Abstract: The present invention discloses a hydraulic fracturing system for driving a plunger pump with a turbine engine, including a fracturing equipment, a high-low pressure manifold, a blending equipment and a sand-mixing equipment; a turbine engine is used as the power source of the fracturing equipment, the turbine engine is fueled by natural gas or diesel and drives the plunger pump to solve the current problems of diesel drive and electric motor drive. The fuel supply of a turbine engine with a dual-fuel system is diverse and not limited, especially when natural gas is used as the fuel, it will save more cost. The supply of natural gas in the whole hydraulic fracturing system is diversified, better meeting the demands of more customers.

Abstract: The present invention discloses a novel sand mixing device, including an electric motor and a hydraulic system, wherein the electric motor is used as the power source of the hydraulic system, and the hydraulic system drives all the actuating elements in the sand mixing device. Beneficial effects: in the present invention, the traditional diesel engine drive mode is changed into a motor drive mode and a hydraulic system is maintained, and the power is all in the form of an electro-hydraulic system, realizing the advantages of environmental protection and energy saving with the electric motors as the power source, also taking into account the advantages of small size and flexible layout of the drive parts of the hydraulic system. Therefore, the issues of not environmental-friendly, large size, inconvenient transportation, well site layout, and maintenance in the application of traditional sand mixing device can be addressed.

Abstract: A method for acquiring an opening timing of natural fracture under an in-slit temporary plugging condition and a device thereof are provided. The method includes steps of: acquiring physical parameters of stratum according to site geological data, and measuring a slit length L of a hydraulic fracture; dividing the hydraulic fracture into N unit bodies of equal length and numbering them sequentially; and dividing a total calculation time t into meter fractions of time with equal interval; calculating a width of each unit body in the hydraulic fracture at the initial time; calculating a fluid pressure in the hydraulic fracture at the k-th fraction of time; calculating a closed pressure at an entrance of the natural fracture on an upper side and a lower side of the hydraulic fracture at the k-th fraction of time; and determining whether the natural fracture is opened by a determining criteria based on the above calculation results.

Abstract: A system and method for operating a fleet of pumps for a turbine driven fracturing pump system used in hydraulic fracturing is disclosed. In an embodiment, a method of operating a fleet of pumps associated with a hydraulic fracturing system includes receiving a demand Hydraulic Horse Power (HHP) signal. The demand HHP signal may include the Horse Power (HP) required for the hydraulic fracturing system to operate and may include consideration for frictional and other losses. The method further includes operating all available pump units at a percentage of rating below Maximum Continuous Power (MCP) level, based at least in part on the demand HHP signal. Furthermore, the method may include receiving a signal for loss of power from one or more pump units. The method further includes operating one or more units at MCP level and operating one or more units at Maximum Intermittent Power (MIP) level to meet the demand HHP signal.

Abstract: The present invention is a modular system for delivering material directly to a blender hopper. The system includes primary base and optional secondary base modules supporting surge hoppers which receive material from material containers. The surge hopper may then dispense the material directly and rapidly to the blender hopper by gravity feed. During continuous operation, exhausted material containers may be removed from the surge hoppers and replaced with full material containers as material empties from the surge hoppers. This allows steady, high-volume flow of material to the blender hopper.

Abstract: A method includes obtaining distributed measurements of acoustic energy as a function of time and position downhole. The method also includes deriving acoustic activity values as a function of time and position from the one or more distributed measurements. The method also includes predicting fluid flow for a downhole perforation cluster as a function of time, wherein predicting fluid flow involves a flow prediction model that is a function of perforation cluster geometry, fluid characteristics, and at least one of the acoustic activity values. The method also includes storing or displaying the predicted fluid flow.

