초록

Methods and compositions are provided that relate to cementing operations. Methods and compositions that include a latex strength enhancer for enhancing the compressive strength of slag compositions.

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1. A method of cementing comprising: preparing a base fluid comprising a latex strength enhancer, a defoaming agent, and a dispersant;preparing a dry blend comprising slag and a hydroxyl source;combining the base fluid and the dry blend to form a slag composition;introducing the slag composition int

1. A method of cementing comprising: preparing a base fluid comprising a latex strength enhancer, a defoaming agent, and a dispersant;preparing a dry blend comprising slag and a hydroxyl source;combining the base fluid and the dry blend to form a slag composition;introducing the slag composition into a subterranean formation; andallowing the slag composition to set. 2. The method of claim 1, wherein the hydroxyl source comprises a basic material selected from the group consisting of sodium hydroxide, sodium bicarbonate, sodium carbonate, lime, and any combination thereof. 3. The method of claim 1, wherein hydroxyl source is present in the slag composition in an amount of about 0.1% to about 25% by weight of cementitious components in the slag composition. 4. The method of claim 1, wherein the latex strength enhancer comprises a rubber material selected from group consisting of ethylene-propylene rubber, styrene-butadiene rubber, nitrile rubber, nitrile butadiene rubber, butyl rubber, neoprene rubber, polybutadiene rubber, acrylonitrile-styrene-butadiene rubber, polyisoprene rubber, AMPS-styrene-butadiene rubber, and any combination thereof. 5. The method of claim 1, wherein the latex strength enhancer is present in the slag composition an amount of about 1% to about 45% by weight of cementitious components in the slag composition. 6. The method of claim 1, wherein the slag composition comprises cementitious components comprising the slag, and wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components. 7. The method of claim 1, wherein the slag composition further comprises an additive selected from the group consisting of a strength-retrogression additive, a set accelerator, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a fluid loss control additive, a foaming additive, a thixotropic additive, and any combination thereof. 8. The method of claim 1, wherein the slag composition further comprises an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, diatomaceous earth, metakaolin, ground perlite, rice husk ash, natural pozzolan, zeolite, cement kiln dust, a resin, and any combination thereof. 9. The method of claim 1, wherein the slag composition comprises cementitious components comprising the slag, wherein the hydroxyl source is present in the slag composition in an amount of about 1% to about 10% by weight of the cementitious components and comprises lime, wherein the latex strength enhancer is present in the slag composition in an amount of about 5% to about 20% by weight of the cementitious components and comprises AMPS-styrene-butadiene rubber, wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components, and wherein the slag composition has a density of about 14 pounds per gallon to about 17 pounds per gallon. 10. The method of claim 1, wherein the dry blend further comprises a hydraulic cement. 11. The method of claim 1, wherein introducing the slag composition into a subterranean formation comprises introducing the slag composition into a space between a conduit and a well bore wall. 12. A method of cementing comprising: preparing a base fluid comprising a latex strength enhancer, a defoaming agent, and a dispersant;preparing a dry blend comprising slag and a hydroxyl source, wherein the hydroxyl source is present in an amount of about 0.1% to about 25% by weight of cementitious components in the dry blend, and wherein the hydroxyl source comprises a basic material selected from the group consisting of sodium hydroxide, sodium bicarbonate, sodium carbonate, lime, and any combination thereof;combining the base fluid and the dry blend to form a slag composition;introducing the slag composition into a subterranean formation; andallowing the slag composition to set. 13. The method of claim 12, wherein the latex strength enhancer comprises a rubber material selected from group consisting of ethylene-propylene rubber, styrene-butadiene rubber, nitrile rubber, nitrile butadiene rubber, butyl rubber, neoprene rubber, polybutadiene rubber, acrylonitrile-styrene-butadiene rubber, polyisoprene rubber, AMPS-styrene-butadiene rubber, and any combination thereof. 14. The method of claim 12, wherein the latex strength enhancer is present in the slag composition an amount of about 1% to about 45% by weight of cementitious components in the slag composition. 15. The method of claim 12, wherein the slag composition comprise cementitious components comprising the slag, and wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components. 16. The method of claim 12, wherein the slag composition further comprises an additive selected from the group consisting of a strength-retrogression additive, a set accelerator, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a fluid loss control additive, a foaming additive, a thixotropic additive, and any combination thereof. 17. The method of claim 12, wherein the slag composition further comprises an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, diatomaceous earth, metakaolin, ground perlite, rice husk ash, natural pozzolan, zeolite, cement kiln dust, a resin, and any combination thereof. 18. The method of claim 12, wherein the slag composition further comprises cementitious components comprising the slag, wherein the hydroxyl source is present in the slag composition in an amount of about 1% to about 10% by weight of the cementitious components and comprises lime, wherein the latex strength enhancer is present in the slag composition in an amount of about 5% to about 20% by weight of the cementitious components and comprises AMPS-styrene-butadiene rubber, wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components, and wherein the slag composition has a density of about 14 pounds per gallon to about 17 pounds per gallon. 19. The method of claim 12, wherein the dry blend further comprises a hydraulic cement. 20. The method of claim 12, wherein introducing the slag composition into a subterranean formation comprises introducing the slag composition into a space between a conduit and a well bore wall. 21. A method of cementing comprising: preparing a base fluid comprising AMPS-styrene-butadiene rubber, a defoaming agent, and a dispersant;preparing a dry blend comprising slag and a hydroxyl source;combining the base fluid and the dry blend to form a slag composition;introducing the slag composition into a subterranean formation; andallowing the slag composition to set. 22. The method of claim 21, wherein the hydroxyl source comprises a basic material selected from the group consisting of sodium hydroxide, sodium bicarbonate, sodium carbonate, lime, and any combination thereof. 23. The method of claim 21, wherein hydroxyl source is present in the slag composition in an amount of about 0.1% to about 25% by weight of cementitious components in the slag composition. 24. The method of claim 21, wherein the AMPS-styrene-butadiene rubber is present in the slag composition an amount of about 1% to about 45% by weight of cementitious components in the slag composition. 25. The method of claim 21, wherein the slag composition comprises cementitious components comprising the slag, and wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components in the slag composition. 26. The method of claim 21, wherein the slag composition further comprises an additive selected from the group consisting of a strength-retrogression additive, a set accelerator, a set retarder, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a fluid loss control additive, a foaming additive, a thixotropic additive, and any combination thereof. 27. The method of claim 21, wherein the slag composition further comprises an additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, a fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, diatomaceous earth, metakaolin, ground perlite, rice husk ash, natural pozzolan, zeolite, cement kiln dust, a resin, and any combination thereof. 28. The method of claim 21, wherein the slag composition comprises cementitious components comprising the slag, wherein the hydroxyl source is present in the slag composition in an amount of about 1% to about 10% by weight of the cementitious components and comprises lime, wherein the AMPS-styrene-butadiene rubber is present in the slag composition in an amount of about 5% to about 20% by weight of the cementitious components, wherein the slag is present in the slag composition in an amount of at least about 40% by weight of the cementitious components, and wherein the slag composition has a density of about 14 pounds per gallon to about 17 pounds per gallon. 29. The method of claim 21, wherein the dry blend further comprises a hydraulic cement. 30. The method of claim 21, wherein introducing the slag composition into a subterranean formation comprises introducing the slag composition into a space between a conduit and a well bore wall.