Abstract: A completion system includes an outer completion string having at least one sand screen arranged thereabout, one or more control lines extending externally along the outer completion string, a service tool arranged within the outer completion string and having an inner tubing that defines a valve conduit, and a valve arranged within the service tool. The control lines have one or more gauges operatively coupled thereto and arranged adjacent the at least one sand screen. The one or more gauges are configured for real-time monitoring and reporting of well environment parameters. The valve is movable between a first position and a second position. In the first position, fracturing fluid is allowed to circulate through the at least one sand screen and the valve and into the valve conduit. In the second position, the valve prevents the fracturing fluid from entering the valve conduit.

Abstract: A gravel pack operation disposes slurry from an inner string into the annulus around a shoe track. A valve on the shoe track can open and close flow through a port, and seats around the port allow an outlet of the tool to seal with the port. When the valve is open and the outlet sealed with the port, the slurry in the string is pumped into the borehole around the shoe track by flowing the slurry from the outlet into the borehole through the flow port. As this occurs, gravel collects around the shoe track, and fluid returns in the borehole flow back into the shoe track through a screen disposed toward the track's toe. Once inside the shoe track, the fluid returns communicate through a bypass on the shoe track around the sealed outlet and port. At this point, the fluid returns can pass uphole in the gravel pack assembly.

Abstract: A downhole assembly, such as a toe-to-heel gravel pack assembly, has a body with a body passage, outlet ports for slurry, and screens for fluid returns. An inner string deploys in the body to perform the toe-to-heel gravel packing. A telescoping adjustment device allows the inner string to space out properly when deployed to the toe of the assembly. Sealing surfaces of a locating device in the body separate a sealable space and seal against seals on the inner string movably disposed therein. Fluid pumped in the string produces a pressure buildup when the string's port communicates with the sealable space. The pressure buildup indicates that the tool is positioned at a first location in the assembly, and other positions for placement of the tool can then be calculated therefrom.

Abstract: A method may include determining a first particle size distribution for particulate additives in a first wellbore fluid circulated through a wellbore through an earthen formation, and determining a second particle size distribution for drilled cuttings resulting from drilling of the wellbore. The first and second particle size distributions may then be compared to determine a third particle size distribution for the combined particulate additives and the drilled cuttings. A lost circulation material having a fourth particle size distribution may then be selected based on the third particle size distribution and the selected lost circulation material may be pumped into the wellbore.

Abstract: A gravel packing apparatus is provided, including first and second joints, each including a sand control screen assembly including a base pipe and a filter medium positioned exteriorly of the base pipe; and a slurry delivery subassembly positioned exteriorly of the sand control screen assembly, the slurry delivery subassembly including a ring assembly positioned around the base pipe; and a transport tube extending through the ring assembly and longitudinally along the sand control screen assembly; a jumper tube coupled to, and extending between, the transport tube of the first joint and the transport tube of the second joint; and a cage assembly extending circumferentially about respective portions of the first and second joints and positioned exteriorly of the jumper tube, the cage assembly comprising a plurality of cage sections that are each independently connected to the respective ring assemblies of the first and second joints. A method is also provided.

Abstract: A polyamide-poly(phenylene ether) composition includes, based on the total weight of the composition, 35 to 80 weight percent of polyamide, and 20 to 65 weight percent of a poly(phenylene ether). The polyamide-poly(phenylene ether) composition is utilized in a variety of methods, including methods applicable to the oil and gas industry.

Abstract: Disclosed are sand control screens and completion assemblies that receive, retain, and protect control lines during installation and operation thereof. One disclosed completion assembly includes a base pipe, at least one screen jacket positioned around the base pipe and operable to prevent an influx of particulate matter of a predetermined size therethrough, a control line housing arranged uphole from the at least one screen jacket and having a fiber optic splicing block disposed therein, the at least one fiber optic splicing block being communicably coupled to a control line that extends uphole from the control line housing, and one or more hydraulic conduits arranged longitudinally between the at least one screen jacket and the base pipe and extending from the control line housing.