Abstract: An apparatus according to which a subterranean formation in which a wellbore extends is hydraulically fractured, the apparatus comprising first and second manifolds, the first manifold including first and second flow lines adapted to be in fluid communication with first and second pumps, respectively, the first pump being adapted to pressurize fluid received from the first flow line, and the second pump being adapted to pressurize fluid received from the second flow line, and the second manifold including a third flow line adapted to convey pressurized fluid from the first and second pumps to the wellbore to hydraulically fracture the subterranean formation in which the wellbore extends. The apparatus is adapted to be connected to another apparatus used to hydraulically fracture the subterranean formation in which the wellbore extends by moving one, or both, of the first and second flow lines relative to the third flow line.

Abstract: A hydraulic fracturing system that includes a fixed-speed gas turbine assembly having a gas generator and power turbine, both mounted to a semi-trailer. The system further includes a hydraulic pump mounted to the semi-trailer and connected to an output shaft of the power turbine and a hydraulically-driven fracturing fluid pump mounted to the semi-trailer and being in fluid communication with the hydraulic pump, the hydraulic pump supplying fluid pressure to the hydraulically-driven fracturing fluid pump. The system is configured such that the hydraulically-driven fracturing fluid pump receives fracturing fluid containing chemicals and proppants and pressurizes the fracturing fluid to a pressure sufficient for injection into a wellbore to support a hydraulic fracturing operation.

Abstract: A method and system for recovering oil from a subterranean reservoir. The method includes delivering an injection gas through an injection flow path into a plurality of regions of the reservoir via a plurality of outflow devices arranged along the injection flow path, producing oil from a plurality of regions of the subterranean reservoir via a production flow path with a plurality of inflow devices arranged along the production flow path, and restricting flow of the injection gas into the production flow path from the reservoir. The restricting of the flow in injection gas may be by choking the flow of the injection gas through at least one of the plurality of inflow devices such that the residence time of the injection gas within the subterranean reservoir is increased.

Abstract: Methods and systems for detecting impact of induced micro-fractures in a subsurface formation are disclosed. The method includes determining an unloading effective stress (?ul) in a formation sample taken from a wellbore drilled into the subsurface formation, determining a fracture closure stress (?cl) of the formation sample, determining that the unloading effective stress (?ul) is greater than or equal to the fracture closure stress (?ul), and in response to determining that unloading effective stress (?ul) is greater than or equal to the fracture closure stress (?ul), operating the well system to inhibit impact of micro-fractures in the wellbore.

Abstract: Techniques for forming a directional drillhole for hazardous waste storage include identifying a subterranean formation suitable to store hazardous waste; determining one or more faults that extend through the subterranean formation; forming a vertical drillhole from a terranean surface toward the subterranean formation; and forming a directional drillhole from the vertical drillhole that extends in or under the subterranean formation and parallel to at least one of the one or more faults. The directional drillhole includes a hazardous waste repository configured to store the hazardous waste.

Abstract: Disclosed are time controlled, hydrolytically degradable compositions that include a polyurethane; precipitated silica, carbon black, or a combination thereof; an organic acid adapted to facilitate degradation when the composition is contacted with water; a stabilizer; a first crosslinking agent; and an optional co-agent. The composition is adapted to degrade over a predetermined time period upon contact with water at a pH ranging from 5 to 8 and at a temperature ranging from 100° F. to 250° F.

Abstract: Embodiments herein relate to a method for hydraulic fracturing a subterranean formation traversed by a wellbore including characterizing the formation using measured properties of the formation, including mechanical properties of geological interfaces, identifying a formation fracture height wherein the identifying comprises calculating a contact of a hydraulic fracture surface with geological interfaces, and fracturing the formation wherein a fluid viscosity or a fluid flow rate or both are selected using the calculating. Embodiments herein also relate to a method for hydraulic fracturing a subterranean formation traversed by a wellbore including measuring the formation comprising mechanical properties of geological interfaces, characterizing the formation using the measurements, calculating a formation fracture height using the formation characterization, calculating an optimum fracture height using the measurements, and comparing the optimum fracture height to the formation fracture height.

