Abstract: Treatment fluid compositions that include a carrier fluid, a crosslinkable polymer, one or more degradable fibers grafted with a crosslinking moiety capable of crosslinking the crosslinkable polymer, and optionally a proppant or gravel. Methods and systems for treating a subterranean wellbore or formation using the grafted degradable fiber treatment fluids are further provided. The presently disclosed treatment fluids may be suitable for use as hydraulic fracturing treatment fluids, gravel packing treatment fluids, or fluid diversion treatment fluids.

Abstract: Methods and systems for treating a subterranean formation. The method comprises adding proppant particulates to a fluidized bed granulator; spraying a binding agent on the proppant particulates to at least partially coat the proppant particulates with the binding agent, wherein the coated proppant particulates form proto-aggregates; adding the proto-aggregates to a treatment fluid; and introducing the treatment fluid into a fracture within the subterranean formation.

Abstract: Various embodiments disclosed relate to compositions including acidic chelator or salt or ester thereof for treatment of subterranean formations including one or more fractures. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a composition including an acidic chelator or a salt or ester thereof. The subterranean formation includes one or more fractures.

Abstract: A method of fracturing a formation with a fracturing fluid in a wellbore extending into the formation includes pumping a spacer fluid through a spacer fluid channel into the wellbore and pumping a proppant slurry through a proppant slurry channel into the wellbore separately from the spacer fluid. The method further includes combining the spacer fluid and the proppant slurry within the wellbore to create the fracturing fluid with portions comprising varied proppant concentrations and pumping the fracturing fluid with the varied proppant concentrations into the formation.

Abstract: Proppant-free channels may be formed in a proppant pack in subterranean formations by using the miscibility and immiscibility of proppant-laden and proppant-free fluids. For example, a method of forming a proppant pack may include: introducing, in alternating order, a proppant-laden fluid and a proppant-free fluid into a wellbore penetrating a subterranean formation, wherein the proppant-laden fluid comprises an oil-external emulsion and a proppant, and wherein the proppant-free fluid is immiscible with the proppant-laden fluid; and forming a proppant pack in a fracture in the subterranean formation, wherein the proppant pack comprises proppant-laden clusters and proppant-free channels.

Abstract: Systems and methods for treating proppant to mitigate erosion of equipment used in certain subterranean fracturing operations are provided. In some embodiments, the methods comprise: conveying a plurality of coated proppant particulates into a blender, wherein the coated proppant particulates comprise at least a partial coating of DFR and/or a hydratable polymer; blending the plurality of coated proppant particulates with an aqueous base fluid in the blender to form a treatment fluid; and introducing the treatment fluid from the blender into at least a portion of a subterranean formation.

Abstract: A method of fracturing a subterranean formation is provided. A fracturing fluid is pumped into the formation to fracture the formation. A plurality of nanoparticles is mixed with the fracturing fluid and placed in the fracture. A plurality of conventional proppant particulates is also mixed with the fracturing fluid and placed in the fracture.

Abstract: The embodiments herein relate generally to subterranean formation operations and, more particularly, to enhancing complex fracture networks in subterranean formations by maximizing the exposed surface area to enable increased production rates. The embodiments of the present disclosure relate to increasing fracture network complexity and thus enhancing production within a subterranean formation using a plurality of fluid stages and a combination with liquid or solid electrically controlled propellants (ECPs), various electroconductive particulate sizes (EPs), and a source of electrical voltage.

Abstract: A well treatment method includes placing a first stream comprising a base fluid, a first micro-proppant, and a second micro-proppant into a zone in a subterranean formation comprising microfractures, wherein the first micro-proppant comprises at least one functional group selected from amino groups, mercapto groups, carboxylates, vinyls, and combinations thereof, wherein the second micro-proppant comprises at least one functional group selected from acrylates, epoxies, isocyanates, oxazolines, vinyls, and combinations thereof; and allowing the first and second micro-proppants to self-consolidate. A micro-proppant composition includes a first micro-proppant comprising at least one functional group selected from amino groups, mercapto groups, carboxylates, vinyls, and combinations thereof; and a second micro-proppant comprising at least one functional group selected from acrylates, epoxies, isocyanates, oxazolines, vinyls, and combinations thereof.

Abstract: Systems and methods for enhancing the conductivity of fractures in a subterranean formation using cements and electrically controlled propellant materials are provided. In some embodiments, the methods comprise: introducing a cement fluid comprising an aqueous base fluid, an inorganic cement, an electrically controlled propellant, and a plurality of electrically conductive particles into at least one fracture in a subterranean formation; allowing at least a portion of the cement fluid to at least partially harden in the fracture to form a solid cement mass; and applying an electrical current to at least a portion of the electrically controlled propellant in the fracture to ignite the electrically controlled propellant, whereby the solid cement mass in the fracture is at least partially ruptured by the ignition of the electrically controlled propellant.

