Abstract: Methods comprising: providing an aqueous treatment fluid comprising an aqueous fluid, a friction reducing polymer, and an antiflocculation additive; and introducing the treatment fluid into a subterranean formation. Methods of fracturing a subterranean formation comprising: providing an aqueous treatment fluid comprising an aqueous fluid, a friction reducing polymer, and an antiflocculation additive; and introducing the treatment fluid into a well bore penetrating the subterranean formation at rate in the range of from about 30 barrels to about 250 barrels per minute so as to create or enhance one or more fractures in the subterranean formation. Aqueous treatment fluids comprising: an aqueous fluid, a friction reducing polymer in an amount sufficient to reduce friction without forming a gel, and an antiflocculation additive.

Abstract: The present invention relates to polymer-coated particulates suitable for use in subterranean operations such as gravel packing, frac-packing, and hydraulic fracturing. One embodiment of the present invention provides improved particulates for use in a subterranean formation, comprising particulates at least partially coated with a polymer, wherein the polymer is deposited on the particulates by at least partially coating the particulates with a polymer solution comprising the polymer and a solvent and then exposing the particulates to an aqueous medium such that the solvent substantially dissociates from the polymer solution and such that the polymer substantially remains on the particulates.

Abstract: The present invention relates to improved low-quality particulates and methods of making such improved particulates. A method of treating a portion of a subterranean formation, comprising providing a slurry comprising a treatment fluid and low-quality particulates at least partially coated with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid; introducing the slurry into a subterranean formation; and, depositing the coated, low-quality particulates into the portion of this subterranean formation. A method of improving particulates, comprising at least partially coating low-quality particulates with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid.

Abstract: The present invention relates to improved low-quality particulates and methods of making such improved particulates. A method of treating a portion of a subterranean formation, comprising providing a slurry comprising a treatment fluid and low-quality particulates at least partially coated with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid; introducing the slurry into a subterranean formation; and, depositing the coated, low-quality particulates into the portion of this subterranean formation. A method of improving particulates, comprising at least partially coating low-quality particulates with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid.

Abstract: Improved methods for stabilizing unconsolidated subterranean formation particulates and reducing permeability of a subterranean formation to water. Some methods describe methods of stabilizing unconsolidated subterranean formation particulates and reducing the permeability of water comprising providing a portion of a subterranean formation that comprises unconsolidated formation particulates; introducing a fluid comprising a relative permeability modifier into at least a portion of the subterranean formation so as to at least partially reduce the permeability of that portion of the subterranean formation to water; and, introducing a fluid comprising a consolidating agent into at least a portion of the subterranean formation so as to at least partially consolidate the unconsolidated formation particulates.

Abstract: Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the formation or damage contained therein. In another embodiment, herein provided is a fluid for subterranean uses comprising an acid and crosslinked, oxidized xanthan.

Abstract: Many methods and compositions are provided. One of the methods provided comprises the steps of: providing an aqueous treatment fluid that comprises a polysaccharide and a dual functional component, the aqueous treatment fluid having a first viscosity; allowing the dual functional component to interact with the polysaccharide such that the viscosity of the aqueous treatment fluid increases to a second viscosity, the second viscosity being greater than the first viscosity; placing the aqueous treatment fluid into a subterranean formation; and allowing the dual functional component to interact with the polysaccharide so as to reduce the second viscosity of the aqueous treatment fluid to a third viscosity, the third viscosity being less than the second viscosity. An example of a composition is a viscosified treatment fluid for treating subterranean formations comprising: an aqueous base fluid and an apparent cross linked reaction product of a polysaccharide and a dual functional component.

Abstract: The present invention relates to improved low-quality particulates and methods of making such improved particulates. A method of treating a portion of a subterranean formation, comprising providing a slurry comprising a treatment fluid and low-quality particulates at least partially coated with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid; introducing the slurry into a subterranean formation; and, depositing the coated, low-quality particulates into the portion of this subterranean formation. A method of improving particulates, comprising at least partially coating low-quality particulates with an aqueous tackifying composition, wherein the aqueous tackifying composition comprises an aqueous tackifier compound and an aqueous liquid.

Abstract: Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the formation or damage contained therein. In another embodiment, herein provided is a fluid for subterranean uses comprising an acid and crosslinked, oxidized xanthan.

Abstract: Among many things, in some embodiments, dual-function additives that enhance fluid loss control and the stability of viscoelastic surfactant fluids, and their associated methods of use in subterranean formations, are provided. In one embodiment, the methods comprise: providing a viscoelastic surfactant fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive that comprises a soap component; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.

