Abstract: Various embodiments disclosed relate to surfactant compositions for treatment of subterranean formations and produced oil. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a surfactant composition. The surfactant composition includes an alkanolamide surfactant and an alkoxylated alcohol surfactant. The surfactant composition also includes an ionic surfactant, a nonionic surfactant, or a combination thereof.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes an alkanolamide surfactant that is a (C1-C50)hydrocarbyl amide having groups R1 and R2 substituted on the amide nitrogen, wherein R1 and R2 are each independently selected from the group consisting of —H, —(C1-C50)hydrocarbyl, and —(C1-C50)hydrocarbylene-OH, wherein at least one of R1 and R2 is —(C1-C50)hydrocarbylene-OH. The demulsifier composition includes an alkoxylated alcohol surfactant that is a (C1-C50)hydrocarbyl-OH having a —((C2-C3)alkylene-O)n—H group on the —OH group, wherein n is about 1 to about 100. The demulsifier composition also includes an amine-oxide surfactant.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes an alkanolamide surfactant that is a (C1-C50)hydrocarbyl amide having groups R1 and R2 substituted on the amide nitrogen, wherein R1 and R2 are each independently selected from the group consisting of —H, —(C1-C50)hydrocarbyl, and —(C1-C50)hydrocarbylene-OH, wherein at least one of R1 and R2 is —(C1-C50)hydrocarbylene-OH. The demulsifier composition includes an alkoxylated alcohol surfactant that is a (C1-C50)hydrocarbyl-OH having a —((C2-C3)alkylene-O)n—H group on the —OH group, wherein n is about 1 to about 100. The demulsifier composition also includes an amine-oxide surfactant.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes an alkanolamide surfactant that is a (C1-C50)hydrocarbyl amide having groups R1 and R2 substituted on the amide nitrogen, wherein R1 and R2 are each independently selected from the group consisting of —H, —(C1-C50)hydrocarbyl, and —(C1-C50)hydrocarbylene-OH, wherein at least one of R1 and R2 is —(C1-C50)hydrocarbylene-OH. The demulsifier composition includes an alkoxylated alcohol surfactant that is a (C1-C50)hydrocarbyl-OH having a —((C2-C3)alkylene-O)n-H group on the —OH group, wherein n is about 1 to about 100. The demulsifier composition also includes an amine-oxide surfactant.

Abstract: Surfactant compositions for treatment of subterranean formations and produced oil are disclosed. Methods of treating a subterranean formation include placing in the subterranean formation a surfactant composition. The surfactant composition includes an alkanolamide surfactant and an alkoxylated alcohol surfactant.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes at least one resin of formula (I) and at least one compound of formula (II).

Abstract: Evaluating surfactants for use in downhole applications, especially surfactants with similar surface tension or interfacial tension values and wetting properties, may be achieved with a sensitive column test using a non-uniform particulate media therein. An exemplary method may include providing a column containing two types of particles that differ by at least one of: a mean particle diameter, a sphericity, and a chemical composition. Surfactant samples may be individually tested by passing the sample through the column followed by a displacement fluid, typically an oleaginous. The displacement rate and volume of the surfactant sample may be used to assess the surfactant's suitability for downhole applications.

Abstract: Polymeric clay stabilizers including at least one ionic repeating unit for treatment of subterranean formations. A method of treating a subterranean formation that can include obtaining or providing a composition comprising including a polymeric clay stabilizer including at least one ionic repeating unit, wherein the clay stabilizer has a melting point or glass transition temperature that is equal to or less than 100° C. The method can also include placing the composition in a subterranean formation.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes at least one resin of formula (I) and at least one compound of formula (II).

Abstract: The invention provides Formula I compounds, and its compositions, wherein HG, X, L, Y, m, and n are defined in the specification, as fluid efficiency and flow back enhancers for use in a method of treating subterranean formations.

Abstract: Various embodiments disclosed relate to surfactant compositions for treatment of subterranean formations and produced oil. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a surfactant composition. The surfactant composition includes an alkanolamide surfactant and an alkoxylated alcohol surfactant. The surfactant composition also includes an ionic surfactant, a nonionic surfactant, or a combination thereof at least one compound according to Formula H.

Abstract: Metal-organic frame-works (MOFs) and its compositions for use as proppants in a method of treating subterranean formations. A method comprising contacting the formation with a fluid composition comprising a metal-organic framework comprised of at least one metal ion and an organic ligand that is at least bidentate and that is bonded to the metal ion.

