Abstract: An underbody assembly for a vehicular climate control system is disclosed including fluid flow conduits formed of steel coated with polymeric material such as nylon 12. The conduits are continuous between opposite ends free of joints or flexible connection. In one form, the conduit includes branches or connectors formed of polymeric material sealed to the outer polymeric layer of the tube.

Abstract: A heat exchanger for an automotive vehicle includes two headers, first tubes for carrying fluid between the headers, and second tubes for carrying engine coolant between the headers, staggered with respect to the first tubes, each tube inclined relative to an air stream entering the heat exchanger.

Abstract: A tank body 125 comprising header tanks 120 of a radiator is composed with a polyamide composition containing polyamide 6,10, glass fiber, copper and nucleating agent. At this time, the polyamide composition contains, based on the total weight of the polyamide 6,10, the glass fiber, the copper and the nucleating agent,(a) 48.9 to 79.988 percent by weight of the polyamide 6,10, (b) 20 to 50 percent by weight of the glass fiber, (c) 0.002 to 0.1 percent by weight of the copper, and (d) 0.01 to 1.5 percent by weight of the nucleating agent, and the result of measuring half-crystallization time of the polyamide composition is 5 minutes or less. In addition, the polyamide 6,10 used has a relative viscosity, as measured in 98 percent sulfuric acid, of 2.3 to 2.9.

Abstract: To provide a heat exchange device having tubes both ends thereof are fitted into a connecting pipe thereby exchanging heat at a surface of the tube, and a method of manufacturing the same. In a heat exchange device 1, both ends of a plurality of tubes 2 for letting through a second heat medium 4 are fitted tightly into connecting tubes 5 while being contacted with a first heat medium 3 thereby exchanging heat between the first and the second heat media 3 and 4, and an inner diameter of the connecting pipe 5 is larger at the side in which the tubes 2 are fitted.

Abstract: The temperature control device comprises a heating pathway that heats and circulates the fluid in the temperature adjustment unit, a cooling pathway that cools and circulates the fluid in the temperature adjustment unit, a bypass pathway that circulates the fluid in the temperature adjustment unit without passing the fluid through the heating pathway and the cooling pathway, an adjustment means that adjusts a flow ratio of the fluid that is supplied from the heating pathway, cooling pathway, and bypass pathway to the temperature adjustment unit, and a flow means that flows the fluid in order to circulate the fluid, and wherein a heating unit for heating the fluid is arranged in the heating pathway, and the flow means is disposed downstream from the heating unit along at least one of the pathways for circulating the fluid.

Abstract: A cold energy storage system for a vehicle includes an air-conditioning unit (AU) incorporating an evaporator (6) and a heater core (9), and stores cold energy when a cooling operation is performed and supplements the cooling operation with use of the stored cold energy after the cooling operation is stopped.

Abstract: A wellhead system comprising a high pressure housing having a retractable ring and a casing hanger having an activation ring configured to be engaged by the retractable ring when the casing hanger is lowered into the high pressure housing. An expandable load member is carried by the casing hanger into the high pressure housing. When the activation ring is engaged by the retractable ring, the activation ring is blocked from further downward motion. The activation ring and the body of the casing hanger cooperate with the load member to expand the load member outward into engagement with the high pressure housing as the casing hanger is lowered further into the high pressure housing. The outer surface of the load member and the inner surface of the high pressure housing are configured so that the high pressure housing supports the casing hanger when the load member is expanded into engagement with the high pressure housing.

Abstract: A tubing connection release system. The system includes, a male connector having a profile at one end thereof and receptive to a tubular at the other end thereof, a female connector receptive to a tubular at one end thereof and receptive to the male connector at the other end thereof. The system further includes, a sleeve disposed radially inwardly of the female connector, and a collet having at least one deflectable collet finger disposed radially inwardly of the sleeve. The collet is biased to a position within the female connector whereat the at least one collet finger is supported against radially outward deflection. The collet is further movable by the push-in connector against the bias to a position where the at least one collet finger is radially outwardly unsupported such that the profiled end of the male connector is movable into engagement with the at least one collet finger.

