Abstract: A scale dissolver fluid for dissolving scale in a subterranean hydrocarbon-bearing formation comprises an effective amount of a scale dissolver formulation and an effective amount of a surfactant for controlling the viscosity of the fluid. In use, formation hydrocarbons act on the surfactant to reduce the viscosity of the fluid so that the fluid selectively invades a hydrocarbon-bearing zone of the formation.

Abstract: A hydraulic sleeve valve is disclosed that comprises a bypass relief system that provides an indication that the valve has reached a predetermined position, such as, for example, the fully opened or fully closed condition. The bypass relief may also provide a valve control fluid circulation function to filter or otherwise manipulate the control fluid. Also disclosed are flow port alignment systems that maintain the valve flow ports in predetermined relationships.

Abstract: The present invention concerns a pressure containment device for use in a lubricator. The device includes a housing having a first main bore extending throughout its length a number of transversal bores intersecting the main bore. Pairs of opposing rams are located in the transversal bores to grip and seal around a cable in the main bore.

Abstract: An embodiment of a blowout preventer system of the present invention includes a mast functionally connected a frame assembly and a carriage functionally connected to the mast. The carriage is adapted to carry and support a blowout preventer in a manner such that the blowout preventer may be moved along an angular path and along a plurality of linear paths. The system may further include a mechanism for rotating the blowout preventer along a first rotational path. The system may further include a mechanism for rotating the blowout preventer along a second rotational path.

Abstract: Apparatus for expanding first and second portions of a downhole tubular in a single trip comprises a support and first and second expansion devices. The first expansion device is mounted on the support and is operable to expand a first portion of tubular. The second expansion device is mounted to a second portion of tubular and is adapted to be engaged by the support following the expansion of the first portion of tubular, and is then used to expand the second portion of tubular.

Abstract: An isolation system for producing oil and gas from one or more formation zones and methods of use are provided comprising one or more pressure activated and tool shiftable valve assemblies. The tool shiftable valve may be actuated before or after actuation of the pressure activated valve.

Abstract: Systems and methods for positively closing off a section of wellbore and, thereby providing reservoir control. Systems and methods are described for selectively closing off a section of a wellbore to fluid communication. The wellbore completion section may then be reopened to fluid communication upon reconnection of the upper completion section to the lower completion section. Advantageously, the systems and methods of the present invention generally preclude fluid communication between the annulus of the upper completion section and the flowbore of the lower completion section until the lower completion section is closed off to fluid flow.

Abstract: A method and apparatus for use in a subterranean well is described. The apparatus typically includes a mandrel and a packing element. The mandrel may have an outer surface and a non-circular cross-section and the packing element may be arranged about the mandrel, the packing element having a non-circular inner surface matching the mandrel outer surface such that concentric rotation between the mandrel and the packing element is precluded. The apparatus may include slips having cavities to facilitate removal of the apparatus. The apparatus also may include a valve for controlling upward fluid flow through a hollow mandrel. The valve may include a flapper having at least one tab to engage at least one recession in the mandrel such that rotation between the mandrel and the valve is precluded when the valve is in a closed position. The apparatus may further include a central member which is releaseably attached to the mandrel by a release mechanism.

Abstract: A portable and adjustable hoof support stand is provided having a large tapered base, a hoof rest having adjustable side restraints, and a height adjustment means by which the height of the hoof rest may be adjusted vertically relative to the ground.

Abstract: Non-reactive test agents may be used to test fire suppression systems in which reactive fire suppression agents may be used to release catalytic fire suppression agents for transport by naturally occurring flows paths downstream to the vicinity of flame holding regions for fire suppression for example, in aircraft.

Abstract: Fires may be detected and suppressed by placing fire detectors proximate natural flow paths from inlets to outlets of a fire zone. The fire detectors may be placed adjacent, and preferably downstream, of regions, along the flow paths, likely to become flame holding regions during fire in the fire zone. The fire may be suppressed, when detected, by catalytic reaction with species released by a reactive fire suppression agent which may be injected into the fire zone, preferably upstream of the potential flame holding regions.

Abstract: An automotive vehicle includes a vehicle body and at least one reservoir containing a fire suppressant agent. A distribution system receives the fire suppression agent from the reservoir and conducts the agent to at least one location about the vehicle's body in response to the determination by a sensor system and controller that the vehicle has been subjected to a significant impact. The reservoir is protected by a thermal protection barrier applied to the reservoir's outer surface, excluding the base of a pyrotechnic propellant.