Abstract: System and method for monitoring frac fluid flow through a column bed includes preparing a vessel (112, 440) with a column including a filtering member (120, 420), a column bed (114, 414) simulating a downhole environment, and a frac fluid (116, 416). Frac fluid (116, 416) is flowed through the column bed (114, 414) at an acceleration exceeding gravity for a predetermined period of time. The amount of liquid that flows through the column bed (114, 414) and that is recovered after the predetermined period of time is then determined.

Abstract: Various embodiments disclosed relate to demulsifier compositions for treatment of subterranean formations or produced petroleum comprising an emulsion. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a demulsifier composition. The demulsifier composition includes an alkanolamide surfactant that is a (C1-C50)hydrocarbyl amide having groups R1 and R2 substituted on the amide nitrogen, wherein R1 and R2 are each independently selected from the group consisting of —H, —(C1-C50)hydrocarbyl, and —(C1-C50)hydrocarbylene-OH, wherein at least one of R1 and R2 is —(C1-C50)hydrocarbylene-OH. The demulsifier composition includes an alkoxylated alcohol surfactant that is a (C1-C50)hydrocarbyl-OH having a —((C2-C3)alkylene-O)n—H group on the —OH group, wherein n is about 1 to about 100. The demulsifier composition also includes an amine-oxide surfactant.

Abstract: Various embodiments disclosed relate to surfactant compositions for treatment of subterranean formations and produced oil. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a surfactant composition. The surfactant composition includes an alkanolamide surfactant and an alkoxylated alcohol surfactant. The surfactant composition also includes an ionic surfactant, a nonionic surfactant, or a combination thereof.

Abstract: Methods including preparing a treatment fluid comprising an aqueous base fluid, a gelling agent, and crosslinkable proppant particulates comprising proppant particulates having covalently grafted thereon a boronic acid functional group; crosslinking the crosslinkable proppant particulates with the gelling agent, thereby suspending the crosslinkable proppant particulates in the treatment fluid; introducing the treatment fluid into a subterranean formation having at least one fracture therein; and placing the crosslinkable proppant particulates into the at least one fracture to form a proppant pack therein.

Abstract: Systems and methods for the use of traceable metal-organic frameworks in subterranean formations are provided. In one embodiment, the methods comprise: introducing a fluid into a wellbore penetrating at least a portion of a subterranean formation, the fluid comprising a base fluid and a solid particle comprising a metal-organic framework comprising at least one detectable component, wherein the metal-organic framework further comprises at least one metal ion and an organic ligand that is at least bidentate and that is bonded to the metal ion; and detecting one or more signals from the at least one detectable component.

Abstract: Methods for selecting a surfactant for treating a subterranean formation based on the performance of the surfactant and the characteristics of the subterranean formation and the treatment fluids that may be used to treat that formation are provided. In one embodiment, the method may comprise providing a treatment fluid, formation materials, hydrocarbon, and a plurality of surfactants, wherein the hydrocarbon is acquired from a subterranean formation; selecting at least two surfactants from the plurality of surfactants by determining whether each of the plurality of surfactants separates a mixture of the treatment fluid and the hydrocarbon; and selecting at least one surfactant from the at least two surfactants by determining whether the hydrocarbon displaces the treatment fluid from the formation materials in the presence of each of the at least two surfactants.

Abstract: A method for controlling water passage from an interval undergoing hydraulic fracturing to another interval in the same or a different well bore. The method introduces a relative permeability modifier at a pressure sufficient to create or enhance at least one fracture and fracture face in the subterranean formation surrounding the interval during fracturing. The method can reduce the water passage between two or more intervals of a well bore and between two or more well bores. The method can reduce the amount of water produced from a well, which reduces the processing necessary to remove water from the hydrocarbons produced from the well.

Abstract: Systems and methods for the use of traceable metal-organic frameworks in subterranean formations are provided. In one embodiment, the methods comprise: introducing a fluid into a wellbore penetrating at least a portion of a subterranean formation, the fluid comprising a base fluid and a solid particle comprising a metal-organic framework comprising at least one detectable component, wherein the metal-organic framework further comprises at least one metal ion and an organic ligand that is at least bidentate and that is bonded to the metal ion; and detecting one or more signals from the at least one detectable component.