Abstract: A system and method for extending a slotted liner shoe is disclosed. According to one embodiment, a low density material is injected into a liner having a plurality of openings. The liner is suspended below a cemented casing in a wellbore of a well in a subterranean formation. The low density material extrudes through a lower portion of the liner into an annulus between the liner and the wellbore. A cement is circulated into the liner above the low density material. The cement extrudes through an upper portion of the liner into the annulus between the liner and the wellbore Water is displaced from the wellbore, and a solid cemented casing string is formed at a desired depth.

Abstract: A technique includes running a seat assembly on a conveyance line into a tubing string, which has previously been installed in a well. The seat assembly includes a seat, which is adapted to receive an untethered object. The technique includes attaching the seat assembly to the string at a location downhole in the well; receiving the object to create a fluid barrier; and diverting fluid using the fluid barrier.

Abstract: A technique is provided for extracting a substance containing hydrocarbon from a reservoir, wherein the reservoir is applied with thermal energy in order to reduce the viscosity of the substance. As per the technique, at least two conductor loops for the inductive energization are provided as electric/electromagnetic heating elements. Each of the at least two conductor loops has at least two extended conductors, which are guided horizontally inside the reservoir. At least two alternating current generators are provided for electric power, each being connected to a respective conductor loop. The technique involves operating a first of the at least two alternating current generators and at least a second of the at least two alternating current generators synchronously with respect to their frequency and with a fixed phase position in relation to one another.

Abstract: Methods and systems for enhancing recovery of hydrocarbons below a permafrost layer are provided which use a downhole combustion device to inject a heated fluid into a subterranean formation to enhance hydrocarbon recovery through viscosity reduction. The system is configured to avoid adversely thermally affecting the permafrost, which is highly undesirable. One or more heat exchangers may be used in conjunction with the combustion device to enhance heat transfer of various streams. The heat exchanger(s) mitigate the adverse effects of various streams on the permafrost by lowering the return stream temperatures, which are transported through the wellbore. A carbon dioxide capture system may be provided to recover carbon dioxide from the combustion device exhaust. Certain optional embodiments allow the amount of carbon dioxide introduced into the formation to be independently controlled to further enhance the hydrocarbon recovery.

Abstract: A multi-zone formation treatment assembly has sections disposed on a tubular structure in a borehole. An isolation element disposed on the tubular structure that isolates a borehole annulus around the section from the other sections, and a flow valve disposed on the tubular structure is selectively operable between opened and closed conditions permitting and preventing fluid communication between the through-bore and the borehole annulus. A screen disposed on the tubular structure communicates with the borehole annulus, and a closure disposed on the tubular structure at least prevents fluid communication from the through-bore to the screen. A workstring of the assembly can be manipulated in the tubular structure relative to each section in the same trip to: open the flow valve, position in the through-bore relative to the open flow valve, deliver the treatment from an outlet to the section through the open flow valve, and close the flow valve.

Abstract: A method of deploying a downhole article comprising a shape memory material, the shape memory material comprising a nanoparticle having greater thermal conductivity than an identical shape memory material but without the nanoparticle; the method comprising heating the article while in a compacted state to change the article to a non-compacted state. A method of deploying the downhole article where the article is a packer element is also disclosed.

Abstract: A method comprising placing a composition comprising a wellbore servicing fluid and a Micro-Electro-Mechanical System (MEMS) sensor in a subterranean formation, whereby the MEMS sensor is coated with an elastomer. The elastomer-coated MEMS sensor is used to detect one or more parameters, including a compression or swelling of the elastomer, an expansion of the elastomer, or a change in density of the composition.

Abstract: A method and device for maintaining pressure in an accumulator for subsea wellbore operations is disclosed.

Abstract: A system and method of liquefying a heavy oil formation to enhance oil production in a well, by inducing shear stress reversal within the formation by a plurality of expanding/contracting bladders in contact with the formation. The induced liquefaction enables formation materials and fluids to flow into the well and thus initiate and propagate the CHOPS (Cold Heavy Oil Production System) process, and thereby enhancing the hydrocarbon production of the well.