Abstract: Apparatus and method for isolating an annular bore below a tubing hanger body disposed in a wellhead assembly. The hanger body is characterized by at least two annulus flowby passages that are capable of fluid communication with areas outside the hanger body through the central bore of the hanger body. An integral valve piston is disposed within the central bore of the hanger body, and is operable to axially displace within the central bore between a closed and opened position. The displacement of the piston is caused by the alternating introduction of pressurizing fluid into separate actuation chambers. In the closed position, the piston is positioned so that at least one of the flowby passages is sealingly engaged in a manner that prevents fluid flow through the hanger body from outside sources such as an annulus bore located below the hanger body.

Abstract: A wellhead seal assembly forms a metal-to-metal seal between inner and outer wellhead members. A metal seal ring has inner and outer walls separated by a slot. An energizing ring has a C-ring captured on its outer surface. When the energizing ring is moved farther into the slot, the C-ring is forced from its pocket and engages a profile on the seal ring, locking the energizing ring to the seal assembly.

Abstract: A method for determining a shape of an expanded tubular including expanding an expandable swage, urging the expandable swage though an expandable tubular, and determining an outside dimension of at least one segment of the expandable swage.

Abstract: Systems and methods for producing a well using a gas are disclosed herein. A compressed lift gas can be provided to a well to obtain a production stream. The production stream can be separated to obtain the product and a recycle gas stream. The recycle gas stream can be immediately recompressed for use as lift gas, or separated to form a lift gas stream, and a power stream containing natural gasses from the well. The lift gas stream is recycled for use as lift gas, while the power stream can be transported and/or collected for sale, recycled for use as lift gas, or consumed as power for the compressor, based on measurements obtained throughout the system, coupled with practical and economic variables. By supplementing or replacing generated lift gas and/or an external power source with natural gas from the well, the present systems and methods can become self-contained after start-up.

Abstract: Methods and devices are provided for accurately determining depths of certain structures in downhole strings. Locator tools comprise a shaft and a plurality of locator springs longitudinally mounted on the shaft. The locator springs are biased to expand and are configured to compress to allow the tool to traverse past restrictions in the downhole string. Each locator spring includes a locating pad that allows it to engage with an internal locating notch in the downhole string. The internal locating notch is sized to mate with the locator tool, i.e., to allow the locator springs to engage the internal locating notch. In this way, the depth of internal locating notches may be determined precisely and accurately by sensing engagement of the tool with the internal locating notch. Advantages of certain embodiments include more accurate depth determination, repeatable engagements of the tool, and reduced false engagements.

Abstract: A coiled tubing deployed fluid sampler (50) for collecting a single phase fluid sample from a well. The fluid sampler (50) is actuated to establish fluid communication between an interior (56) and an exterior of the fluid sampler (50) such that a fluid sample is obtained from the well in a chamber (92) of the fluid sampler (50). The fluid pressure in the coiled tubing string is then increased, which pressurizes the fluid sample in the chamber (92). Thereafter, the coiled tubing and the fluid sampler (50) are retrieved to the surface with the pressurized fluid sample remaining above its saturation pressure during collection and retrieval to the surface.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The modified sealing pads increase the flow area by collecting fluids from an extended portion along the surface of a borehole, which is likely to straddle one or more layers in laminated or fractured formations. A tester device using the elongated sealing pads can be deployed and withdrawn using an extendible element pressing the pads to the borehole. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: An expandable tubular to be used within geologic structures and a method of manufacturing thereof are disclosed. The expandable tubular has a substantially tubular shaped member with an axis extending therethrough. The tubular member has one or more helical members formed within a wall of the tubular member, and the helical member may be defined about the axis of the tubular shaped member. Further, a plurality of elongated perforations are formed within the wall of tubular member, and the tubular member is compressible from a larger diameter to a smaller diameter. When compressed, the tubular member stores expansive energy within the wall, in which the tubular member may then expand back to a larger diameter when the expansive energy is released.

