopolymer cement compositions comprising slag.
3 Citations
20 Claims
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1. A geopolymer cement composition comprising:
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a cementitious component consisting essentially of slag and pumice; a hydroxyl source; and water. - View Dependent Claims (2, 3, 4, 5)
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6. A geopolymer cement composition comprising:
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a cementation component consisting essentially of slag and pumice; hydrated lime; an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, diatomaceous earth, metakaolin, ground perlite, rice husk ash, zeolite, a resin, a dispersant, a defoaming agent, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a lost-circulation material, a filtration-control additive, a fluid-loss-control additive, a foaming additive, a thixotropic additive, and any combination thereof; and water. - View Dependent Claims (7, 8, 9, 10)
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11. A geopolymer cement composition comprising:
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a cementitious component comprising slag and pumice water; hydrated lime; an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, diatomaceous earth, metakaolin, ground perlite, rice husk ash, zeolite, a resin, a dispersant, a defoaming agent, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a lost-circulation material, a filtration-control additive, a fluid-loss-control additive, a foaming additive, a thixotropic additive, and any combination thereof; - View Dependent Claims (12, 13, 14, 15, 16)
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17. A geopolymer cement composition comprising:
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a cementitious component consisting of slag in an amount in a range of from about 40% to about 60% by weight of the cementitious component and pumice in an amount in a range of from about 40% to about 60% by weight of the cementitious component, wherein the geopolymer cement composition is free of any additional cementitious component; hydrated lime in an amount in a range of from about 0.1% to about 20% by weight of the cementitious component; an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, diatomaceous earth, metakaolin, ground perlite, rice husk ash, zeolite, a resin, a dispersant, a defoaming agent, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a lost-circulation material, a filtration-control additive, a fluid-loss-control additive, a foaming additive, a thixotropic additive, and any combination thereof; and water. - View Dependent Claims (18, 19, 20)
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Specification