Abstract: A technique facilitates controlling flow in a wellbore with a simplified valve. The design of the valve also enables reduction in the overall length of the valve to improve spatial considerations. The valve comprises a valve component, e.g. a flapper, movable between a closed position and an open position. A flow tube is designed to selectively open the valve component with reduced travel, thus enabling a shortened flow tube. The short flow tube enables use of valve housings, springs, and other valve components having a reduced length.

Abstract: A system for stimulating a multi-zone well includes a tubular body apportioned into at least a first zone and a second zone. The system has a first set of plugs placed in pre-drilled holes along the tubular body within the first zone. The plugs in the first set of plugs are fabricated to substantially dissolve upon contact with an acidic stimulation fluid within a first selected time. The system also has a second set of plugs placed in pre-drilled holes along the tubular body within the second zone. The plugs in the second set of plugs are fabricated to substantially dissolve upon contact with the acidic fluid within a second selected time that is greater than the first selected time.

Abstract: An apparatus including a downhole tool for conveyance in a wellbore extending into a subterranean formation. The downhole tool includes a mandrel, and a first packer and a second packer expandable from the mandrel into contact with a wall of the wellbore. The downhole tool includes a standoff coupled to the mandrel between the first packer and the second packer and having a rigid outer perimeter that is diametrically larger than an outer perimeter of the mandrel.

Abstract: A method for running a tubular string in wellbore operations according to one or more aspects of the present disclosure includes providing a tubular running tool comprising gripping assembly rotationally connected to a carrier, the gripping assembly comprising a body and slips; connecting the carrier to a quill of a top drive of a drilling rig; positioning an end of a tubular for gripping with the slips; actuating the slips into gripping engagement with the tubular; and rotating the tubular with the slips in gripping engagement therewith.

Abstract: Hydraulically actuated standoffs for downhole tools are described. An example apparatus includes a downhole tool having a body defining an outer surface and a plurality of standoffs distributed about the outer surface. The example apparatus also includes a hydraulic circuit operatively coupled to the standoffs. The hydraulic circuit includes a plurality of hydraulically actuated pistons, each of which is operatively coupled to a respective one of the standoffs to extend and retract the respective standoff. The pistons are hydraulically coupled and sized to extend or retract the respective standoffs at substantially the same rate in response to a hydraulic control signal.

Abstract: This device includes a cable (32) having a smooth outer surface (40). The cable (32) comprises a central conductor (42) and an annular outer sheath (44). The outer sheath (44) includes a polymer matrix (56) and mechanical reinforcing fibers (58, 60) embedded in the polymer matrix (56). The central conductor (42) comprises a solid cylindrical metal core (48) having a smooth outer surface (52), a breaking strength greater than 300 daN and a lineic electrical resistance greater than 30 mohms/m.

Abstract: Apparatuses and methods for improving the reliability of pinpoint stimulation operations is disclosed. A pinpoint stimulation improvement apparatus is disclosed which includes a hold down device, at least one flow reducer coupled to the hold down device, and a jetting tool coupled to the flow reducer. The flow reducer is positioned downstream from the jetting tool. A fluid flowing through the jetting tool passes through the flow reducer and forms a sand plug downstream from the pinpoint stimulation improvement apparatus.

Abstract: A process for producing mineral oil from underground mineral oil deposits. One or more flooding media is injected into an injection well and mineral oil is withdrawn from a production well. Highly permeable zones are blocked in the region between the injection well and the production well by injecting aqueous formulation F1 and aqueous formulation F2 each separately in succession through the injection well into the deposit. F1 and F2 mix with one another in the formation after injection to form viscous gels. F1 comprises water and urotropin and F2 comprises water and urea. F1 and/or F2 comprise(s) at least one further compound M selected from metal compounds and semimetal compounds, which further compound can form gels when admixed with bases, the injection well temperature before process step (2) being not more than 60° C.