Abstract: Disclosed herein is a swellable packer having a support element. A portion of the support element is substantially adjacent to the base tubular. Another portion of the support element is separated from the base tubular and a portion of the area between the support element and the base tubular is filled with the swellable material. Also disclosed herein is a sealing system including a packer as described above and a method for sealing within a wellbore using a packer as describe above.

Abstract: A method of servicing a wellbore comprising placing a sealant composition comprising solid latex into the wellbore.

Abstract: Of the many methods provided herein, one method includes a method of treating an interval of a subterranean formation having a permeability that varies comprising: identifying the interval to be treated; introducing a relative-permeability modifier into the interval, wherein the relative-permeability modifier modifies the interval to have a more uniform effective permeability to water, wherein the relative permeability modifier comprises a water-soluble polymer; and introducing a sealant into the interval, wherein the more uniform effective permeability of the interval allows for a more uniform treatment of the interval by the than would be allowed without treatment of the interval with the relative-permeability modifier.

Abstract: A tubing connection release system. The system includes, a male connector having a profile at one end thereof and receptive to a tubular at the other end thereof, a female connector receptive to a tubular at one end thereof and receptive to the male connector at the other end thereof. The system further includes, a sleeve disposed radially inwardly of the female connector, and a collet having at least one deflectable collet finger disposed radially inwardly of the sleeve. The collet is biased to a position within the female connector whereat the at least one collet finger is supported against radially outward deflection. The collet is further movable by the push-in connector against the bias to a position where the at least one collet finger is radially outwardly unsupported such that the profiled end of the male connector is movable into engagement with the at least one collet finger.

Abstract: Prior to a hydraulic fracturing treatment, the requisite injection rate for a desired propped fracture length of a fracture may be estimated with knowledge of certain physical properties of the proppant and transport fluid such as fluid viscosity, proppant size and specific gravity of the transport slurry as well as fracture geometry and the fracture length. The requisite injection rate may be determined for the desired propped fracture length of the fracture, DPST, in accordance with Equation (I): (qi)=[1/(DPST)B]×[(1/A)×CTRANS×(d2prop)×(1/?fluid)×(?SGPS)]??(I) wherein: A is the multiplier and B is the exponent from the Power Law equation of velocity of the transport slurry vs. distance for the fracture geometry; CTRANS is the transport coefficient; dprop is the median proppant diameter, in mm.

Abstract: A technique is presented for providing a double-barrier to formation fluids during drilling operations with a concentric drill string having an inner bore and an annulus. A primary flow control system is used to provide a first barrier to formation fluids in the inner bore and annulus of the drill string. A backup flow control system is used to provide a second barrier to formation fluids. The backup flow control system comprises a backup inner bore shutoff valve and a backup annulus shutoff valve. The backup inner bore shutoff valve is dropped from the surface through the inner bore of the drill string. The backup inner bore shutoff valve has spring-biased tabs that are configured to extend outward to contact an inner surface profile of the inner bore of the drill string. The backup annulus shutoff valve may be provided with the profile to receive the spring-biased tabs from the backup inner bore shutoff valve.

Abstract: A system isolates a control system for a downhole tool from the internal pressures in the tubing in which the tool is mounted. Opposed seals are used on a moving component in the tool so as to offset pressure induced forces regardless of the internal operating pressure of the tool. In a particular application to a subsurface safety valve the control system can be isolated from tubing pressure by offset seals between the passage and the flow tube or around exposed portions of the operating piston for the flow tube.

Abstract: A check valve comprising a section of a drill string, a flapper valve positioned within and concentric to the section of the drill string, and a piston valve positioned within and concentric to the section of the drill string. The flapper valve allows fluid flow in a first direction through an inner portion of a cross-section of the section of the drill string and not allowing fluid flow in a second direction, and the piston check valve allowing fluid flow in the first direction through an outer portion of the cross-section of the section of the drill string and not allowing fluid flow in the second direction, where the first portion and the second portion of the cross-section of the section of the drill string are mutually exclusive.