Abstract: A system and apparatus for extinguishing a fire of a difficult to extinguish fuel or flammable liquid in a storage tank fitted with at least a significant top roof portion, the system including timely discharge of dry powder into a significantly enclosed space or cavity defined between the fuel/liquid surface, or between any floater remaining thereon, and the fixed top roof portion, and apparatus to facilitate the system.

Abstract: A tine raking device includes a frame and a conveyor assembly supported on the frame. The conveyor assembly has a conveyor belt defining perforations sized to allow passage therethrough of granules of sand and to prevent passage therethrough of larger sized debris to be removed from a ground surface. Flexible tines extending outwardly from the conveyor belt. The tines are arranged in rows across a width of the conveyor belt. The rows each are longitudinally spaced from adjacent rows along the conveyor belt such that a generally unimpeded path is defined along an outer surface of the conveyor belt for debris to flow between adjacent tines along an associated row. The conveyor assembly includes a lower section for permitting the tines to contact and remove debris from a ground surface being cleaned, and an inclined section for lifting debris on the conveyor belt away from the ground surface being cleaned.

Abstract: A power hand tool includes a housing containing a motor, a speed changing gear set coupled to the power output end of the motor, a transmission mechanism coupled to the speed changing gear set and partially extending out of the housing for operation by the user to selectively shift the speed changing gear set to one of a series of gearshift positions thereof, a set of index signs marked on the transmission mechanism corresponding to the series of gearshift positions and alternatively moved to a sighthole in the housing subject to the gearshift position of the speed changing gear set, and a light emitting device mounted in the housing adjacent to the sighthole for illuminating one index sign of the transmission mechanism that is in alignment with the sighthole.

Abstract: A hot stick of a type used by electrical lineworkers is equipped with an adaptor, which is mounted to one end of the hot stick. In one contemplated embodiment, the adaptor comprises a connector, which coacts with a connector mounted to the end of the hot stick so as to mount the adaptor to the end of the hot stick, and the adaptor comprises another connector, which is adapted to coact with a connector provided on a tool so as to connect the tool to the adaptor, and with light-emitting diodes for illuminating a tool so connected. In an alternative embodiment, the adaptor comprises a receptacle, which receives the end of the hot stick so as to mount the adaptor to the end of the hot stick, and the adaptor comprises a connector, which is adapted to coact with a connector provided on a tool so as to connect the tool to the adaptor, and with light-emitting diodes for illuminating a tool so connected.

Abstract: A mirrored arc geometrical arrangement of two conductors configured to perform similar functions as a traditional twisted pair of wires is presented. The mirrored arc conductor pair occupies the same physical space required by prior art twisted pair cable designs. Each conductor pair includes two inward-facing arc shaped conductors placed within a dielectric material. Each arc shaped conductor may be constructed from thin foil strips of a conducting metal or from a group of separate bare metal conductors which are placed side by side in intimate contact so as to effectively create the same mirrored arc geometry. The conductor pairs may subsequently be bundled to create a data network cable bundle.

Abstract: A wiring harness is horizontally swingably arranged from the sliding door to a vehicle body. A resilient member arranged at the sliding door energizes the wiring harness toward the vehicle body when the sliding door is fully closed, and energizes to bend the wiring harness when the sliding door is started to be opened. The wiring harness at the sliding door is supported by an oscillation member, and the resilient member energizes the wiring harness toward the vehicle body via the oscillation member. The oscillation member is mounted on a slider, the slider is engaged with a horizontal guiding rail, and the wiring harness is arranged from the slider to the oscillation member. The wiring harness is fixed to a fastening device at the vehicle body side, and the fastening device is arranged obliquely and outwardly against a direction of closing the sliding door. When the sliding door is fully closed, the wiring harness is horizontally supported along an oblong harness guiding member at the sliding door side.

Abstract: A tension-relief cable feed-through for an electrical cable having an external diameter with insulation therearound and having a feed-through sleeve having a passageway therethrough which has an internal thread with an internal diameter having thread turns with indentations therebetween such that when the electrical cable is screwed into the passageway, the thread turns of the internal thread press in a form-closing manner into the outer circumference of the insulation surrounding the electrical cable.