Abstract: An oil and gas configuration is disclosed that creates and uses a single straight-line fluid path between a zipper module and a fracturing (or Christmas) tree. The single straight-line fluid path is created through connecting a series of valves (e.g., manual or automatic gate or plug valves) that coaxially share inner fluid passageways for transporting hydraulic fracturing fluid between the zipper module and the fracturing tree. The hydraulic fracturing fluid flows along the single straight-line fluid path upon from the zipper module to the fracturing tree. The fracturing tree is equipped with a multi-way block that directs—through one or more internal angled walls—the hydraulic fracturing fluid downward and toward a wellhead.

Abstract: A ported collar has a tubular body that forms part of or is installed in a tubular that is run into a wellbore, and defines a port for permitting radial fluid communication into or out of the ported collar. A sleeve is movable relative to the port to vary an open area of the port. The activation device includes a fixed key and a traveling key movable relative to the fixed key. The activation device is inserted into the tubular body of the ported collar. A fixed key profile is releasably mated with a tubular body key profile to fix the position of the activation device in the ported collar. A traveling key profile is releasably mated with a sliding sleeve key profile, and the traveling key is moved relative to the fixed key to move the sliding sleeve, and thereby vary the open area of the port.

Abstract: Techniques in horizontal well completions that facilitate multistage fracturing may be performed in shale gas reservoirs. The techniques may involve the creation of large scale fracture networks, connecting the reservoir and the wellbore, facilitated by activating pre-existing natural fractures (NFs). In addition, geo-mechanical characteristics facilitate the optimization of maximum stimulated reservoir volumes (SRVs). In particular, completion optimization patterns are provided for horizontal wellbores, designated herein as altered alternate fracturing (AAF) completions. Completion optimization patterns may involve a multi-step combination of simultaneous and alternate fracturing patterns. Additionally, the dynamic evolution and progression of NF growth are modeled using a variety of alternative criteria. Further, specific analyses are provided of how the well completion pattern influences the fracture network.

Abstract: A method of forming multiple inclusions into a subterranean formation can include initiating the inclusions into the formation, the inclusions extending outwardly in respective multiple azimuthal orientations from a casing section, and flowing fluid into each of the inclusions individually, thereby extending the inclusions into the formation one at a time. A system for initiating inclusions outwardly into a subterranean formation from a wellbore can include a casing section having multiple flow channels therein, each of the flow channels being in communication with a respective one of multiple openings formed between adjacent pairs of circumferentially extendable longitudinally extending portions of the casing section. Another system can include a casing section, and an injection tool which engages the casing section and selectively directs fluid into each of the inclusions individually, whereby the inclusions are extended into the formation one at a time.

Abstract: A method for avoiding a frac hit with an offset parent wellbore during a formation stimulation operation. The method includes providing a child wellbore within a hydrocarbon-producing field. The method also includes forming lateral boreholes off of a horizontal leg of the child wellbore at a first casing exit location. The method also includes conducting a formation stimulation operation at the first casing exit location through the lateral boreholes, as a first stage. The method additionally includes monitoring field data in a hydrocarbon-producing field associated with the child wellbore during the formation stimulation operation. The method then includes forming lateral boreholes off of the horizontal leg at a second casing exit location longitudinally offset from the first casing exit location along the horizontal leg. An orientation of the lateral boreholes at the second casing exit location relative to the horizontal leg is determined based on the field data.

Abstract: A method for performing a fracture operation. A log of a formation parameter is obtained for a formation surrounding a wellbore in which the fracture operation is to be implemented. A relation is determined between the formation parameter and a parameter of the fracture operation. A value of the parameter of the fracture operation is selected based on the relation and a value of the formation parameter.

Abstract: A system provides thermal and stress analysis of complex well operations above the end of the downhole string to meet the analysis needs of downhole operations such as hydraulic fracturing in unconventional oil and gas field development.