Abstract: Embodiments of the present invention generally relate to a casing tester for plugging and abandoning a wellbore. In one embodiment, a method of testing an annulus defined between a first tubular string and a second tubular string includes engaging a first annular packer with an outer surface of the first tubular string and engaging a second annular packer with an outer surface of the second tubular string. The tubular strings extend into a wellbore. The method further includes injecting a test fluid between the packers until a predetermined pressure is exerted on the annulus.

Abstract: Embodiments described herein comprise an apparatus and method for transporting a control package for a lower marine riser package (LMRP) to an offshore platform. The apparatus may include a lifting cage and a base. The lifting cage may be configured to lock to the base. The base may be configured to secure a control package in the interior of the container.

Abstract: A technique for subsea operations utilizes a surface vessel to perform the installation and retrieval of submersible pumps or other tools with respect to a subsea well. A submersible pump is conveyed from a surface vessel to a subsea installation which is used to temporarily secure the submersible pump. Subsequently, the surface vessel is again used in cooperation with a conveyance to deliver the submersible pump to a desired location in a wellbore beneath the subsea installation.

Abstract: A mobile equipment for riserless drilling, well intervention, subsea construction and the like from a dynamic positionable vessel having a moonpool (8) is comprising two masts (1) situated at the moonpool (8), a yoke (6) extending between and is movably arranged on the masts, a hydraulic topdrive (7) mounted to the yoke, and a drillfloor (3, 4) mountable in connection with the moonpool (8).

Abstract: A downhole pump assembly for removing volumes of liquids, crude oils, gases, and produced waters, from oil or gas wells is described based on a downhole controllable electric drive, and a positive displacement pump, wherein the electric drive powers a hydraulic pump that powers the positive displacement pump.

Abstract: An apparatus for aligning a component includes: a downhole sub including a plurality of first axially extending tapered members, the plurality of first axially extending tapered members configured to engage a plurality of second axially extending tapered members of a downhole carrier in an interlocking engagement and prevent rotation of the downhole carrier relative to the downhole sub.

Abstract: A cable component is provided that includes at least one optical fiber; and a two shaped profiles having inner and outer surfaces such that the inner surfaces combine to from an enclosure for the at least one optical fiber, wherein a first of the two shaped profiles has a cross sectional arc that is greater than a cross sectional arc of a second of the two shaped profiles.

Abstract: Carbon dioxide is sequestered in a formation using dual or multiple completion and injection methods that reduce or eliminates upward leak rates of the sequestered carbon dioxide. The dual or multiple completion and injection method involves the injection of a benign fluid such as brine (water) into a permeable layer of the formation located above the sequestration layer and which is separated form the sequestration layer by a nearly impermeable layer. The water is injected at the same time the carbon dioxide is injected.

Abstract: A fire suppression apparatus and method of generating foam are provided in which a foam-forming liquid is introduced under high velocity and pressure into a mixing manifold through a plurality of jets, and a non-combustible gas is introduced under high velocity and pressure into the center of the mixing manifold, downstream of the jets and in the direction of flow of the foam-forming liquid. The foam generated in the mixing manifold is discharged through a hose and nozzle connected to the mixing manifold. The apparatus may be a self-contained unit, supported on a frame, with its own supply of foam-forming liquid and non-combustible gas.

Abstract: The invention provides a self contained firefighting apparatus that is mounted on the side of a storage tank. This firefighting device employs a cylinder of compressed gas used as the driver for the “Aqueous Film Forming Foams” (AFFF) that is released by a bladder or piston system once the heat sensor located at the end of the dispensing outlet pipe is activated. A predetermined amount of the AFFF agent5 is then distributed onto the inferno depriving the fire of the necessary oxygen needed to fuel the continued combustion, thereby extinguishing the fire within seconds. 5 The amount of AFFF agent needed is based upon the particular or specific circumference of the storage tank requiring the storage tank fire suppression system.