Abstract: A valve for a pressure vessel of an automatic fire extinguishing system comprises a valve housing with a valve output opening for connecting an extinguishing line, a valve input opening for connecting the valve to the pressure vessel, a valve seat arranged between the valve output opening and the valve input opening, a low pressure chamber for connecting a triggering device and a high pressure chamber connectable with the low pressure chamber, wherein arranged in a the valve housing is a closing piston comprising a valve seat seal, which can be moved between a closing piston closed position and a closing piston open position, a pressure control unit in pressure connection with the valve input opening and the low pressure chamber for controlling the low pressure in the low pressure chamber relative to a vessel pressure of the pressure vessel and a control piston which can be moved between a control piston closed position and a control piston open position, wherein the closing piston is arranged in the closing

Abstract: A fire suppression apparatus, including a support stand including: a rigid surface; a support tube rigidly coupled to the rigid surface, the support tube having a major axis; a pipe disposed within the support tube, the pipe comprising a body having a first end and a second end, the pipe slidably and lockably coupled within the support tube and adjustable in a direction parallel to the major axis, wherein a length of the pipe is greater than a length of the support tube, and wherein the pipe is configured to transport a fluid from the first end to the second end; a valve coupled to the first end of the pipe; and a nozzle coupled to the second end of the pipe. A fire suppression method includes deploying interconnected apparatus at a desired separation distance and gradually increasing water flow through the apparatus.

Abstract: In various embodiments, a garden tool may include a handle, a blade and mechanism for securing the handle to the blade. In various embodiments, the mechanism may include a first portion, in some cases a first band, configured to securely receive the handle. In various embodiments, the mechanism may include a second portion, in some cases a second band, defining a channel to surround a span of the handle. In various embodiments, the channel may be wider than a width of the handle along the span. This may permit movement of the handle relative to the blade during operation of the garden tool.

Abstract: Embodiments provide a grading and/or scarifier apparatus configured to be coupled to a motor vehicle, such as a tractor. The apparatus may include a rear mounted frame supporting a blade assembly and/or a scarifier. The scarifier may include a first frame, a second frame slideably disposed through the first frame, and scarifier shanks retained by the second frame. The blade assembly may be pivotable around a substantially vertical axis extending from the blade assembly and/or around a substantially horizontal axis extending through the center of the motor vehicle. The blade assembly may include adjustable end plates at each end, which are maintained at a constant angle to the horizontal axis as the blade is pivoted around the vertical axis. The apparatus may further include trailing wheels that are pivotally attached to the frame and selectively laterally displaceable with respect to the horizontal axis.

Abstract: A drawbar mechanism for coupling an earth-working tool to an agricultural implement is disclosed. The agricultural implement includes a frame and a source of hydraulic pressure. The drawbar mechanism includes an extendable and retractable hydraulic cylinder in fluid communication with the source of hydraulic pressure and having a first end pivotally coupled to the frame and a second end. A drawbar having a first portion pivotally coupled to the frame defines a working range. The drawbar having a second portion coupled to the earth-working tool. The second end of the hydraulic cylinder is pivotally coupled to the drawbar enabling a substantially constant down force throughout the working range of the drawbar.

Abstract: A rolling basket support for coupling a rolling basket to an agricultural implement is disclosed. The rolling basket support includes a center portion having a bearing mount. A periphery extends radially around the bearing mount. The periphery has a radially inner notch for coupling to ground-engaging bars of a first cross-section and a radially outer notch for coupling to ground-engaging bars of a second cross-section.

Abstract: An agricultural disk gang includes an elongated disk gang bolt having a threaded end with an externally threaded surface. A plurality of cultivating disks are supported on the disk gang bolt. A nut is threadably engaged with the externally threaded surface. The nut has a first side facing the disks and a second side facing away from the disks. The nut is disposed to axially compress the disks together on the disk gang bolt when tightened. A tensioning structure is mounted on the disk gang bolt outside of the nut. The tensioning structure has a plurality of threaded through holes. A plurality of threaded fasteners are threadably engaged with the threaded through holes and are disposed to axially compress the disks when the plurality of threaded fasteners are tightened, thereby permitting the nut to be further tightened.