Abstract: The invention provides an actuator assembly for a downhole tool and a method of use. The actuator assembly comprises an actuator device, which includes a housing and a piston element movable with respect to the housing. First and second fluid paths are configured to couple first and second sides of the piston element to at least one source of fluid pressure in a drive module, and an actuator member is configured to be coupled to a downhole device. The actuator member is movable between a first position and a second position to operate the downhole device in response to a force acting on the piston element. The actuator assembly comprises a pressure release mechanism which is operable to equalise pressure between the first and second fluid paths of the actuator device.

Abstract: Simulation of downhole transient pressure effects due to propellant stimulation of a formation provides information that may be utilized to select a type of perforating tool system and other components that contribute to effective stimulation of a formation. A well simulator pressure vessel comprises a perforating tool system that comprises a type of perforating gun assembly that includes one or more shaped charges. A propellant disk assembly adjacent to a sample formation is coupled to the perforating tool system. The propellant disk assembly comprises one or more components for securing the propellant. A transient pressure effect may be measured once the one or more shaped charges are detonated and the propellant is ignited or deflagrated. The measured transient pressure effects may be utilized to alter or change the one or more components of the perforating tool system prior to, during, or after stimulation of the sample formation.

Abstract: A method includes admixing an aqueous polysaccharide solution into an oleaginous base fluid, and adding a divalent ion source to produce one or more polysaccharide microspheres.

Abstract: A sliding valve has a valve body, a sliding sleeve received in a longitudinal bore of the valve body, and a collet receivable in a longitudinal bore of the sliding sleeve. The valve body has one or more fluid ports on an uphole portion of the sidewall thereof. The sliding sleeve is movable between an uphole closed position closing the one or more fluid ports and a downhole open position opening the one or more fluid ports. The collet comprises a metal portion about an uphole end of the collet, and a ball seat having a ball-seat surface radially inwardly sloped from uphole to downhole at an acute slope angle with respect to a longitudinal axis of the collet. The metal portion is radially outwardly expandable under a radially outward pressure to form a metal-to-metal seal at the interface between the collet and the sliding sleeve when the collet is received in the sliding sleeve.

Abstract: Fracturing operations that include fluid diversion cycles may include real-time, continuous-flow pressure diagnostics to analyze and design the fluid diversion cycles of fracturing operations. The real-time, continuous-flow pressure diagnostics are injection rate step cycles that may include open low injection rate step cycles, propped low injection rate step cycles, diverted low injection rate cycles, and high injection rate cycles.

Abstract: A frac zipper manifold bridge connector comprises two bridge spools for connecting a well configuration unit of a frac zipper manifold to a frac tree of a wellhead. The connector comprises multiple connections involving threaded flanges, such that the orientation of the bridge spools may be adjusted to ensure that they are correctly aligned with the frac tree.

Abstract: Embodiments of the present disclosure are directed to a method of producing a viscoelastic surfactant (VES) fluid, the VES fluid comprising desulfated seawater. The method of producing the VES fluid comprises adding an alkaline earth metal halide to seawater to produce a sulfate precipitate. The method further comprises removing the sulfate precipitate to produce the desulfated water. The method further comprises adding a VES and one or more of a nanoparticle viscosity modifier or a polymeric modifier to the desulfated seawater. Other embodiments are directed to VES fluids that maintain a viscosity greater than 10 cP at temperatures above 250° F.

Abstract: A reclosable multi-zone isolation tool including a mandrel assembly with a pull-force lock feature. The tool includes an outer and inner tubular having an annular flow path defined there between, and a central flow path defined by the inner tubular. The annular flow path is in fluid communication with the first zone, while the central flow path is in fluid communication with the second zone. A sleeve is positioned in the annular flow path and moveable between an open and closed position. A mandrel assembly is slidingly positioned within the inner tubular and coupled to the sleeve to actuate the sleeve between the open and closed position only when a push force is applied. If a pull force is applied, the mandrel assembly “locks out,” thereby preventing movement of the sleeve.

