Abstract: Provided are methods and systems for treating a subterranean formation. One such method includes preparing an emulsion comprising: an aqueous liquid; a multifunction hydrolysable oil; a co-solvent; and a surfactant. The method further includes combining the emulsion with a carrier fluid to provide a treatment fluid. The method additionally includes introducing the treatment fluid to the subterranean formation. The method also includes contacting hydrocarbons within the subterranean formation with the treatment fluid, and hydrolyzing the multifunction hydrolysable oil to provide an organic acid and an alcohol within the subterranean formation.

Abstract: The embodiments herein relate generally to subterranean formation operations and, more particularly, to surfactant flowback aids for use in subterranean formation operations. The surfactant flowback aid composition may comprise an aqueous phase comprising an aqueous base fluid, a surfactant blend, and a demulsifier. The surfactant blend may comprise a C8-C18 alcohol ethoxy-late; a fatty acid alkanolamide; and optionally, a surfactant selected from the group consisting of a non-ionic surfactant, an anionic surfactant, a cationic surfactant, an amphoteric surfactant, and any combination thereof. The demulsifier may be selected from the group consisting of a desalter agent to separate water from crude oil, a treater agent to flocculate submicron particulates from crude oil, and any combination thereof.

Abstract: Various embodiments disclosed relate to methods of treating subterranean formations including sequential use of at least two surfactants. In various embodiments, the present invention provides a method of treating a subterranean formation including sequentially placing in the subterranean formation a penetrating-aid surfactant and a pore-declogging surfactant.

Abstract: Provided are methods and systems for treating a subterranean formation. One such method includes preparing an emulsion comprising: an aqueous liquid; a multifunction hydrolysable oil; a co-solvent; and a surfactant. The method further includes combining the emulsion with a carrier fluid to provide a treatment fluid. The method additionally includes introducing the treatment fluid to the subterranean formation. The method also includes contacting hydrocarbons within the subterranean formation with the treatment fluid, and hydrolyzing the multifunction hydrolysable oil to provide an organic acid and an alcohol within the subterranean formation.

Abstract: The embodiments herein relate generally to subterranean formation operations and, more particularly, to surfactant flowback aids for use in subterranean formation operations. The surfactant flowback aid composition may comprise an aqueous phase comprising an aqueous base fluid, a surfactant blend, and a demulsifier. The surfactant blend may comprise a C8-C18 alcohol ethoxy-late; a fatty acid alkanolamide; and optionally, a surfactant selected from the group consisting of a non-ionic surfactant, an anionic surfactant, a cationic surfactant, an amphoteric surfactant, and any combination thereof. The demulsifier may be selected from the group consisting of a desalter agent to separate water from crude oil, a treater agent to flocculate submicron particulates from crude oil, and any combination thereof.

Abstract: Methods and compositions for treatment fluids that include carbonate and bicarbonate to control pH for use in subterranean treatments are provided. In one embodiment, the methods comprise providing a treatment fluid comprising an aqueous base fluid; a crosslinkable polymer; a crosslinking agent; and an amount of carbonate and an amount of bicarbonate, wherein the molar ratio of the amount of carbonate to the amount of bicarbonate is in the range of from about 1:2.3 to about 1:2.7; and introducing the treatment fluid into a wellbore penetrating at least a portion of a subterranean formation.

Abstract: A thin-layer chromatography device can be used to determine or select a surfactant solution for use during hydrocarbon-fluid production operations. The thin-layer chromatography device can include a chamber that can receive a surfactant solution that includes a surfactant and a fluid. The thin-layer chromatography device can also include a substrate that can be coated with a layer of adsorbent material to form a thin-layer substrate and a hydrocarbon fluid can be disposed on the thin-layer substrate. The thin-layer substrate, along with the hydrocarbon fluid, can be positioned within the chamber to determine a mobility index of the hydrocarbon fluid when the hydrocarbon fluid contacts the surfactant solution. The mobility index can indicate an eluting capability of the surfactant solution with respect to the hydrocarbon fluid and can be used to select the surfactant solution to be injected into a wellbore that includes the hydrocarbon fluid to enhance hydrocarbon-fluid production operations.

Abstract: Methods and compositions for treatment fluids that include carbonate and bicarbonate to control pH for use in subterranean treatments are provided. In one embodiment, the methods comprise providing a treatment fluid comprising an aqueous base fluid; a crosslinkable polymer; a crosslinking agent; and an amount of carbonate and an amount of bicarbonate, wherein the molar ratio of the amount of carbonate to the amount of bicarbonate is in the range of from about 1:2.3 to about 1:2.7; and introducing the treatment fluid into a wellbore penetrating at least a portion of a subterranean formation.

Abstract: A fluid comprising: an aqueous phase; a cellulose derivative dispersed or dissolved in the aqueous phase; a guar derivative dispersed or dissolved in the aqueous phase; a titanium crosslinker dispersed or dissolved in the aqueous phase; and a zirconium crosslinker dispersed or dissolved in the aqueous phase. A method of treating a well or a well system can include: (A) forming a treatment fluid according to the disclosure; and (B) introducing the treatment fluid into a treatment zone of a well.

Abstract: Various embodiments disclosed relate to methods of treating subterranean formations including sequential use of at least two surfactants. In various embodiments, the present invention provides a method of treating a subterranean formation including sequentially placing in the subterranean formation a penetrating-aid surfactant and a pore-declogging surfactant.