Abstract: A wire cable for transmitting motions inside a control cable sheath, preferably to transmit the motion of a gearshift or selector lever to the transmission of a motor vehicle, is formed by a core and wires placed around it. The core wire is enclosed by multiple helical wires that constitute at least one wire layer. At least one enclosing wire has a larger diameter (b) than the other enclosing wires, so that a wire cable is formed with an out-of-round diameter along the wire.

Abstract: A system and method for routing and segregating cables is provided. An embodiment includes a support member having a plurality of cable trays coupled thereto. The cable trays may be arranged in a tiered-manner such that cable receiving portions of the cable trays extend farther than an adjacent cable tray in a longitudinal direction. Cables may then be routed to individual cable trays, which route the cables to a second location. In this manner, the cables in each cable tray are segregated from cables in other cable trays, thereby reducing the twisting of the cables.

Abstract: A wiring board includes first and second feeding electrodes (2, 3) provided along both sides of an insulating substrate (1), feeding bus lines (4) extending in a traverse direction and connected to both the feeding electrodes, and conductor wirings (6, 8, 12) having one side terminals forming inner leads having protruding electrodes (9, 11, 13) and the other side terminals connected to the feeding bus lines. The inner leads in each unit region are arranged in two lines extending in the traverse direction. The inner leads of a first group are arranged with a dense wiring pitch, and the inner leads of a second group include a dense pitch region in which a wiring pitch is the same as that of the inner leads of the first group, and a sparse pitch region in which a wiring pitch is longer than that of the inner leads of the first group.

Abstract: A printed wiring board including: a first VIA for allowing a second wiring to penetrate the printed wiring board from a front surface to a rear surface of the board; a second VIA for allowing the second wiring to penetrate the board from the rear surface to the front surface; an alignment interval where the first and second wirings are arranged on the front and rear surfaces of the board, respectively, and the first and second wiring are substantially parallel to each other in plan view; a first interval provided between the first VIA and the alignment interval; and a second interval provided between the alignment interval and the second VIA, in each of first and second intervals, the first wiring is formed crookedly such that the first wiring and the second wiring have substantially the same length.

Abstract: A mounting substrate for mounting a semiconductor chip, having a plurality of passive elements which are connected to the semiconductor chip and are formed to be mutually electrically-independent, and a wiring part including a plurality of via plugs respectively independently connected to the plurality of passive elements and pattern wiring connected to the via plugs, wherein the wiring part is constructed so that a state of connection between the semiconductor chip and the plurality of passive elements can be changed by changing the pattern wiring.

Abstract: A component built-in module of the present invention includes: a first wiring pattern; an electronic component mounted on the first wiring pattern; a second wiring pattern; an electrical insulating sheet with the electrical component built therein, the electrical insulating sheet being disposed between the first wiring pattern and the second wiring pattern; and a via conductor formed in a via hole penetrating through the electrical insulating sheet, the via conductor connecting electrically the first wiring pattern and the second wiring pattern. A side face of the via conductor defines a continuous line in an axis direction of the via conductor. Thus, a component built-in module having excellent reliability concerning electrical connection can be provided.

Abstract: A flip chip mounting method for improving the accuracy of positioning of a semiconductor chip and avoiding a short circuit between protruding electrodes even when the protruding electrodes are formed at smaller spacings. The method comprises: placing a semiconductor chip on a wiring board, the semiconductor chip having protruding electrodes formed at a relatively small spacing and at a relatively large spacing, the wiring board having electrode pads corresponding to the respective protruding electrodes and solder pieces formed on the respective pads; heating the semiconductor chip and the wiring board to a temperature at which only the solder pieces on the electrode pads of greater spacing melt; performing self alignment of the semiconductor chip by the melted solder pieces; and heating the semiconductor chip and the wiring board further to a temperature at which the protruding electrodes and the solder pieces on the electrode pads of smaller spacing melt.

Abstract: In a multilayered wiring board constituted by laminating to form pluralities of layers of wiring layers 105, 108, 110 and insulating layers 104, 106, 107, in the plurality of laminated insulating layers 104, 106, 107, the insulating layer 106 disposed at a laminating center in a laminating direction is made to constitute an insulating layer with a reinforcing member including a reinforcing member.

