Abstract: Disclosed are spacer fluids comprising cement kiln dust (“CKD”) and methods of use in subterranean formations.

Abstract: Disclosed are spacer fluids comprising cement kiln dust (“CKD”) and methods of use in subterranean formations.

Abstract: Methods of cementing comprising: providing a cement composition comprising a cement, water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; placing the cement composition into a location to be cemented; and allowing the cement composition to set therein. Cement compositions comprising a cement; water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone. Fluid loss control additives comprising: a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; and a dispersant.

Abstract: Methods of cementing comprising: providing a cement composition comprising a cement, water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; placing the cement composition into a location to be cemented; and allowing the cement composition to set therein. Cement compositions comprising a cement; water, and a fluid loss control additive comprising a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone. Fluid loss control additives comprising: a cationic cellulose ether, the cationic cellulose ether comprising a backbone of anhydroglucose units and a plurality of positively charged substituent groups spaced along the backbone; and a dispersant.

Abstract: Provided herein are foamed cement composition that comprises a hydraulic cement, water, a gas, a foaming and stabilizing surfactant, and a fluid loss control additive comprising a copolymer.

Abstract: Provided herein are settable spotting compositions that comprise cement kiln dust and associated methods of use. Also provided are methods that comprise providing a settable spotting composition comprising cement kiln dust; introducing the settable spotting composition into a well bore that penetrates the subterranean formation so as to displace at least a portion of a second fluid from the well bore.

Abstract: The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the cement composition; introducing the cement composition into a location to be cemented; and allowing the cement composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the cement composition; introducing the cement composition into a location to be cemented; and allowing the cement composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and combinations thereof. The settable compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the settable composition; introducing the settable composition into a location to be cemented; and allowing the settable composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and combinations thereof. The settable compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the settable composition; introducing the settable composition into a location to be cemented; and allowing the settable composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and combinations thereof. The settable compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the settable composition; introducing the settable composition into a location to be cemented; and allowing the settable composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: Settable compositions that comprise water, CKD, and microspheres, wherein the lightweight settable composition has a density less than about 13 pounds per gallon. Methods of cementing that comprise providing a lightweight settable composition having a density less than about 13 pounds per gallon, the lightweight settable composition comprising water, CKD, and microspheres, introducing the lightweight settable composition into a location to be cemented and allowing the lightweight settable composition to set therein.

Abstract: The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and combinations thereof. The settable compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the settable composition; introducing the settable composition into a location to be cemented; and allowing the settable composition to set therein. The location to be cemented may be above ground or in a subterranean formation.

Abstract: Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises water, a hydraulic cement, and a plurality of basalt fibers; introducing the cement composition into a subterranean formation; allowing the cement composition to set therein. Also provided are methods of cementing a pipe string in a well bore and methods of enhancing the compressive strength of a cement composition.

Abstract: Resilient cement compositions and methods of cementing using the compositions are disclosed. A resilient cement composition of the invention comprises hydraulic cement, an aqueous rubber latex and a rubber latex stabilizing surfactant comprising an iso-dodecyl alcohol ether sulfonate ethoxylated with from about 10 to about 20 moles of ethylene oxide.

Abstract: Cement compositions comprising carboxylated inulin and methods of using the same to cement a workspace. In one embodiment, a method of cementing includes providing a cement composition comprising a carboxylated inulin, for example, in a subterranean formation. The method further includes allowing the cement composition to set. In some embodiments, the cement composition has a thickening time of from about 2 hours to about 11 hours. In other embodiments, the cement composition has a viscosity that is about constant for a period of time after the cement composition is placed.

Abstract: The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizing additive comprising a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride and water.

Abstract: The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizing additive comprising a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride and water.

Abstract: The present invention relates to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing additive, that comprises a mixture of an alkali salt of an alkyl ether sulfate surfactant, wherein the alkali salt of the alkyl ether sulfate surfactant comprises a mixture of an alkali salt of a C6-10 alkyl ether sulfate surfactant, and an alkali salt of a C2-4 alkyl ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, an alkyl or alkene amidopropyl dimethylamine oxide surfactant, sodium chloride, and water, is provided. Also provided are foamed cement compositions that comprise the foaming and stabilizing additive, and associated methods.

Abstract: The present invention includes methods of cementing, cement compositions and a suspending agent comprising boron treated low molecular weight dry ground guar splits. A cement composition of the invention comprises hydraulic cement, water and a boron treated low molecular weight dry ground guar splits suspending agent. A method of cementing comprising the steps of preparing a cement composition that comprises hydraulic cement, water and a suspending agent comprising boron treated low molecular weight dry ground guar splits; placing the cement composition in a location to be cemented; and allowing the cement composition to set.