Abstract: A method for treating a subterranean formation, including estimating the solubility parameter of a monomer; selecting a solvent based on the parameter; forming a fluid comprising the monomer and solvent; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer. A method for treating a subterranean formation, including forming a fluid comprising the monomer and solvent, wherein the monomer comprises poly(2-hydroxyethyl methacrylate) and/or poly(2-hydroxyethyl acrylate, and wherein the solvent comprises zinc bromide or calcium bromide or both; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer.

Abstract: A segmental flow-control method for a flow-control filter string in an oil-gas well and an oil-gas well structure are disclosed. The oil-gas well includes a well wall(1), a casing(2) located in the well wall(1), a cement sheath(3) provided between the casing(2) and the well wall(1), channeling path(5) existing outside the casing(2), and a plurality of perforated tunnels (6) passing through the casing(2), the cement sheath(3) and/or the channeling path(5) and into a formation from the inside of the casing to the formation.

Abstract: A chopper mechanism for providing a fiber to a fluid at an oilfield. The chopper mechanism may be employed to process the fiber from an uncut form to a cut form in order to provide a mixture of the fluid and the fiber with flowback inhibiting character. Techniques of employing the chopper mechanism may be utilized at the site of an oilfield for applications such as fracturing, cementing, and drilling. Additionally, the chopper mechanism itself may be made available as a large high capacity chopper assembly, or a smaller handheld chopper gun for slower rate fiber supply operations.

Abstract: An apparatus for performing a wellbore operation, such as a gravel packing, includes a tool body, a flow passage formed in the tool body, the flow passage connecting a first space with a second space; and a flow control device positioned along the flow space. The flow control device may include a valve element configured to allow uni-directional; and a flow control element configured to allow flow in bi-directional flow. The valve element and the flow control element may be arranged to form a split flow path between the first space and the second space.

Abstract: An assembly of screens made of connected joints with exterior bypasses that span the threaded connections among the joints features common fluid connections for the bypasses adjacent joint threaded ends that are connected with a coupling. A mandrel spans from one joint to the next inside the threaded coupling and is sealed to the respective bases pipes on opposed ends of the coupling. At each end of the mandrel the surrounding base pipe has openings from the common fluid connection where the bypasses terminate to define an annular flow path between pairs of common fluid connections. The bypasses can have slanted gravel outlet passages or no gravel openings at all. The bypasses can span over screen or blank pipe with an option to mount a shroud over the generally parallel bypasses.

Abstract: A wellbore fluid that includes an aqueous based fluid; an amphoteric, viscoelastic surfactant; and a modified starch is disclosed. Methods of drilling subterranean wells, methods of reducing the loss of fluid out of subterranean wells, and methods of completing wellbores using aqueous-based fluids having an ampoteric, viscoelastic surfactant and a modified starch are also disclosed.

Abstract: Fluid flow between screen-pipe annuli of pipe sections in a down-hole well structure is provided by a fluid communication sleeve assembly that may be installed where adjacent pipe sections are connected. A flow ring is provided at each pipe section end, each flow ring providing fluid communication from and to an annulus between a screen and a corresponding base pipe. The fluid communication sleeve assembly includes a screen shield spaced from the adjoining pipes and the pipe joint, the screen shield connected to a flow ring at each screen shield end, and a lock nut at each screen shield end, the lock nut retaining a screen shield end to a corresponding flow ring. A method for providing fluid flow between screen-pipe annuli of pipe is also provided.

Abstract: In a method of gravel packing a wellbore in a subterranean formation, the wellbore comprising a cased section and an uncased section, the method may include pumping into the wellbore a gravel pack composition comprising gravel and a carrier fluid comprising an invert emulsion fluid, where the invert emulsion fluid may comprise: an oleaginous external phase; a non-oleaginous internal phase, wherein a ratio of the oleaginous external phase and non-oleaginous internal phase is less than 50:50 and an emulsifier stabilizing the oleaginous external phase and the non-oleaginous internal phase.

Abstract: A completion assembly is run downhole into a well. The assembly includes a valve and a material that is adapted to initially configure the valve to prevent fluid flow through the valve in at least one direction. The technique includes performing a downhole completion operation in the well and disintegrating the material to allow the prevented fluid flow through a nozzle of the valve. The nozzle is used to regulate production or injection in the well.