Abstract: Methods including introducing a low-polymer loading treatment fluid (LPLTF) into a subterranean formation for performing a subterranean formation operation at a target interval. The LPLTF comprises an aqueous-based fluid, a guar-based gelling agent in an amount of less than about 2.4 grams/liter of the liquid portion of the LPLTF, and a dual crosslinking additive comprising a metal crosslinker and a multifunctional boronic acid crosslinker in a ratio in the range of about 1:100 to about 100:1.

Abstract: Wellbore servicing fluid are provided that comprise a viscosifying polymeric material, a breaking agent comprising an inorganic peroxide of a divalent metal M(II) characterized by the general formula MO2, and a break rate controlling additive comprising a M(II) soluble salt, a M(II) precipitating salt, a M(II) surface precipitating salt, a M(II) solution precipitating salt, or combinations thereof.

Abstract: A fracturing fluid comprising: a base fluid, wherein the base fluid comprises water; proppant; and an additive, wherein the additive: (i) is a cross-linkable polymer, wherein the polymer is a polysaccharide comprising a backbone and pendant functional groups, wherein the polysaccharide is derivatized by substituting one or more of the pendant functional groups with furan; (ii) is a viscosifying agent; and (iii) is a curable resin for consolidating the proppant. A method of fracturing a subterranean formation comprising: introducing the fracturing fluid into the subterranean formation; and creating or enhancing one or more fractures in the subterranean formation.

Abstract: Embodiments including methods comprising providing a treatment fluid comprising a first aqueous base fluid and a polymeric gelling agent, wherein the treatment fluid comprises a first surface tension; introducing a fluid mobility modifier into the treatment fluid, wherein the fluid mobility modifier comprises: a first surfactant selected from the group consisting of a non-ionic surfactant; a cationic surfactant; and any combination thereof, and a solvent-surfactant blend comprising a second aqueous base fluid, a second surfactant, a solvent, and a co-solvent, wherein the ratio of the first surfactant to the solvent-surfactant blend is in the range of between about 1:5 to about 5:1, wherein the fluid mobility modifier causes the treatment fluid to adopt a second surface tension that is less than the first surface tension; and introducing the treatment fluid into a subterranean formation.

Abstract: A method includes steps of: providing a treatment fluid including an aqueous base fluid, a gelling agent, and a multifunctional boronic crosslinker, and introducing the treatment fluid into a subterranean formation. The multifunctional boronic crosslinker includes a dendritic polymer including a water-soluble monomer and a boronic acid group, and the ratio of the water-soluble monomer to the boronic acid group is in the range from about 1:210 to about 1:800.

Abstract: A thin-layer chromatography device can be used to determine or select a surfactant solution for use during hydrocarbon-fluid production operations. The thin-layer chromatography device can include a chamber that can receive a surfactant solution that includes a surfactant and a fluid. The thin-layer chromatography device can also include a substrate that can be coated with a layer of adsorbent material to form a thin-layer substrate and a hydrocarbon fluid can be disposed on the thin-layer substrate. The thin-layer substrate, along with the hydrocarbon fluid, can be positioned within the chamber to determine a mobility index of the hydrocarbon fluid when the hydrocarbon fluid contacts the surfactant solution. The mobility index can indicate an eluting capability of the surfactant solution with respect to the hydrocarbon fluid and can be used to select the surfactant solution to be injected into a wellbore that includes the hydrocarbon fluid to enhance hydrocarbon-fluid production operations.

Abstract: A method is provided for improved degradation of metal-crosslinked polymer gels, which are useful in oil and gas treating operations. In this method a polysaccharide having a higher degree of substitution than the polymer in the polymer gel is added to the gel. The polysaccharide removes the crosslinking metal ion from the gel to thus break down the gel and reduce its viscosity.

Abstract: Compositions and methods for formulating a liquid gel concentrate package with all the additives for a well servicing fluid are provided. An embodiment of the present disclosure is a method comprising: providing a liquid gel concentrate package comprising: a liquid gel concentrate; and at least two active ingredients, wherein the active ingredients comprise constituents of a well servicing fluid; and allowing the liquid gel concentrate package to blend with an aqueous fluid to form a well servicing fluid; and introducing the well servicing fluid into a wellbore penetrating at least a portion of a subterranean formation. Another embodiment of the present disclosure is a composition comprising a liquid gel concentrate; and at least two active ingredient, wherein the active ingredients comprise constituents of a well servicing fluid.

Abstract: Boronated biopolymer crosslinking agents useful in producing viscosified treatment fluids that include an aqueous fluid, a base polymer, and the boronated biopolymer crosslinking agent, wherein the boronated biopolymer crosslinking agent comprises a biopolymer derivatized with a boronic acid, a boronate ester, or both. Such viscosified treatment fluids may be useful in fracturing operations, gravel packing operations, drilling operations, and the like.

Abstract: Viscosified treatment fluids that include polyol derivatized cellulose may be useful in subterranean operations. For example, a method may include introducing a viscosified treatment fluid into a wellbore penetrating a subterranean formation, wherein the viscosified treatment fluid comprises an aqueous base fluid, borate ions, and a polyol derivatized cellulose, and wherein the polyol derivatized cellulose comprise a cellulosic backbone derivatized with pendants comprising (1) a terminal polyol and (2) at least one of an internal 1,2,3-triazole, an internal ester, and an internal amide.