Abstract: Degradable particulates may allow for temporary redirection or occlusion of a fluid within a subterranean formation. However, many types of degradable particulates can be problematic for large-scale use, such as during subterranean treatment operations. Methods for treating a subterranean formation using degradable particulates may comprise: providing pre-coated particulates comprising a latently dissolvable core and a transient coating surrounding the latently dissolvable core, the latently dissolvable core and the transient coating comprising different materials; and introducing a treatment fluid comprising a carrier fluid and a plurality of the pre-coated particulates into a wellbore penetrating a subterranean formation in conjunction with a stimulation operation, a material comprising the latently dissolvable core being soluble in the carrier fluid or a formation fluid present within the subterranean formation.

Abstract: Accordingly, this disclosure describes systems, compositions, and methods that may use pelletized diverting agent particulates for diversion, fluid loss control, and/or other subterranean treatments for controlling fluid flow in subterranean formations. In an embodiment, a method comprising: introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises: a base fluid; a pelletized diverting agent comprising a degradable polymer, wherein the pelletized diverting agent at least partially plugs a zone in the subterranean formation; and diverting at least a portion of the treatment fluid and/or a subsequently introduced fluid away from the zone. In an embodiment, a treatment fluid comprising: a base fluid; and a pelletized diverting agent comprising a degradable polymer.

Abstract: Method of arranging proppant in a fracture of a subterranean formation are disclosed. The methods can include (a) introducing a first fluid blend through a wellbore and into the fracture to form a first proppant bank in the fracture, and (b) introducing a second fluid blend through the wellbore and into the fracture to form a second proppant bank in the fracture, wherein a viscosity of the first fluid blend is less than a viscosity of the second fluid blend. The flow of the fluids can be alternated or switched between a lower viscosity fluid blend(s) and a higher viscosity fluid blend(s), without stopping a flow of fluid to the fracture.

Abstract: Methods and compositions that may be used to prevent the water from coming to the surface or otherwise interfering with the production of hydrocarbons are provided. An embodiment of the present disclosure is a method comprising: providing a treatment fluid comprising an aqueous base fluid, a polymer, a metal-based crosslinker, and an amino alkylene phosphonate; 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: The present disclosure relates to oil and gas well proppant compositions and methods for enhancing the conductivity of a propped fracture formed during a hydraulic fracturing operation. The method introduces a micro-proppant slurry prepared with slickwater containing both a low-density and a conventional micro-proppant during injection of the pad fluid stages to prop the natural and induced microfractures open and then injecting a proppant slurry prepared with slickwater containing low-density proppant and conventional frac sand during proppant slurry stage to prop the dominant fractures or large branches, provide open flow paths to keep them connective with the wellbore.

Abstract: The present disclosure relates to oil and gas well proppant compositions and methods for enhancing the conductivity of a propped fracture formed during a hydraulic fracturing operation. The method introduces a micro-proppant slurry prepared with slickwater containing both a low-density and a conventional micro-proppant during injection of the pad fluid stages to prop the natural and induced microfractures open and then injecting a proppant slurry prepared with slickwater containing low-density proppant and conventional frac sand during proppant slurry stage to prop the dominant fractures or large branches, provide open flow paths to keep them connective with the wellbore.

Abstract: Downhole pumps may include, at the inlet, a component that reduces the amount of water taken up by the pump. For example, a downhole assembly may include a tool string that includes a fluid pump, a fluid intake subassembly, a motor, and a downhole control system each coupled such that a fluid flowing into the fluid intake assembly is conveyed to the fluid pump; one or more inlets defined in the fluid intake subassembly; a flow line fluidly coupled to at least one of the one or more inlets and containing a filter component that contains a filter media at least partially coated with a relative permeability modifier (RPM), wherein the fluid flowing through the flow line contacts the RPM.

Abstract: A method for treating a subterranean formation that includes preparing a treatment fluid comprising a base fluid, a relative permeability modifier (RPM) and a particulate and performing a treatment operation by injecting the treatment fluid into a portion of the subterranean formation.

Abstract: Methods for treating a subterranean formation include providing a first treatment fluid comprising a plurality of degradable diverting agents, introducing the first treatment fluid into the subterranean formation via a wellbore, and allowing a portion of the plurality of degradable diverting agents to divert a flow of at least a portion of the first treatment fluid or a portion of a second treatment fluid from a first location within the wellbore to a second location within the wellbore. The plurality of degradable diverting agents includes a blend of polylactic acid (PLA) and an acid-soluble hard particulate. Compositions for treating a subterranean formation include the plurality of degradable diverting agents.