Abstract: Method of consolidating sand in a subterranean formation by contacting the sand in a first location in the presence of water with a slurry in a liquid medium of cement of average particle size less than 10 microns to produce a mixture including sand, water and cement, the slurry being injected into the formation to the location. A separation step is carried out in which a liquid hydrocarbon fluid is passed into the location to displace from the location at least some of the cement from the mixture. The volume ratio of liquid hydrocarbon fluid to the volume of the slurry injected to the formation is at least 5:1. The mixture is allowed to set to give permeable consolidated sand.

Abstract: Boronated biopolymer crosslinking agents useful in producing viscosified treatment fluids that include an aqueous fluid, a base polymer, and the boronated biopolymer crosslinking agent, wherein the boronated biopolymer crosslinking agent comprises a biopolymer derivatized with a boronic acid, a boronate ester, or both. Such viscosified treatment fluids may be useful in fracturing operations, gravel packing operations, drilling operations, and the like.

Abstract: A gravel pack assembly includes screen sections with a packer between them. A first screen section communicates an uphole annulus with the assembly's interior passage, and a second screen section communicates a downhole annulus with the interior passage. A housing of the packer has an internal bore communicating with the assembly's interior passage and has an internal bypass communicating external ports with one another. A first packer element disposed between the external ports restricts gravel passage at least from the uphole to the downhole annulus. A second packer element disposed downhole from a second of the external ports is independently actuated to isolate fluid passage between the uphole and downhole annulus. One or more transport tubes communicate slurry from the uphole annulus to the internal bypass once the uphole annulus is packed with gravel.

Abstract: A gravel packing assembly has first and second joints each including a sand control screen assembly having a filter medium positioned exteriorly of a base pipe and a slurry delivery subassembly positioned exteriorly of the sand control screen assembly. The slurry delivery subassembly includes at least one transport tube extending longitudinally along at least a portion of the sand control screen assembly. At least one jumper tube is coupled to and extends between the at least one transport tube of the first joint and the at least one transport tube of the second joint. A jumper tube protection assembly extends between the first and second joints and is positioned exteriorly about the at least one jumper tube.

Abstract: A well screen system comprises a wellbore tubular and a coiled shunt tube disposed along the wellbore tubular. The coiled shunt tube is configured to be unwound from a reel. A method of gravel packing comprises passing a slurry through a coiled shunt tube, passing the slurry from the coiled shunt tube to an annulus between an outside of a sand screen assembly and a wellbore wall, disposing the slurry about the sand screen assembly, and forming a gravel pack in response to disposing the slurry about the sand screen assembly. The coiled shunt tube is disposed along the sand screen assembly.

Abstract: A technique facilitates a well operation employing at least one dehydration tube. The at least one dehydration tube is located along an exterior of a plurality of screen assemblies deployed in a wellbore and is fluidly coupled to a base pipe of at least one of the screen assemblies. The fluid coupling provides fluid access to the base pipe through a base pipe opening. Fluid flow along the at least one dehydration tube is controlled with a flow control mechanism. Additionally, an inflow of fluid from an exterior to an interior of select screen assemblies is separately controlled with an inflow control device associated with each select screen assembly.

Abstract: In a method of gravel packing a wellbore in a subterranean formation, the wellbore having a cased section and an uncased section, the method may include pumping into the wellbore a gravel pack composition having gravel and a carrier fluid, where the carrier fluid includes an oleaginous fluid and an inorganic solid aggregator material.

Abstract: A well treatment fluid comprising a Pickering particle emulsion comprising particles of a first liquid phase dispersed in a continuous second liquid phase, and comprising a plurality of colloidal particles adsorbed to a liquid-liquid interface between the first liquid phase and the second liquid phase. Methods, equipment and/or systems for treating a subterranean formation utilizing such treatment fluids are also disclosed.

Abstract: A method includes providing a slurry comprising a carrier fluid and a solids mixture, and injecting said slurry in a wellbore wherein the solids mixture comprises at least two volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-average median size at least three times larger than the volume-average median size of a second PSD mode such that a packed volume fraction (PVF) of the solids mixture exceeds 0.75.