Abstract: The present invention provides a power tool for tightening a fastener. The power tool includes a motor, a hammer, an anvil, and a control unit. The hammer is intermittently or continuously rotatable in a forward direction by the motor. The anvil is impacted by the hammer rotated in the forward direction. The control unit controls the hammer to continuously rotate at a first number of rotations, and to intermittently rotate at a second number of rotations lower than the first number of rotations when a prescribed time has elapsed from the rotation of the hammer at the first number of rotations, and then to intermittently rotate at a third number of rotations lower than the second number of rotations when a predetermined time has elapsed from the rotation of the hammer at the second number of rotations.

Abstract: A machine tool, especially a jigsaw, is disclosed. Angle deviations from a set angle position of the working tool are detected as the actual angle is adapted to the set angle by rotationally adjusting the working tool.

Abstract: An impact tool including: a motor; a speed-reduction mechanism that reduces a torque of the motor; a hammer connected to an output portion of the speed-reduction mechanism; and an anvil that can be swung relatively to the hammer, wherein the hammer is directly driven by the motor, and wherein the impact tool can operate in: a drill mode in which an end tool attached to the anvil is rotated by rotating the hammer in one direction so as to rotate the anvil; and an impact mode in which the end tool attached to the anvil is rotated while the hammer intermittently strikes the anvil.

Abstract: A device for supplying a rinsing medium to a tool of a hammer drill and a hammer drill. The device includes at least one of a rotatable and axially displaceable drilling tool holder having at least one supply channel for the rinsing medium, a transfer part interacting with the drilling tool holder, a housing, a feeder structured and shaped essentially in an axially symmetrical manner, and a holding part with a rinsing medium inlet. The feeder and the holding part are arranged as a connected component, and friction bearings are arranged on both sides of the feeder and arranged toward the drilling tool holder. The holding part is structured to be radially displaceable within limits via bending with respect to at least one of the housing and a fixing ring connected to the housing, but positively fixed tangentially.

Abstract: The present invention provides a handheld driver having a housing with a handle and a trigger that drives a set of gears to rotate a shaft having a fitting for a socket, screwdriver bit or drill bit.

Abstract: The invention relates to a main housing element for a multi-part housing of an electrical device. The main housing element consists of a frame element and at least one connector element integrated in the frame element and produced in one piece with the frame element. The connecting region between the at least one connector element and the frame element is configured as a predetermined breaking point. In the course of assembly of the main housing element a mechanical separation of the connector element from the frame element takes place, whereby the connector element and the frame element are uncoupled.

Abstract: Disclosed herein is an electrically conductive buoyant cable. The cable includes an electrical conductor member having at least one pair of electrical conductors. The electrical conductors are embedded into a core member. The core member defines a filler layer. A reinforcing member is similarly embedded into the core. The reinforcing member includes strands of reinforcing fibers. The reinforcing members are grouped to support the electrical conductor and prevent delamination. A skin member surrounds the core member and encapsulates the members and prevents water penetration. A tie down member secures each end of the cable while an end cap is fitted over the tie down member. The end cap is sized and shaped for compatible engagement with the desired movable device and a power source.

Abstract: The invention relates to a cable suitable for supplying power to a drilling rig's top-drive assembly. In a typical embodiment, the power cable includes (i) a plurality of high-conductivity conductors, (ii) an electromagnetic shield, (iii) two protective sheaths, and (iv) a reinforcing layer of braided aramid fibers between the protective sheaths.

Abstract: Plasticiser blends of C10 to C14 dialkyl phthalates or C8 to C10 trimellitates and C11 to C14 dialkyl adipates are provided. The blends may be used in the manufacture of flexible PVC formulations, for example, as wire and cable coatings, having in several embodiments, good performance over a wide temperature range and are particularly useful for automotive cables.

Abstract: A flat cable includes a plurality of wires arranged in parallel, and a fibrous member woven between the plurality of wires in the arrangement direction of the plurality of wires. The plurality of wires each include an inner conductor including a filament and a plurality of conductors on an outer periphery of the filament, and an insulation on an outer periphery of the inner conductor. The fibrous member includes a polyurethane elastic fiber.