Abstract: Providing electric power distribution for fracturing operations comprising receiving, at a transport, electric power from a mobile source of electricity at a first voltage level and supplying, from the transport, the electric power to a fracturing pump transport at the first voltage level using only a first, single cable connection. The first voltage level falls within a range of 1,000 V to 35 kilovolts. The transport also supplies electric power to a second transport at the first voltage level using only a second, single cable connection.

Abstract: The present disclosure relates to methods of controlling a microbial level in an aqueous fluid or a solid component used in an oilfield operation or a pre- or post-production process associated with wellbore production, the method comprising: measuring a microbial parameter of the aqueous fluid; and subsequently using the measured microbial parameter to decide on an appropriate antimicrobial treatment. These proposals also relate to methods further including monitoring of a microbial parameter in such a fluid or on such a solid component over a period of time. The methods and aspects of the present disclosure may be applied in any oilfield operation or a pre- or post-production process associated with wellbore production.

Abstract: At least one nucleic acid from a sulfate-reducing bacteria (SRB) may be extracted from an oilfield fluid and may be amplified by a PCR amplification method in the presence of at least one primer to form an amplification product. The primer(s) may be or include a sequence including, but not necessarily limited to, SEQ ID NO: 20, SEQ ID NO: 21, and mixtures thereof. The amplification product may be hybridized with a probe specific for a fragment of an alpha subunit of an APS gene, and a presence of hybridization and a degree of hybridization may be detected.

Abstract: A pump system for high pressure, high volume applications is presented. The pump system includes a turbo-shaft engine having a drive shaft and a high pressure, high RPM centrifugal pump coupled to the drive shaft. In certain embodiments the pump system further includes a second low pressure, high RPM centrifugal pump coupled to the drive shaft.

Abstract: A method of hydraulic fracturing of an oil producing formation includes the provision of a heating apparatus which is transportable and that has a vessel for containing water. A water stream of cool or cold water is transmitted from a source to a mixer, the cool or cold water stream being at ambient temperature. The mixer has an inlet that receives cool or cold water from the source and an outlet that enables a discharge of a mix of cool or cold water and the hot water. After mixing in the mixer, the water assumes a temperature that is suitable for mixing with chemicals that are used in the fracturing process, such as a temperature of about 40°-120° F.+(4.4-48.9 C+). An outlet discharges a mix of the cool and hot water to surge tanks or to mixing tanks. In the mixing tanks, a proppant and an optional selected chemical or chemicals are added to the water which has been warmed.

Abstract: The present application relates to methods and systems for mitigating condensate banking. In some embodiments, the methods and systems involve altering the wettability of a rock formation in the vicinity of a wellbore for a gas condensate reservoir.

Abstract: A method of evaluating a geometric parameter of a first fracture emanating from a first wellbore penetrating a subterranean formation is provided. The method includes the steps of forming the first fracture in fluid communication with the first wellbore; forming a second fracture in fluid communication with a second wellbore; measuring a first pressure change in the second wellbore in proximity to the first wellbore; and determining the geometric parameter of the first fracture using at least the measured first pressure change in an analysis which couples a solid mechanics equation and a pressure diffusion equation.

Abstract: A dampener device is configured for incorporation into a downhole measurement tool in a drilling system, for absorbing axial, lateral and torsional shocks and vibrations to protect measurement instrumentation located above the device during drilling. The device includes: a main sleeve having a main cavity containing a main spring; an adapter connected to or formed monolithically relative to the main sleeve, the adapter configured for connection to a first tool component; a plunger configured to compress the main spring; a connector configured for connection to a second tool component, the connector attached to or formed monolithically relative to the plunger; a shaft extending between the adapter and the connector, the shaft provided with an anti-rotation structure; and one or more passages leading from the outside of the device into the main cavity. The passages are provided to allow drilling fluid to enter the main cavity to act as vibration dampening fluid.