Abstract: Methods of forming channels within propped fractures that are essentially free of proppants and more spacious than the interstitial spaces within traditional proppant packs. Specifically, various proppant-laden fluids may be placed within a fracture in a subterranean formation, the proppants in the proppant-laden fluids having at least two distinct ranges of density. Once placed inside the fracture, the proppants can settle, separate, and consolidate into at least two distinct permeable masses according to their densities. Consequently, the high-density and low-density proppants can separate and form separate proppant masses when the fracture closes on the proppants. Through this process, a highly conductive channel can form inside the fracture through which production fluids can flow.

Abstract: In one aspect, a flow control device is disclosed that in one embodiment may include a sand screen that includes adjacent wraps of a longitudinal member, wherein the longitudinal member has a width, a first axial side and a second axial side, the longitudinal member further including spaced apart standoffs along the first axial side and spaced apart channels that provide fluid paths from the second axial side to the first axial side.

Abstract: High solids content slurry, systems and methods. The slurry comprises a carrier fluid and a solids mixture of first, second, third and fourth particle size distribution (PSD) modes wherein the first PSD mode is at least three times larger than the second PSD mode, which is larger than the third PSD mode, which is larger than the fourth PSD mode, and wherein at least one of the second and third PSD modes is less than 3 times larger than the respective third or fourth PSD mode. The method comprises forming the slurry, positioning a screen in a wellbore and circulating the slurry through the wellbore such that the solids mixture is deposited between the screen and the wellbore. The system comprises a pump to circulate the slurry, a workstring to position the screen and means for converting the slurry to a gravel pack.

Abstract: Ampholyte polymeric compound that comprises at least one nonionic monomer, at least one sulfonic acid-containing monomer, and at least one cationic monomer may be useful in viscosifying treatment fluids for use in subterranean operations at a concentration of about 0.5 v/v % to about 30 v/v % of the treatment fluid. Such operations may involve introducing the treatment fluid into a wellbore penetrating a subterranean formation optionally at a pressure sufficient to create or extend at least one fracture in the subterranean formation.

Abstract: A shunt tube assembly comprises a shunt tube and a jumper tube comprising a first end. The shunt tube comprises a non-round cross section, and the first end of the jumper tube is coupled to the shunt tube at a coupling. The first end of the jumper tube comprises a substantially round cross section at the coupling.

Abstract: Provided herein is a separating device for removing sand and rock particles in the extraction of liquids or gases from wells drilled in rock having a plurality of brittle-hard annular discs stacked one on top of another and axially braced by a supporting structure. The annular discs have at least three spacers uniformly distributed over the circumference on their upper side. The discs are stacked on each other such that the spacers lie one over another and a separating gap with a height of 0.05-1 mm, preferably 0.2-0.5 mm, is present between each of the discs. Similarly, another embodiment of the separating device has a plurality of brittle-hard bush-shaped elements with slits formed therein.

Abstract: A method of wellbore strengthening may include providing a wellbore strengthening fluid comprising a drilling fluid, a particulate, and a fiber; introducing the wellbore strengthening fluid into a wellbore penetrating a subterranean formation; and forming a plug comprising the particulate and the fiber in a void near the wellbore, the plug being capable of maintaining integrity at about 1000 psi or greater overbalance pressure.

Abstract: A method of gravel packing comprises passing a slurry through a first shunt tube, passing the slurry through a coupling, and disposing the slurry about a well screen assembly below the coupling. The first shunt tube comprises a first cross-sectional shape along its length, and the coupling comprises a coupling between the first shunt tube and a jumper tube. The jumper tube comprises a substantially round cross-section at the coupling.

Abstract: A composition, treatment fluid and method using hydrolyzable fines. A treatment fluid, which may optionally include a high solids content fluid (HSCF) and/or an Apollonianistic solids mixture, includes a fluid loss control agent comprising a dispersion of hydrolyzable fines, optionally with one or more of a surfactant, plasticizer, dispersant, degradable particles, reactive particles and/or submicron particles selected from silicates, ?-alumina, MgO, ?-Fe2O3, TiO2, and combinations thereof.