Abstract: Strippable semiconductive shields comprise a composition comprising in weight percent (wt %) based on the weight of the composition: (A) 20 to 80% of an interpolymer of an olefin and an ?,?-unsaturated carbonyl comonomer, (B) 1 to 90% chlorinated polyolefin, (C) 20 to 45% carbon black, (D) 0.1 to 5% antioxidant, (E) 0.01 to 5% acid scavenger stabilizer; (F) Optionally free radical initiator, (G) Optionally silane functionality, (H) Optionally a sulfur-containing curative, and (I) Optionally a radiation-cure catalyst.

Abstract: A composite insulating tape (20) comprises a laminate or co-extrusion of at least two layers, including an insulating first layer (24) of a polymer matrix in which mica particles are dispersed and a second layer (26) of a polymer containing aromatic and/or heterocyclic rings and having a melting point of at least 350° C. and a glass transition temperature of at least 150° C. The tape can be used to form a multilayer coating on a conductor (10) such as an electric wire. An outer protective layer (28) of a fluoropolymer such as PTFE may be applied around the wrapped tape, by wrapping or extrusion.

Abstract: There is provided a terminal block for a vehicle-mounted battery assembly. The terminal block is attached to a total positive/negative terminal block which is attached to the vehicle-mounted battery assembly. An external extraction positive-side fastening portion and an external extraction negative-side fastening portion are positioned at different heights. A terminal cover is configured to cover the external extraction positive-side fastening portion. The terminal cover includes a fitting portion fitted into the terminal block for the vehicle-mounted battery assembly, a hinge portion engaged with the fitted portion, an arm portion engaged with the hinge portion, and a cover body engaged with the arm portion. The arm portion has a predetermined length, so that by hinge operation of the hinge portion, the cover body covers both the external extraction positive-side fastening portion and the external extraction negative-side fastening portion which are positioned at different heights.

Abstract: A multiple layered apparatus and method for forming a z-axis interconnect is provided. The multiple layered apparatus comprises a protective layer, a dielectric layer, a conductive layer, and a support layer. A method for forming a z-axis interconnect using the multiple layer apparatus resulting in a thinner and less expensive structure for printed circuit board applications.

Abstract: Provided are a circuit board structure and a fabrication method thereof, including the steps of: forming a first circuit layer in a first dielectric layer and exposing the first circuit layer therefrom; forming a second dielectric layer on the first dielectric layer and the first circuit layer, and forming a second circuit layer on the second dielectric layer; forming a plurality of first conductive vias in the second dielectric layer for electrically connecting to the first circuit layer to thereby dispense with a core board and electroplated holes and thus facilitate miniaturization. Further, the first dielectric layer is liquid before being hardened and is formed on the first dielectric layer that enhances the bonding between layers of the circuit board and the structure.

Abstract: A multilayer wiring board includes inner-layer wiring boards each having wirings on both sides thereof; electrically insulating substrates each having through-holes filled with a conductive paste; and wirings formed in the outermost layers. The wiring boards and the electrically insulating substrates are stacked alternately in such a manner that the wirings of the wiring boards are embedded in the electrically insulating substrates at both ends of the conductive paste.

Abstract: The present invention relates to a double-sided flexible printed circuit board in which circuit patterns are formed, including an insulating substrate, conduction layers sputtered on both sides of the insulating substrate, a through hole formed to connect circuits formed in the both sides, seed layers formed on the conduction layers of the both sides, and pattern plating layers formed on an inner wall of the through hole and on the respective seed layers, and a method of manufacturing the same. Accordingly, the loss of a circuit width can be minimized because a sputtering-type material not an adhesive is used between the insulating substrate and the thin copper (Cu) layer. Further, productivity can be improved because a roll-to-roll process can be used. In addition, the thickness of a circuit can be controlled and micro circuit patterns can be formed because a semi-additive method is used.

Abstract: In the case where a coating film is formed on a curved outer peripheral surface of a base body from a slurry through a wet process, when pseudoplasticity is imparted to the slurry, the slurry exhibits favorable film formability, and the coating film formed on the curved surface exhibits favorable shape stability. A solid film obtained through solidification of the coating film is formed such that the following relation is satisfied: tedge/tcenter?1.2 wherein tcenter represents the thickness of the center of the film in a specific direction along the outer peripheral surface, and tedge represents the thickness of the film at a position distant by 2tcenter from one end of the film in the specific direction.