Abstract: A fracturing system can include a fracturing manifold coupled to a plurality of fracturing trees. The fracturing manifold may include adjustment joints that enable adjustment of the length of the fracturing manifold. The fracturing manifold can also include pivot joints that allow angular displacement of portions of the fracturing manifold with respect to other portions. The adjustment and pivot joints can accommodate spacing and elevation differences between the fracturing trees.

Abstract: Methods and systems for optimizing the placement of perforation clusters in horizontal wells for completion include conveying a carrier through a borehole into a horizontal section of the borehole; obtaining acoustic data using one or more acoustic sensors; defining a first location for each of a plurality of perforation clusters based on a geometrical distribution; identifying a minimum horizontal stress (Shmin) for each first location based on the acoustic data; calculating a differential net pressure for the first locations based on the minimum horizontal stress (Shmin) for each first location; adjusting the location of each of the plurality of perforation clusters to a respective second location such that the differential net pressure of the second locations is less than the differential net pressure of the first locations; and deploying a plurality of perforation clusters to the second locations such that fracturing of a formation at the second locations is achieved.

Abstract: Apparatus and methods for reducing the force required to pull a device from a tubular, the apparatus including a tubular sealing device for mating with a downhole tubular component, the tubular sealing device having an axial length and a longitudinal bore therethrough; and an elongated rod slidably positionable within the longitudinal bore of the tubular sealing device, the elongated rod having a first end, a second end, and an outer surface, the outer surface structured and arranged to provide i) a hydraulic seal when the elongated rod is in a first position within the longitudinal bore of the tubular sealing device, and ii) at least one external flow port for pressure equalization upstream and downstream of the tubular sealing device when the elongated rod is placed in a second position within the longitudinal bore of the tubular sealing device.

Abstract: Selective stimulation ports including sealing device retainers and methods of utilizing the same are disclosed herein. The selective stimulation ports (SSPs) are configured to be operatively attached to a wellbore tubular that defines a tubular conduit. The SSPs include an SSP conduit, which extends at least substantially perpendicular to a wall of the wellbore tubular, and a sealing device receptacle, which defines at least a portion of the SSP conduit and is sized to receive a sealing device. The SSPs also include a sealing device seat, which is shaped to form a fluid seal with the sealing device. The SSPs further include a sealing device retainer, which is configured to retain the sealing device within the sealing device receptacle. The methods include methods of stimulating the hydrocarbon well utilizing the SSPs and/or methods of conveying a downhole tool within the hydrocarbon well utilizing the SSPs.

Abstract: A coiled adaptive seat is held to a smaller diameter for delivery with a tool that can feature a locating lug for desired alignment of the seat with an intended groove in the inner wall of a tubular. The release tool retracts a cover from the seat allowing its diameter to increase as it enters a groove. Alternatively the adaptive seat is released near the groove and pushed axially in the string to the groove for fixation. Once in the groove the inside diameter of the string is a support for a blocking object so that sequential treatment of parts of a zone can be accomplished. The blocking object is removed with pressure, dissolving, milling or disintegration leaving a narrow ledge in the tubular bore from the seat that can simply be left in place or milled as well. An E4#10 from Baker Hughes is modified for adaptive seat delivery.

Abstract: A control system for a CO2 fracking system includes a phase detector, a control valve, and a controller. The phase detector is disposed proximate to at least one of an inlet conduit and an outlet conduit of a fracking component. The control valve is fluidly coupled to the inlet conduit. The controller is communicatively coupled to the phase detector, the control valve, and the fracking component. The phase detector is configured to determine CO2 phase in at least one of a CO2 stream incoming into the fracking component and CO2 phase discharged from the fracking component, and to generate an input signal based on the phase. The controller is configured to control one or both of a flow of the incoming CO2 stream into the fracking component via the control valve and an operation condition of the fracking component, based on the input signal received from the phase detector.

