Abstract: Described herein is a low-temperature catalyst and method of use for causing an exothermic reaction in a low temperature environment. The mixture can include sodium nitrite, an ammonium-based compound, and an oxidizer and can be injected into a fluid flow path. The fluid flow path can be a pipeline, a flowline, a wellbore, or a subterranean formation. The mixture can cause an exothermic reaction in the fluid flow path and remove, using the exothermic reaction, a damaging material from the fluid flow path.

Abstract: Methods and system for using salting out inhibitors in subterranean formations are provided. In some embodiments, the methods comprise introducing a treatment fluid comprising an aqueous base fluid, a salting out inhibitor, a gelling agent, and one or more salts into at least a portion of a subterranean formation, wherein the salting out inhibitor is selected from the group consisting of: an oligomer comprising one or more quaternary ammonium cations, a polymer comprising one or more quaternary ammonium cations, a source of one or more phosphate anions, and any combination thereof.

Abstract: A breaker composition comprising (i) a first acid precursor, (ii) a second acid precursor and (iii) an aqueous fluid wherein the first acid precursor has an effective operating temperature of from about 15° C. to about 120° C. and the second acid precursor has an effective operating temperature of from about 30° C. to about 180° C.

Abstract: A breaker composition comprising (i) a first acid precursor, (ii) a second acid precursor and (iii) an aqueous fluid wherein the first acid precursor has an effective operating temperature of from about 15° C. to about 120° C. and the second acid precursor has an effective operating temperature of from about 30° C. to about 180° C.

Abstract: Methods and system for using salting out inhibitors in subterranean formations are provided. In some embodiments, the methods comprise introducing a treatment fluid comprising an aqueous base fluid, a salting out inhibitor, a gelling agent, and one or more salts into at least a portion of a subterranean formation, wherein the salting out inhibitor is selected from the group consisting of: an oligomer comprising one or more quaternary ammonium cations, a polymer comprising one or more quaternary ammonium cations, a source of one or more phosphate anions, and any combination thereof.

Abstract: Methods and system for using salting out inhibitors in subterranean formations are provided. In some embodiments, the methods comprise introducing a treatment fluid comprising an aqueous base fluid, a salting out inhibitor, a gelling agent, and one or more salts into at least a portion of a subterranean formation, wherein the salting out inhibitor is selected from the group consisting of: an oligomer comprising one or more quaternary ammonium cations, a polymer comprising one or more quaternary ammonium cations, a source of one or more phosphate anions, and any combination thereof.

Abstract: Well treatments that use modified biopolymers for diversion, conformance, fluid loss control, and/or other well treatments, including a method of providing conformance, fluid loss control, or diversion in a subterranean formation, may include providing a treatment fluid including a base fluid and hydrogel particles which may include modified biopolymers that are crosslinked, the modified biopolymers may include a biopolymer backbone and side chains derived from synthetic monomers; and introducing the treatment fluid into a subterranean formation penetrated by a wellbore.

Abstract: Methods and system for using salting out inhibitors in subterranean formations are provided. In some embodiments, the methods comprise introducing a treatment fluid comprising an aqueous base fluid, a salting out inhibitor, a gelling agent, and one or more salts into at least a portion of a subterranean formation, wherein the salting out inhibitor is selected from the group consisting of: an oligomer comprising one or more quaternary ammonium cations, a polymer comprising one or more quaternary ammonium cations, a source of one or more phosphate anions, and any combination thereof.

Abstract: Methods, compositions, and systems that use hydrogels of graft polymers for diversion of acidic treatment fluids in subterranean formations. A method for acid diversion may comprise: applying a first acidizing treatment to a first treatment zone of a subterranean formation; introducing a hydrogel to the first treatment zone, wherein the hydrogel comprises a graft polymer that is crosslinked; and applying a second acidizing treatment to the subterranean formation, wherein the hydrogel diverts the second acidizing treatment to a second treatment zone.

Abstract: A well treatment fluid comprising an aqueous base fluid and polymer gelling agent is provided. The polymer gelling agent is selected from the group of basil seed gum, derivatives of basil seed gum, and combinations thereof. Also provided is a method of treating a well. In one embodiment, for example, the method is a method of fracturing a subterranean formation. In another embodiment, for example, the method is a method of forming a gravel pack in a well.

Abstract: Acidic treatment fluids and compounds for retarding formation of precipitates in acidizing operations are provided. A method may introducing an acidic treatment fluid into a subterranean formation; wherein the acidic treatment fluid comprises a carrier fluid, an acid compound, a zwitterionic compound, and an anionic compound; and wherein the acid compound interacts with the subterranean formation to dissolve acid-soluble components of the subterranean formation.

Abstract: Methods, compositions, and systems that may be used for the selective reduction of water permeability of subterranean formations using hydrogel polymer materials are provided. An embodiment of the present disclosure is a method comprising: providing a treatment fluid comprising a carrier fluid and a hydrogel polymer comprising the reaction product of a polysaccharide and a derivative of acrylic acid; and introducing the treatment fluid into a wellbore that penetrates at least a portion of a subterranean formation.

Abstract: Methods, compositions, and systems that use hydrogels of graft polymers for diversion of acidic treatment fluids in subterranean formations. A method for acid diversion may comprise: applying a first acidizing treatment to a first treatment zone of a subterranean formation; introducing a hydrogel to the first treatment zone, wherein the hydrogel comprises a graft polymer that is crosslinked; and applying a second acidizing treatment to the subterranean formation, wherein the hydrogel diverts the second acidizing treatment to a second treatment zone.

Abstract: Well treatments that use modified biopolymers for diversion, conformance, fluid loss control, and/or other well treatments, including a method of providing conformance, fluid loss control, or diversion in a subterranean formation, comprising: providing a treatment fluid comprising a base fluid and hydrogel particles, wherein the hydrogel particles comprise modified biopolymers that are crosslinked, the modified biopolymers comprising a biopolymer backbone and a side chains derived from synthetic monomers; and introducing the treatment fluid into a subterranean formation penetrated by a wellbore.

Abstract: Various embodiments disclosed relate to carbon dioxide-viscosifiable compositions for subterranean treatment. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in a subterranean formation an aqueous composition including a compound including at least one secondary or tertiary amine group. The method also includes bubbling a gas including CO2 through the aqueous composition sufficient to protonate or carboxylate the amine group and increase the viscosity of the aqueous composition.