Abstract: A resonant structure and a method for fabricating the resonant structure each include a substrate that includes at least one cavity. The resonant structure and the method for fabricating the resonant structure also include a resonant material layer located and formed over the substrate and at least in-part covering the at least one cavity. The resonant structure may comprise a graphene resonator structure.

Abstract: An apparatus is provided. The apparatus comprises a substrate and a circuit trace. The substrate includes a region that is adapted to receive a discrete component, a metal layer, a dielectric layer formed over the metal layer, a window formed in the metal layer that underlies the region, and a conductive strap that extends across the window. The circuit trace is formed on the dielectric layer and is discontinuous across the region.

Abstract: A structure of a printed circuit board and a method of manufacturing the same are provided. The manufacturing method includes a first step of forming at least one connecting bump on first circuit patterns and forming a first insulating layer to form an inner circuit board, a second step of processing a second insulating layer with a metal seed layer formed thereon using a mold to form second circuit patterns so as to construct an outer circuit board, and a third step of aligning the inner circuit board and the outer circuit board with each other and laminating the inner circuit board and the outer circuit board. Accordingly, a structure of a high-density high-reliability printed circuit board having a circuit embedded in an insulating layer can be provided. A seed layer forming process for forming an outmost circuit can be removed by using an insulating layer combined with a seed layer.

Abstract: Disclosed is a multilayer wiring board having via-hole conductors for connecting a first copper wiring and a second copper wiring, the via-hole conductor including a metal portion and a resin portion. The metal portion includes a first metal region including a link of copper particles as a path for electrically connecting the first and second copper wirings; a second metal region mainly composed of at least one selected from tin, a tin-copper alloy, and a tin-copper intermetallic compound; and a third region mainly composed of bismuth. The copper particles forming the link are in plane-to-plane contact with one another. At least one of the first copper wiring and the second copper wiring is in plane-to-plane contact with the copper particles, and the portion where there is such a plane-to-plane contact is covered with at least a part of the second metal region.

Abstract: A wiring board includes: a first wiring layer; a first insulating layer formed on the first wiring layer and including a reinforcing material therein, the first insulating layer having a first opening; a contact layer formed on the first insulating layer and having a second opening communicated with the first opening; and a second wiring layer comprising a second via and a second wiring pattern connected to the second via. The second wiring pattern is formed on the contact layer, and the second via is filled in the first and second openings. An adhesion property between the contact layer and the second wiring pattern is higher than that between the first insulating layer and the second wiring pattern, and a thickness of the contact layer is smaller than that of the first insulating layer.

Abstract: An electrical conductive member is provided with a base layer and a conductor. The base layer includes a first portion, a second portion extending at an angle relative to the first portion, and a curved portion connecting the first portion and the second portion. The conductor is arranged on a portion of the base layer.

Abstract: A structure includes a substrate on a surface of which a functional element and a first electrode are disposed, wherein the functional element provides a predetermined function by an operation based on an electrical signal and the first electrode is coupled to the functional element; an insulating member in a thin film that covers the surface of the substrate and extends from an end of the substrate; and a second electrode disposed on a substrate-side surface of the extending portion, which is extending from the end of the substrate, of the insulating member, wherein the second electrode is coupled to the first electrode. The second electrode is electrically coupled to a coaxial cable.

Abstract: A stacked substrate module includes a first and a second substrate. The first substrate has several pads which extend respectively from a stacked area of the first substrate to the outside of the stacked area. The second substrate has several welding areas arranged on the outer lateral side thereof; each welding area extends respectively from the outer lateral side of the second substrate to an upper and a lower surface of the second substrate. The second substrate is stacked in the stacked area of the first substrate, wherein the lateral side of the second substrate is aligned to the edge of the stacked area of the first substrate. The aforementioned pads correspond to the welding areas respectively. It is suitable to position a solder paste between the pads and the welding areas which can be reflowed to connect the pads and the welding areas.