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: A method may comprise: introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises a base fluid; a carbonate compound, wherein the carbonate compound at least partially plugs a zone in the subterranean formation; and an acid; and diverting at least a portion of the treatment fluid and/or a subsequently introduced fluid away from the zone.

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: Disclosed herein are degradable diverter materials comprising a polyacrylate compound. In particular, the degradable diverter material may be a particulate with each individual particle being having a polyacrylate compound and optionally at least one inert filler. The degradable diverter material may be introduced into a wellbore penetrating a subterranean formation. The degradable diverter material may then be allowed to divert at least a portion of fluid present downhole, the fluid being introduced from the surface or already present downhole. The degradable diverter material can then be allowed to at least partially degrade via dissolution.

Abstract: A variety of methods, compositions, and systems are disclosed, including, a method comprising: introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises: a base fluid; and multi-grade diverting particulates, wherein the multi-grade diverting particulates comprise a degradable polymer, wherein the degradable polymer comprises a first portion of the degradable polymer and a second portion of the degradable polymer of different grades, wherein the multi-grade diverting particulate 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.

Abstract: Methods and compositions for treating a well. A method comprising: introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises: a base fluid; and multi-functional diverter particulates, wherein the multi-functional diverter particulates comprise a polyvinyl alcohol and a well service additive; and diverting at least a portion of the treatment fluid and/or a subsequently introduced fluid away from the zone. A treatment fluid comprising: a base fluid; and a multi-functional diverter particulate, wherein the multi-functional diverter particulates comprise a polyvinyl alcohol and a well service additive.

Abstract: Methods and compositions for introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises: a base fluid; and composite diverting particulates, wherein the composite diverting particulates each comprise a degradable polymer and an oil-soluble material, wherein the composite diverting particulate 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.

Abstract: Methods of temporarily blocking zones of a subterranean formation for diversion, isolation, and fluid-loss control are provided. The method of diverting a fluid includes introducing a treatment fluid comprising a formate brine, xanthan gum, and a cross-linking agent into the formation; allowing the treatment fluid to set into a gel in perforations in a first zone of the formation to block the perforations in the first zone; introducing a stimulation fluid into the formation; and diverting the stimulation fluid away from the perforations in the first zone to perforations in a second zone of the formation.

Abstract: A method of stimulating a subterranean carbonate formation includes delivering a composition comprising a hydrophobically modified polymer, a phosphorylated alkyl amino polycarboxylic acid, and a base treatment acid into the subterranean formation; and contacting the subterranean carbonate formation with the composition to form conductive flowpaths in the subterranean carbonate formation. The method may further include producing hydrocarbons from the subterranean carbonate formation. A composition for stimulating a subterranean formation includes a hydrophobically modified polymer; a phosphorylated alkyl amino polycarboxylic acid; and a base treatment acid.

Abstract: Provided are methods and system for propping a fracture. An example method includes introducing a first fracturing fluid into the fracture; wherein the first fracturing fluid comprises a first amount of high crush strength proppant and a first aqueous base fluid; wherein the high crush strength proppant has a crush strength equal to or exceeding 4000 psi. The method further includes introducing a second fracturing fluid into the fracture; wherein the second fracturing fluid comprises a first amount of low crush strength proppant and a second aqueous base fluid; wherein the low crush strength proppant has a crush strength less than 4000 psi. The method also includes introducing a third fracturing fluid into the fracture; wherein the third fracturing fluid comprises a second amount of high crush strength proppant and a third aqueous base fluid.

Abstract: Methods for treating subterranean formations by diverting treatment fluids therein are provided. In one embodiment, the methods comprise: introducing a first diverter material comprising polyvinyl alcohol and a plasticizer into or adjacent to a permeable zone of a subterranean formation; introducing a second diverter material into or adjacent to the permeable zone of the subterranean formation, wherein at least a portion of the first diverter material comprises particles larger than particles of the second diverter material; and allowing the first diverter material and the second diverter material to at least partially divert at least a portion of a treatment fluid to a different portion of the subterranean formation.

Abstract: Methods of temporarily blocking zones of a subterranean formation for diversion, isolation, and fluid-loss control are provided. The method of diverting a fluid includes introducing a treatment fluid comprising a formate brine, xanthan gum, and a cross-linking agent into the formation; allowing the treatment fluid to set into a gel in perforations in a first zone of the formation to block the perforations in the first zone; introducing a stimulation fluid into the formation; and diverting the stimulation fluid away from the perforations in the first zone to perforations in a second zone of the formation.

Abstract: A workflow for fracturing a subterranean formation includes providing fracturing databases or models for the hydrocarbon wellbore, selecting one or more fracturing fluid systems for fracturing the subterranean formation based on the fracturing databases or models and recommending at least one of the one or more selected fracturing fluid systems for fracturing the subterranean formation. Additionally, a workflow controller for fracturing a subterranean formation includes a workflow processing unit having fracturing models or databases to determine functional aspects of one or more fracturing fluid systems to provide a fracturing fluid system recommendation for the subterranean formation, and a fracturing fluid delivery unit that applies the fracturing fluid system recommendation to the subterranean formation. A hydrocarbon wellbore fracturing system for a subterranean formation is also provided.

Abstract: A method of treating a subterranean formation penetrated by a wellbore, comprising introducing a chemical packer composition into the wellbore, wherein the chemical packer composition comprises water, a suspending agent, a gelling agent, and a sealant composition and wherein the chemical packer composition has a pH greater than 9, and allowing the chemical packer composition to form a plug, wherein a portion of the wellbore below the plug is isolated from fluid communication with a portion of the wellbore above the plug.

Abstract: Methods and compositions for treating subterranean formations with fluids containing superabsorbent polymer particles are provided. In one embodiment, the methods comprise introducing a treatment fluid into a well bore penetrating at least a portion of a subterranean formation, the treatment fluid including an aqueous base fluid, and one or more superabsorbent polymer particles comprising a plurality of monomers and one or more crosslinkers wherein at least one crosslinker is a labile crosslinker.

Abstract: A method of treating a subterranean formation penetrated by a wellbore, comprising introducing a chemical packer composition into the wellbore, wherein the chemical packer composition comprises water, a suspending agent, a gelling agent, and a sealant composition and wherein the chemical packer composition has a pH greater than 9, and allowing the chemical packer composition to form a plug, wherein a portion of the wellbore below the plug is isolated from fluid communication with a portion of the wellbore above the plug.

Abstract: A method may comprise: introducing a treatment fluid into a wellbore penetrating a subterranean formation wherein the treatment fluid comprises a base fluid; a carbonate compound, wherein the carbonate compound at least partially plugs a zone in the subterranean formation; and an acid; and diverting at least a portion of the treatment fluid and/or a subsequently introduced fluid away from the zone.

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.