Abstract: A pendent type residential fire sprinkler is described. The residential fire sprinkler has a body with a K-factor of at least 6 passage coupled to a deflector assembly that distributes fluid flowing through the passage over a coverage area to perform in accordance with Underwriters Laboratory Standard 1626 (October 2003) for listing by Underwriters Laboratory Incorporated so that the body and a heat responsive trigger disposed between the passage and the deflector assembly of the sprinkler can be installed in accordance with the 2002 Edition of National Fire Protection Association Standards 13, 13D, and 13R. Various aspects of the residential fire sprinkler, including a method of protecting a residential dwelling unit are described.

Abstract: A fire extinguisher (50, 50?, 50?) comprises a container (10, 10?) that holds a fire-extinguishing substance and that has a container jacket (12, 12?) closed at both ends, and a piston (20, 20?) which is axially displaceable in the contain which separates a space (22, 22?) for fire-extinguishing substance from an expansion space (24, 24?) in the container. According to the invention, an inner compressed-gas chamber (26, 26?) provided in the container (10, 10?) is spatially separate from the expansion space and serves for controlled pressurizing of the expansion space (24, 24?). The piston (20, 20?) is arranged such that it can be displaced along the compressed-gas chamber (26, 26?).

Abstract: The machine of the invention includes a separator comprising rotary transport means and sorting means for sorting the soil and the stones collected when digging a trench and for re-depositing them in a desired manner in said trench.

Abstract: The invention describes a hand machine tool, a battery pack, or a charger for at least one battery, or for a battery pack, having a housing, or part of a housing, made of at least one plastic, and having at least one indicator component mixed in with the at least one plastic.

Abstract: The invention relates to a coupling arrangement for coupling a drill shank of a rock drill unrotatably but axially movably. The coupling arrangement comprises power transmission members between the surfaces of the drill shank and the rotation bushing, which transmission members rotate along the surfaces, as the drill shank moves longitudinally to the rotation bushing, and transmit the rotation torque from the rotation bushing to the drill shank.

Abstract: The invention relates to a power screwdriver (10) comprising a motor (12) as the drive, a desired torque default element (52) and an actual torque determination element (46), a torque gradient determination element (48) and a motor control (40) which controls the motor (12) depending on the torque gradient (dmd_lst/dt). The invention is characterized by a torque threshold determination element (50) which provides a torque threshold value (Md_Lim, Md_Lim1, Md_Lim2) that depends on the torque gradient (dmd_lst/dt) and lies below the desired torque value (Md_Soll). If the actual torque value (md_Ist) exceeds the torque threshold value (Md_Lim, Md_Lim1, Md_Lim2), a motor control (40) presets a speed reduction for the motor (12) or already completely switches off the motor (12). The power screwdriver (10) according to the invention avoids torque overshoots and yet allows the desired torque value (Md_Soll) to be exactly reached in the shortest time possible.

Abstract: A percussion drill, and methods of using the same, including a shank in mechanical alignment with a piston-hammer and a valve in fluid communication with the piston-hammer. The percussion drill further includes an internal hydraulic dampening system for reducing the velocity of the piston-hammer when the shank is forward of a power position relative to the velocity of the piston-hammer when the shank is in a power position. Preferably, the internal hydraulic dampening system includes mechanical alignment of a portion of the piston-hammer with a port in fluid communication with the valve, operable to reduce fluid flow into an area surrounding the valve when the piston-hammer is forward of its position relative to its normal operation.

Abstract: A communications cable is provided with a matrix tape that attenuates alien crosstalk when cables run near one another. The matrix tape is provided with conductive segments. The conductive segments are preferably provided on two layers of the matrix tape. In one embodiment, the conductive segments are attached to a film with an adhesive. A barrier tape is preferably provided between the cable core and the matrix tape.