Abstract: Methods of preventing or reducing migration of particulates in injection wells. Some embodiments of the present invention describe methods of introducing a tackifying treatment fluid through an injection well and into a portion of a subterranean formation surrounding the injection well, wherein the tackifying treatment fluid comprises a base fluid and a tackifying agent. Other embodiments include a step of introducing a resin treatment fluid to the injection well before the tackifying treatment fluid.

Abstract: A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a wellbore, comprising contacting a fluid comprising scale-forming ions with a quantity of template-assisted crystallization beads in a vessel to form a treated fluid, wherein the template-assisted crystallization beds are mobile within the vessel and placing the treated fluid into a wellbore, a subterranean formation, or a combination thereof.

Abstract: A method of gravel packing a hole in a subterranean formation having a filter cake coated on the surface thereof that includes injecting into the hole a gravel pack composition comprising gravel and a carrier fluid comprising a base fluid and at least one iminodiacetic acid or salt thereof is disclosed.

Abstract: A screen assembly for removing particulates from a fluid in a well bore said well bore being provided with a tubing for transport of fluids inside the tube, said tube being provided with sliding sleeve doors through which the fluids flow from the well bore external the tube and into the tube. The screen assembly comprises a filter arranged external the tubing and covering the sliding sleeve doors, such that the filter prevents particles above a predefined size from entering through the sliding sleeve doors: The screen assembly further comprises a supportive tube having apertures allowing well bore fluids to pass. Furthermore said filter is arranged on the inner side of said supportive tube, such that the filter is placed between the supportive tube and the tube with the sliding sleeve doors. The filter is made from ceramic material.

Abstract: Disclosed are systems and methods of producing from multiple production zones with a single trip multi-zone completion system. One method includes arranging an outer completion string within a wellbore adjacent the one or more formation zones, the outer completion string having at least one sand screen arranged thereabout and a flow control device movably disposed within the sand screen, locating an insert string within the outer completion string, the insert string having at least one control and data acquisition module disposed thereon that has one or more mechanical coupling mechanisms, locating the flow control device with the one or more mechanical coupling mechanisms, and moving the flow control device between a closed position and an open position with the one or more mechanical coupling mechanisms.

Abstract: An apparatus that is usable with a well includes a string and a screen assembly, which is adapted to be run downhole on the string. The screen assembly includes a tubular carrier and a container. The container includes a gravel pack layer that includes gravel. The tubular carrier and the gravel pack layer are adapted to be radially expanded downhole; and the tubular carrier, container and the gravel pack layer are adapted to be run downhole as a unit.

Abstract: Systems and methods for providing zonal isolation in a hydrocarbon well include or utilize a tubular assembly having an upstream manifold, a gravel packing conduit, a transport conduit, a leak-off conduit, and a downstream flow path. The tubular assembly is adapted to receive a gravel-laden slurry and to direct at least a portion of the same to the gravel packing conduit. The gravel-laden slurry exiting the gravel packing conduit packs the annulus between the tubular assembly and the wellbore by dehydrating at least in part through the leak-off conduit. The leak-off conduit is further gravel-packed by the gravel-laden slurry received by the tubular assembly. The leak-off conduit is dehydrated through a flow control valve. Together, the gravel packed annulus and the gravel packed leak-off conduit provide a gravel-based zonal isolation system.

Abstract: A sand control device is used for restricting the flow of particles from a subsurface formation into a tubular body within a wellbore during production operations. The sand control device is divided into compartments along its length that provide redundancy for particle filtration. Each compartment first comprises a base pipe. The base pipe defines an elongated tubular body having a permeable section and an impermeable section within each compartment. Each compartment also comprises a first filtering conduit and a second filtering conduit. The filtering conduits comprise filtering media and generally circumscribe the base pipe. The filtering conduits are arranged so that the first filtering conduit is adjacent to the non-permeable section of the base pipe, while the second filtering conduit is adjacent to the permeable section of the base pipe.

Abstract: A composition including a wellbore work fluid and a polymer having mechanically labile chemical bonds is injected downhole, and combines with fluid present downhole to yield a composite fluid. Mechanical energy (e.g., ultrasonic energy) is provided to the composite fluid downhole to cleave the mechanically labile chemical bonds in the polymer. The polymer may be used as a viscosifier, friction reducer, or fluid loss additive. Cleaving the mechanically labile chemical bonds with mechanical energy allows precise degradation downhole.