Abstract: Systems and methods for forming and/or enhancing fractures in a subterranean formation using electrically controlled propellant materials are provided. In some embodiments, the methods comprise: introducing a treatment fluid comprising an electrically controlled propellant and a plurality of electrically conductive particles in at least one primary fracture in a portion of a subterranean formation; placing the plurality of electrically conductive particles in at least the primary fracture; placing the electrically controlled propellant in one or more areas of the subterranean formation proximate to the primary fracture; and applying an electrical current to at least a portion of the electrically controlled propellant to ignite the portion of the electrically controlled propellant in the one or more areas of the subterranean formation proximate to the primary fracture to form one or more secondary or tertiary fractures in the subterranean formation.

Abstract: Methods of increasing fracture complexity including introducing a solids-free high viscosity fracturing fluid into a subterranean formation at a pressure above the fracture gradient to create a dominate fracture, and thereafter introducing a low-viscosity pad fluid comprising micro-proppant and meso-proppant into the subterranean formation at a pressure above the fracture gradient to create a secondary branch fracture. The micro-proppant and meso-proppant are placed into the secondary branch fracture. A low-viscosity proppant slurry comprising macro-proppant and micro-proppant is introduced into the subterranean formation at a pressure above the fracture gradient, where the macro-proppant and micro-proppant are introduced into the dominate fracture. Fracture closure stress is applied and the meso-proppant transmits the closure stress to form tertiary branch fractures. The macro-proppant may also transmit the closure stress to form additional secondary branch fractures.

Abstract: Fracturing fluids and liquid concentrate proppant slurry compositions comprising high-density micro-proppants and low-density particulates in a single treatment fluid. The low-density particulates enhance the suspension of the high-density particulates resulting in improved vertical distribution and longitudinal transport and coverage in the complex fracture network. Methods of hydraulic fracturing using the disclosed fracturing fluids and liquid concentrate proppant slurries as well as methods of preparing liquid concentrate proppant slurries with improved storage properties, are provided.

Abstract: A sealed core storage and testing device for a downhole tool is disclosed. The device includes an outer body, an internal sleeve in the outer body, an end cap coupled to the outer body and operable to move from an open position to a closed position, and a plurality of ports located on at least one of the other body or the end cap.

Abstract: A well treatment fluid is provided. The well treatment fluid comprises a base fluid, and a plurality of degradable metal alloy milling waste particulates. A method of treating a well using the well treatment fluid is also provided.

Abstract: Methods including (a) introducing an invert microemulsified acid (“IMA”) treatment fluid into a subterranean formation at a rate and pressure sufficient to create or enhance a fracture in a first treatment interval therein, wherein the IMA treatment fluid comprises a surfactant, a non-aqueous external phase, and aqueous dispersed phase droplets, and wherein the non-aqueous external phase further comprises micro-proppant particulates and at least a portion of the aqueous dispersed phase droplets further comprise an acid; (b) destabilizing the IMA treatment fluid in the fracture, thereby exposing the acid, wherein the micro-proppant particulates form a proppant pack in the fracture and the acid etches a channel in the fracture and/or adjacent to the fracture.

Abstract: Methods including introducing a first high-viscosity treatment fluid (HVTF) into a subterranean formation through an opening and applying incrementally increased fracturing rate steps (IIFRSs) to the first HVTF to create or enhance a dominate fracture, wherein between each IIFRS applied to the first HVTF a downhole pressure slope over time will increase, decline, or stabilize at a first HVTF measured pressure slope. Evaluating the first HVTF measured pressure slope prior to applying a subsequent IIFRS to the first HVTF. Introducing a first low-viscosity treatment fluid (LVTF) through the opening to create or enhance a secondary azimuth fracture extending from the dominate fracture, and performing a first net pressure operation after the first LVTF is introduced.

Abstract: A variety of systems, methods and compositions are disclosed for delayed release of a resin curing agent. An example method may comprise introducing a treatment fluid comprising a resin and delayed release curing agent particulates into a subterranean formation, wherein the delayed release curing agent particulates comprises a carrier, a curing agent disposed on the carrier, and a coating; degrading the coating; and curing the resin in the subterranean formation.

Abstract: Methods including introducing a treatment fluid into a subterranean formation having at least one fracture therein, the treatment fluid comprising an aqueous base fluid and brush photopolymerized coated proppant particulates (bPCPPs), and placing the bPCPPs into the at least one fracture to form a proppant pack therein. The bPCPPs comprise proppant modified with a coupling agent photopolymerized to a derivatized hydrophilic polymer, thereby resulting in a brush polymer structure of the derivatized hydrophilic polymer extending from the proppant.

Abstract: Methods including introducing a solids-free high-viscosity fracturing fluid into a subterranean formation above the fracture gradient to create or enhance at least one dominate fracture. Introducing a first low-viscosity pad fluid (LVPadF) above the fracture gradient to create or enhance at least one first microfracture extending from the dominate fracture. The first LVPadF comprises an aqueous base fluid, high-density micro-proppants (HDMPs), and low-density micro-beads (LDMBs), the HDMPs having a specific gravity that is at least about 100% greater than the specific gravity of the LDMBs. Placing at least a portion of the HDMPs and LDMBs into the microfracture to form at least a partial monolayer. Introducing a low-viscosity proppant fluid (LVPropF) into the subterranean formation above the fracture gradient. The LVPropF comprises an aqueous base fluid and medium-sized proppants (MSPs). Placing at least a portion of the MSPs into the dominate fracture.