Abstract: The present invention concerns a helically-wound electric cable comprising at least two groups wound together so as to form a group helix, each group comprising at least two twisted-together conductor wires, the pitch of the group helix varying along the helically-wound electric cable in accordance with a sinusoidal function between two limit values having the same sign, characterized in that said sinusoidal function has a determined modulation period (MP) in order to avoid return loss peak (RLp) in the operating frequency range (Fmin-Fmax) of said helically-wound electric cable.

Abstract: An electrical line (1) for motor vehicles which has at least two insulated electrical conductors (4, 5) which are combined to form one unit and, when the line is completely fitted, to which a sensor (3) is connected at one end of said line. The conductors (4, 5) are surrounded by a prefabricated plastic tube (6), and parts (7), which integrally belong to the tube (6), of a fastening device for securing the line (1) at predefined fixed points of a motor vehicle are mounted on the outside of the course of the tube (6), at which fixed points parts of the fastening device which complement the parts (7) of the tube (6) are present.

Abstract: The fixing tool (40) of a wire harness (32) bundling a plurality of cables has a portion (42) for holding the wire harness (32), and two protrusions (44) protruding therefrom. The protrusion (44) includes a stretching portion (46) formed by stretching. Since the length from the base face (48) of the holding portion (42) to the stretching portion (46) is different in different protrusions (44), the timing at which each stretching portion (46) is inserted into a through hole (56) varies and thereby insertion load of the protrusion (44) can be reduced. Consequently, workability of a work for securing the wire harness (32) to a bracket (54) can be improved.

Abstract: A flexible printed wiring board includes a substrate, conductor wirings, a coverlay film, a jumper wiring, and through holes. The conductor wirings are disposed on a first surface of the substrate. The coverlay film covers at least part of the conductor wirings. The jumper wiring electrically connects the conductor wirings to each other. The through holes are formed in the substrate and respectively open to the surfaces of the conductor wirings. The jumper wiring is composed of a hardened material of a conductive paste and is formed so that a second surface of the substrate is continuous with respective surfaces of the conductor wirings which the through holes open.

Abstract: In embodiments, the present invention may attach at least two isolated electronic components to an elastomeric substrate, and arrange an electrical interconnection between the components in a boustrophedonic pattern interconnecting the two isolated electronic components with the electrical interconnection. The elastomeric substrate may then be stretched such that the components separate relative to one another, where the electrical interconnection maintains substantially identical electrical performance characteristics during stretching, and where the stretching may extend the separation distance between the electrical components to many times that of the unstretched distance.

Abstract: An electrically conductive, thermosetting elastomeric composition is provided. The composition may comprise: an initially substantially non-electrically conductive, thermosetting base polymer; a particulate filler comprising electrically conductive particles; and an electrically conductive polymer additive. The non-electrically conductive, thermosetting base polymer, the particulate filler and the electrically conductive polymer additive are mixed substantially macroscopically homogeneously.

Abstract: Provided is a printed circuit board (PCB) with multiple metallic layers and a method of manufacturing the PCB to improve adhesion between a metal film and a polymer film, on which a circuit pattern is formed. The PCB includes: a first metal film; a polymer film formed on one surface of the first metal film; and a second metal film, interposed between the first metal film and the polymer film, having a first surface facing the first metal film and a second surface facing the polymer film, wherein the second surface is rougher than the first surface.

Abstract: To provide a novel multilayer printed wiring board in which a conductor on the outermost resin layer is positioned properly. Furthermore, to provide a novel multilayer printed wiring board in which productivity is enhanced when forming solder bumps on the pads for mounting a semiconductor element. In multilayer printed wiring board, multiple pads for connection with a semiconductor chip are formed on one surface, and on its opposite surface, external connection terminals for connection with another substrate are formed. The pads for connection with a semiconductor chip are formed in the central region of one surface, stiffener is formed in the peripheral region surrounding the pads for connection with a semiconductor chip, pads for connection with a semiconductor chip and stiffener are formed with the same material and are set to be the same height, and the actual area of the stiffener is determined according to the total area of the multiple pads for connection with a semiconductor chip.