Abstract: A method includes treating a first formation intersecting a wellbore, preparing a diversion fluid including an inactivated viscosifier and an inactivated thinning agent, and positioning an amount of the diversion fluid to isolate the first formation. An activator is then delivered to the diversion fluid, thereby activating the inactivated viscosifier and triggering a thinning agent activation process.

Abstract: Assemblies, systems, and methods to facilitate gravel packing of a wellbore having a flow restricting device are described. The assemblies, systems, and methods can include a flow restricting device and an alternative-path gravel packing system to provide a gravel pack about the flow restricting device. The assemblies, systems, and methods can allow uniform and complete annular sand control pack placement together with reduced flow of unwanted fluids.

Abstract: A treatment assembly treats zones of a horizontal borehole. For example, the assembly can gravel pack a zone by delivering slurry down a workstring. The slurry exits the workstring's outlet and pass to the borehole annulus of the zone through a flow port in the assembly. The gravel in the slurry can pack the borehole in an alpha-beta wave from toe to heel, and the fluid returns from the borehole flow through a screen back into the assembly. After gravel packing, operators remove excess slurry from the workstring by reverse circulating down the assembly to carry the excess slurry uphole through the workstring. Closures on the assembly prevent the reverse circulation from communicating through the screens to the borehole annulus. Additionally, flow valves can be used on the flow ports to selectively open and close them.

Abstract: Methods of fracturing a weakly consolidated target interval in a wellbore in a subterranean formation including providing a pad fluid comprising an aqueous base fluid and nanoparticulates; providing a fracturing fluid comprising an aqueous base fluid and gravel; introducing the pad fluid in the wellbore at or above a fracture gradient rate so as to create or enhance at least one fracture at or near the weakly consolidated target interval, such that the nanoparticulates in the pad fluid penetrate into the weakly consolidated target interval and into the at least one fracture; introducing the fracturing fluid in the wellbore at or above the fracture gradient rate so as to enhance the at least one fracture and form a proppant pack in the at least one fracture; and consolidating the weakly consolidated target interval.

Abstract: A method can include closing a valve interconnected between sections of a washpipe of a service tool string by displacing the service tool string relative to a completion string, thereby preventing flow through the washpipe. A well system can include a service tool string reciprocably received in a completion string, the service tool string including a washpipe received in a well screen, and a valve which selectively permits and prevents flow through the washpipe. The completion string can include a structure which operates the valve in response to displacement of the service tool string relative to the completion string. Another method can include closing a valve by partially withdrawing a service tool string from a completion string, thereby preventing flow through a washpipe of the service tool string.

Abstract: This invention relates to drilling a well, particularly an oil or gas well, where casing or liner will be installed to stabilize the wellbore. The present invention is intended to permit more drilling and longer lengths of casing or liner to be installed at one time. The present invention includes a combination of a smear tool and specially sized granular lost circulation material solids in the drilling mud which work together to close and seal leaking formations and fractures whether pre-existing or induced by drilling. By the natural collection of the inventive solids along with the conventional particles in the drilling mud to form a filter cake at the problem areas along the wall of the wellbore and the smear tool arranged to compress the filter cake into the problem areas, lost circulation is minimized. Maintaining circulation naturally allows for longer drilling cycles and potentially fewer liner joints in the well.

Abstract: The present invention provides for methods of treating a fluid loss zone in a wellbore in a subterranean formation including providing interlocking notched particulates having an outer face comprising at least one notch therethrough; wherein the at least one notch has a shape and an inner perimeter value; providing interlocking protruding particulates having an outer perimeter portion that protrudes in an approximate equivalent to the shape and value of the inner perimeter of the at least one notch; introducing the interlocking protruding particulates and the interlocking notched particulates into the wellbore in the subterranean formation; interlocking the interlocking protruding particulates and the interlocking notched particulates through the at least one notch to form an interlocking network of at least one interlocking protruding particulate and at least one interlocking notched particulate; sealing at least a portion of the fluid loss zone.