Abstract: Cement compositions and associated methods for cementing. An example method includes introducing a cement composition into a wellbore penetrating a subterranean formation, the cement composition comprising a composite material, a cement, and an aqueous fluid. The composite material comprises a monophase amorphous hydraulic binder material and a particulate core. The monophase amorphous hydraulic binder material coats the particulate core. The method further comprises allowing the cement composition to set in the wellbore.

Abstract: Cement compositions for primary cementing of well bores where a liquid mixture of pre-hydrated cementitious particles are combined with cement particles to form a cement composition.

Abstract: A method of determining slurry mixability may include: providing a dry blend comprising one or more particulate materials; calculating a minimum water requirement of the dry blend; calculating a water requirement of a slurry having a target slurry density and comprising the dry blend; determining if the slurry is mixable based on the water requirement of the slurry and the minimum water requirement; and preparing the slurry if the slurry is mixable.

Abstract: A method of servicing a wellbore may comprise providing a treatment fluid comprising a carrier fluid and hollow particles, wherein the hollow particles may comprise an outer wall that encapsulates a gas. The method may further comprise introducing the treatment fluid into a wellbore annulus and trapping at least a portion of the treatment fluid in the wellbore annulus. The carrier fluid may degrade the outer wall of the hollow particles in the wellbore annulus and release the encapsulated gas.

Abstract: Methods of wellbore cementing are provided. A method of generating a wellbore treatment fluid may include: classifying a plurality of solid particulates using correlations; calculating a reactive index and/or a water requirement for at least one of the solid particulates; and selecting two or more solid particulates from the plurality of solid particulates to create a wellbore treatment fluid.

Abstract: Methods and compositions including treatment fluids that include geopolymers for use in subterranean formations are provided. The methods of the present disclosure include introducing a treatment fluid including a geopolymer material into a wellbore penetrating at least a portion of a subterranean formation, wherein the geopolymer material includes an aluminosilicate source, a metal silicate source, an activator, and water; contacting a first fluid present in the wellbore with the treatment fluid; and allowing the treatment fluid to displace at least a portion of the first fluid from at least a portion of the wellbore.

Abstract: Methods and compositions for using geopolymers to create storable cementitious slurries used for oil and gas well cementing are provided. The methods of the present disclosure include providing a set-delayed geopolymer cement composition including a geopolymer; activating the set-delayed geopolymer cement composition; introducing the set-delayed geopolymer cement composition into at least a portion of a subterranean formation; and allowing the set-delayed geopolymer cement composition to set in the subterranean formation.

Abstract: Methods and compositions for treating subterranean formations to mitigate lost circulation are provided. The methods of the present disclosure include forming a treatment fluid including one or more geopolymer lost circulation materials; introducing the treatment fluid into at least a portion of a subterranean formation that includes at least one loss zone; activating the geopolymer lost circulation materials to form a geopolymer that imparts a thixotropic property to the treatment fluid; and allowing the treatment fluid exhibiting the thixotropic property to at least partially reduce a rate of loss associated with the loss zone.

Abstract: A bulk dry cement may comprise a cement; a solid particle; and a liquid resin accelerator, wherein the liquid resin accelerator is disposed on a surface of the solid particle.

Abstract: A method may include comprising: defining engineering parameters of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a set cement formed from the cement, the at least one supplementary cementitious material, and the water meets or exceeds the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereof, the at least one supplementary cementitious material and mass fraction thereof, the water and

Abstract: A method may include: defining engineering parameter of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a cement slurry formed from the cement, the at least one supplementary cementitious material, and the water meets the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; selecting, based at least in part on a model of activator thickening time, an activator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereof

Abstract: A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, water and concentration thereof, and, optionally, at least one supplementary cementitious material and a concentration thereof, such that a cement slurry comprising the cement, the water, and, if present, the at least one supplementary cementitious material, meet a density requirement; (b) calculating a thickening time of the cement slurry using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement, wherein steps (a)-(c) are repeated if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the selecting comprises selecting different concentrations and/or different chemical identities for the cement and/or the supplementary cementitious material than previously selected, or step (d) is performed if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and p

Abstract: Expansive cement compositions for use in subterranean wellbores that include a monophase amorphous hydraulic binder material (MAHBM). The MAHBM may include a plurality of particles having a silica core and an amorphous coating substantially surrounding the silica core. The coating may comprise, for example, a plurality of amorphous ?-dicalcium silicate hydrate nanoparticles or microparticles. The MAHBM may be used as an expansion agent in a cement composition or used as an expansive cement by itself.

Abstract: A method of designing a cement slurry may include: providing a cement slurry recipe comprising water and at least one cementitious component; creating a model of a compressive strength of the cement recipe for a given time; preparing a cement slurry based at least in part on the model; and introducing the cement slurry into a subterranean formation.

Abstract: Cement compositions and associated methods for cementing. An example method includes introducing a cement composition into a wellbore penetrating a subterranean formation, the cement composition comprising a composite material, a cement, and an aqueous fluid. The composite material comprises a monophase amorphous hydraulic binder material and a particulate core. The monophase amorphous hydraulic binder material coats the particulate core. The method further comprises allowing the cement composition to set in the wellbore.

Abstract: Methods and compositions for treating subterranean formations to mitigate lost circulation are provided. The methods of the present disclosure include forming a treatment fluid including one or more geopolymer lost circulation materials; introducing the treatment fluid into at least a portion of a subterranean formation that includes at least one loss zone; activating the geopolymer lost circulation materials to form a geopolymer that imparts a thixotropic property to the treatment fluid; and allowing the treatment fluid exhibiting the thixotropic property to at least partially reduce a rate of loss associated with the loss zone.

Abstract: A method of cementing may comprise: providing a bulk dry cement, wherein the bulk dry cement comprises a dry blend of cement and a solid resin accelerator, wherein the solid resin accelerator comprises a liquid resin accelerator on a solid particle; preparing a cement slurry comprising: the bulk dry cement; water; and a liquid hardenable resin component; and introducing the cement slurry into a wellbore.

Abstract: Cement compositions for use in subterranean wellbores that include a monophase amorphous hydraulic binder material (MAHBM). The MAHBM may include a plurality of particles having a silica core and an amorphous coating substantially surrounding the silica core. The coating may comprise a plurality of amorphous particles, such as ?-dicalcium silicate hydrate nanoparticles or microparticles. The MAHBM may be used as a strength retrogression mitigating additive in a cement composition or used as a high temperature cement.

Abstract: A method may include: providing a spacer fluid comprising water and an agglomerated zeolite catalyst; and displacing a drilling fluid in a wellbore using the spacer fluid. The agglomerated zeolite catalyst may be a spent agglomerated zeolite catalyst and may include a matrix, a filler, a binder, and zeolite crystals. The zeolite crystals may be selected from the group consisting of type x, type y, ultra-stable type y, ZSM-5, SAPO-11, silicalite-1, mordenite, ferrierite, beta, and combinations thereof.

Abstract: Methods of cementing include providing a geopolymer cement composition that includes a monophase amorphous hydraulic binder material (MAHBM), a metal silicate, an alkaline activator, and a carrier fluid, introducing the geopolymer cement composition into a subterranean formation, and allowing the geopolymer cement composition to set in the subterranean formation. The MAHBM includes silica or alumina core particulates coated with an amorphous calcium silicate hydrate.