Abstract: Methods for treating a subterranean formation include providing a first treatment fluid comprising a plurality of degradable diverting agents, introducing the first treatment fluid into the subterranean formation via a wellbore, and allowing a portion of the plurality of degradable diverting agents to divert a flow of at least a portion of the first treatment fluid or a portion of a second treatment fluid from a first location within the wellbore to a second location within the wellbore. The plurality of degradable diverting agents includes a blend of polylactic acid (PLA) and an acid-soluble hard particulate. Compositions for treating a subterranean formation include the plurality of degradable diverting agents.

Abstract: Systems, compositions, and methods for reducing the production of water in subterranean formations having fractures or voids therein are provided. In one embodiment, the methods comprise: introducing a particulate material into a portion of a subterranean formation comprising one or more fractures or voids; and introducing a treatment fluid comprising a relative permeability modifier into the portion of the subterranean formation such that the permeability of the particulate material in the portion of the subterranean formation to water is reduced.

Abstract: A method of servicing a wellbore in a subterranean formation including combining diverter material and aqueous base fluid to form a diverter fluid, wherein the diverter material is self-suspending and comprises psyllium husk particulates; introducing the diverter fluid into the wellbore; and allowing the diverter material to form a diverter plug in the wellbore or the formation. A method of servicing a wellbore in a subterranean formation including combining diverter material including psyllium husk particulates and a first wellbore servicing fluid; introducing the first wellbore servicing fluid into the wellbore; allowing the diverter material to form a diverter plug in a first location in the wellbore or the formation; diverting the flow of a second wellbore servicing fluid to a second location in the wellbore of formation; and removing the diverter plug, wherein the first and second wellbore servicing fluids may be the same or different.

Abstract: Flow control systems are described for variably resisting flow of a fluid composition dependent on the surface energy of the fluid composition. Surface energy is a measure of the wettability of a surface with a particular the fluid. Surface energy dependent flow resistors of the present disclosure include a support structure extending across and/or filling a control passageway such that the surface area exposed to a fluid may be maximized. The flow control systems described may autonomously distinguish between fluid compositions having high and low proportions of a desired fluid component even when the fluid compositions have substantially equal viscosities. Flow control valves are described which may be employed in downhole production and injection equipment.

Abstract: Methods for forming a fluid seal in a subterranean formation may comprise: providing a treatment fluid comprising an aqueous carrier fluid, a sealant composition, and a crosslinked polysaccharide composition. The treatment fluid is introduced into a wellbore penetrating a subterranean formation and the crosslinked polysaccharide composition is formed into a viscosified gel in the wellbore. The viscosified gel substantially spans the diameter of the wellbore and holds the sealant composition in place. After forming the crosslinked polysaccharide composition into a viscosified gel in the wellbore, forming a fluid seal in the wellbore with the sealant composition.

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: Degradable particulates may allow for temporary redirection or occlusion of a fluid within a subterranean formation. However, many types of degradable particulates can be problematic for large-scale use, such as during subterranean treatment operations. Methods for treating a subterranean formation using degradable particulates may comprise: providing pre-coated particulates comprising a latently dissolvable core and a transient coating surrounding the latently dissolvable core, the latently dissolvable core and the transient coating comprising different materials; and introducing a treatment fluid comprising a carrier fluid and a plurality of the pre-coated particulates into a wellbore penetrating a subterranean formation in conjunction with a stimulation operation, a material comprising the latently dissolvable core being soluble in the carrier fluid or a formation fluid present within the subterranean formation.

Abstract: Methods and compositions that may be used to prevent the water from coming to the surface or otherwise interfering with the production of hydrocarbons are provided. An embodiment of the present disclosure is a method comprising: providing a treatment fluid comprising an aqueous base fluid, a polymer, a metal-based crosslinker, and an amino alkylene phosphonate; and introducing the treatment fluid into a wellbore that penetrates at least a portion of a subterranean formation.

Abstract: Systems, compositions, and methods for reducing the production of water in subterranean formations having fractures or voids therein are provided. In one embodiment, the methods comprise: introducing a particulate material into a portion of a subterranean formation comprising one or more fractures or voids; and introducing a treatment fluid comprising a relative permeability modifier into the portion of the subterranean formation such that the permeability of the particulate material in the portion of the subterranean formation to water is reduced.