Abstract: Acidic treatment fluids used in industrial and/or subterranean operations, and more particularly, acidic treatment fluids comprising clarified xanthan gelling agents, and methods of use in industrial and/or subterranean operations, are provided. In one embodiment, the acidic treatment fluids comprise an aqueous base fluid, an acid, and a gelling agent comprising clarified xanthan.

Abstract: Acidic treatment fluids used in industrial and/or subterranean operations, and more particularly, acidic treatment fluids comprising clarified xanthan gelling agents, and methods of use in industrial and/or subterranean operations, are provided. In one embodiment, the methods comprise: providing an acidic treatment fluid that comprises an aqueous base fluid, an acid, and a gelling agent that comprises clarified xanthan; and introducing the acidic treatment fluid into a portion of a subterranean formation.

Abstract: Among many things, in some embodiments, dual-function additives that enhance fluid loss control and the stability of viscoelastic surfactant fluids, and their associated methods of use in subterranean formations, are provided. In one embodiment, the methods comprise: providing a viscoelastic surfactant fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive that comprises a soap component; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.

Abstract: Of the many methods provided herein, one method of reducing the viscosity of a viscosified treatment fluid includes: providing a clean-up composition comprising a carboxylic acid; providing a chlorite-based breaker system; providing a viscosified treatment fluid; placing the viscosified treatment fluid in a subterranean formation via a well bore penetrating the subterranean formation; contacting the viscosified treatment fluid with the clean-up composition; contacting the viscosified treatment fluid with the chlorite-based breaker; and allowing the viscosity of the viscosified treatment fluid to reduce. Also provided herein are methods that include a method of reducing polymeric residue from a subterranean formation that includes: placing a clean-up composition and a chlorite-based breaker system in a subterranean formation in contact with an amount of polymeric residue; and allowing the amount of polymeric residue present in the formation to be reduced.

Abstract: A fluid for use in a subterranean formation penetrated by a wellbore, the fluid comprising: (a) water; (b) an orthoester; and (c) a surfactant comprising a tertiary alkyl amine ethoxylate generally represented by the following formula: (CH2—CH2—O)XH R—N< (CH2—CH2—O)YH wherein R is an alkyl group or aryl group, and wherein X and Y are each independently at least one. A method of fracturing a subterranean formation, comprising the step of forming a foamed fracturing fluid comprising water; an orthoester; a surfactant comprising a tertiary alkyl amine ethoxylate generally represented by the formula above; and a gas. The method also provides the step of introducing the foamed fracturing fluid into a subterranean formation at a pressure sufficient to create a fracture in the subterranean formation.

Abstract: Among many things, in some embodiments, dual-function additives that enhance fluid loss control and the stability of viscoelastic surfactant fluids, and their associated methods of use in subterranean formations, are provided. In one embodiment, the methods comprise: providing a viscoelastic surfactant fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive that comprises a soap component; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.

Abstract: A variety of methods and compositions are disclosed, including, in one embodiment, a method that comprises: introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises water and a concentrated polymer composition comprising a complexing agent and a friction reducing polymer. Also disclosed is a method that comprises combining at least water and a concentrated polymer composition to form a treatment fluid, wherein the concentrated polymer composition comprises a complexing agent and a friction reducing polymer; and introducing the treatment fluid into a subterranean formation. Also disclosed is a concentrated polymer composition comprising: a friction reducing polymer in an amount of about 15% to about 60% by weight of the composition; and a complexing agent.

Abstract: Methods and compositions including a method comprising: providing a treatment fluid comprising an aqueous fluid, a relative permeability modifier, and a chelating agent; introducing the treatment fluid into a well bore that penetrates a subterranean formation; and allowing at least a first portion of the treatment fluid to penetrate into a portion of the subterranean formation so as to substantially divert a second portion of the treatment fluid to another portion of the subterranean formation.

Abstract: In one embodiment, a method is provided comprising: providing an acidic treatment fluid that comprises a gelling agent that comprises an aqueous base fluid, an acid, and a gelling agent that comprises scleroglucan and/or diutan; and introducing the acidic treatment fluid into a subterranean formation.

Abstract: Provided are methods that include a method comprising: placing a clean fluid comprising proppant particulates into a portion of a fracture in a subterranean formation, and depositing one or more of the proppant particulates into the fracture to form a partial monolayer. In another aspect, the invention provides methods that include placing a degradable fluid loss additive comprising collagen into a subterranean formation.