Abstract: Compositions and methods are provided for treatment of a wellbore in a subterranean formation. Exemplary compositions comprise a mixture of particles, some of the particles being degradable and other particles being elongated, having good compressive strength, and not being readily degradable at the conditions of the formation. The mixture of particles can temporarily bridge or plug fractures within the formation, and thus acts as a temporary diversion agent. After the degradable particles dissolve, the particles which are not readily degradable can remain in the fracture, helping to keep the fracture open and acting as a proppant.

Abstract: A method of designing a well control operation includes obtaining sub-surface data related to a formation surrounding a well, building a geomechanical model of the formation based on the sub-surface data, obtaining operational data related to the well control operation, performing, on a processor, a hydraulic fracture simulation of the formation, wherein the simulation is based on the operational data and the geomechanical model, and determining an estimated volume of fluid required for a fracture to breach an upper surface of the formation.

Abstract: A rock fragmentation device and method is provided which includes a shaft and a plurality of expandable members positioned along a length thereof. The shaft has a hollow length therethrough for the passage of a pressurized fluid, and a plurality of feed apertures for delivery of the pressurized fluid to the expandable members. The shaft further includes a feed inlet for receiving the pressurized fluid from a hydraulic system. The plurality of expandable members each have an inner diameter dimensioned to receive the shaft in a tightly engaging connection, and are positioned on the shaft in fluid tight engagement effective for receiving pressurized fluid via the feed apertures without leaking fluid. The expandable members are expandable, upon filling with the pressurized fluid, to sufficient dimensions to break apart rock when fitted inside a cavity formed therein.

Abstract: A method for mining using a laser to cause spalling includes the steps of generating and delivering a laser beam to a work surface of a geological strata having a sought after mineral to be removed from the stratum; moving the laser beam about three perpendicular axes so that a focal point of the laser beam moves across the working surface and rapidly increases the surface temperature of the working surface; providing a source of a cooling media, and delivering the cooling media to the working surface so as to rapidly cool the working surface subsequent to the rapid surface temperature increase generated by the laser beam so as to effect a fracturing of the working surface and to generate a plurality of chips from the working surface; and removing the chips spalled from the working surface.

Abstract: Methods of fracturing a subterranean formation are described wherein sintered ceramic proppants are used in at least two different stages. Each stage can utilize the same or a different type of proppant relative to one or more of the other stages, and the same or a different type of fracturing fluid relative to one or more of the other stages. At least one of the stages uses a proppant having a monodispersity of 3-sigma distribution or lower. A first stage can be used that exhibits at least one proppant performance property having a first value. A second stage can be used that exhibits the same proppant performance property as the first stage but at a value that differs from the first value by at least 10%.

Abstract: Systems and methods for analyzing and designing a customized pulse fracturing operation for fracturing a wellbore in a reservoir formation are disclosed. Pulsed fracturing can create multiple fractures that radiate away from the wellbore while minimizing near wellbore damage. This network can further be extended into the reservoir by utilizing an optimized pumping rate over a predetermined amount of time. The optimized pulse rate and duration can be determined by using a geomechanical and a reservoir simulator which can help in quantifying the production efficiency of the induced fracture network.

Abstract: The use of a distributed fiber optic strain sensor system in horizontal hydraulic fracturing wells to determine several measurements of hydraulic fracture system geometry including number of far-field fractures, hydraulic and propped fracture length, fracture azimuth, and multi-planar fracture complexity.

Abstract: The disclosure pertains to methods for completing a well may comprise lowering a coiled-tubing in the well thus forming an annulus between the casing and the coiled-tubing, pumping down said annulus a treatment fluid above the fracturing pressure of the formation while also pumping fluid through the coiled tubing. The methods may also comprise monitoring in real-time the bottom hole pressure and increasing the pump rate through the coiled-tubing if an increase of bottom hole pressure is observed.