Abstract: The invention concerns a method (600) and systems (200, 400, 500) for shielding at least one electrical component (104) by using a flexible shielding circuit (102). In one arrangement, the method can include the steps of mounting (604) the electrical component on a first portion (202) of the flexible shielding circuit and covering (606) at least one exposed surface of the electrical component with a second portion (204) of the flexible shielding circuit. Additionally, the method can also include the step of selectively securing (608) the second portion to the first portion with a conductive adhesive (206).

Abstract: A method of reducing drilling fluid pressure during subsea drilling, where drilling fluid is pumped down into a borehole and then flows back to a drilling rig via the lined and/or unlined sections of the borehole and a liner, wherein the drilling fluid pressure is controlled by pumping drilling fluid out of the liner at the seabed, and where the liner annulus above the drilling fluid is filled with a riser fluid having a density different from that of the drilling fluid.

Abstract: An underwater drilling rig (1) in modular form, which can be simply assembled underwater and in which standard tubulars and tubular assemblies are stored in a novel arrangement within containers (6) and can be added to, and removed from, the string in the well bore, whilst there is continuous circulation of drilling fluid and also continuous segregation of drilling fluid from the seawater.

Abstract: A pipe handling assembly for transporting pipe sections to and from the drill string of a horizontal boring machine. The system comprises a magazine, a cradle for supporting the magazine, a support member, a drive system, and a transfer assembly. The drive system may move the cradle and the magazine laterally on the support member or may pivot the magazine. The transfer assembly transfers pipe sections between the magazine and the spindle connection area. The magazine and the support frame are disposed above the spindle connection area such that only empty columns of the magazine are outside of the footprint of the boring machine. The magazine may be removed from the cradle when empty or full to continue with the boring operation.

Abstract: The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue resistant, high alloy steel bit body having a PCD cutter element of super hard material and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressures, and reamer means for compensating the effect of bore hole rifling. The invention further involves the method of forming a roof bolting matrix in extremely hard rock formations having a compression strength up to about 50,000 psi using PCD wafers on a high tensile strength steel body coupled by a heavy duty shank through high fatigue resistant reamer means to a high strength drive steel member.

Abstract: The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue-resistant, high alloy steel bit body having a PCD cutter member and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressures, and reamer means for compensating the effect of bore hole rifling. The invention further involves the method of forming a roof bolting matrix in extremely hard rock formations having a compression strength up to about 50,000 psi using PCD wafers on a high tensile strength steel body coupled by a heavy duty shank through high fatigue-resistant reamer means to a high strength drive steel member.

Abstract: Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.

Abstract: A continuous open discharge vacuum chamber for gravity feeding drill cuttings extracted from a cuttings source by vacuum and depositing them by gravity into a fluid. Embodiments include means for removing and recovery of drilling fluids, sizing the cuttings and relieving choke points and blockages.

Abstract: An improved cuttings system located adjacent a drilling rig's shale shaker system utilizing a vacuum collection/gravity fed processing system, thereby eliminating expensive and complicated cuttings transfer systems. The use of a vacuum cuttings collection system combined within a common fluid-filled open tank and submersible grinding pumps eliminate the need for extensive circulating and holding systems. Cuttings are sized and chemically prepared within the same tank and fed directly to an injection pump for discharge to cuttings transport tanks or injected down hole. Other improvements include non-restrictive cuttings sizing, filtering, and an injection pump cuttings relief system.

Abstract: The invention is an rotary steerable tool. The improved rotary steerable tool comprises a control tube that slides vertical within a mandrel in response to changes in drilling fluid pressure, thereby opening and closing a channel between the mandrel and a piston chamber in a rotationally isolated sleeve. With the channel open, a piston in the piston chamber is exposed to the drilling fluid. When the drilling pressure is sufficient to cause the piston to move, the piston forces a deflection pad outward. After the deflection pad engages a borehole wall, any additional increases in pressure force the opposing side of sleeve toward the opposite wall, thereby tilting the direction of any attached drill bit. An optional guide lug and alignment sleeve orient the deflection pad with respect to other components.

Abstract: In one aspect of the present invention a downhole tool string has a rotor secured within a bore and connected to a jack element that is substantially coaxial with the rotor. A portion of the jack element extends out of an opening formed in a working face of a drill bit located at the bottom of the drill string. The jack element is adapted to rotate independent of the drill bit when the rotor and drill bit are in operation.

Abstract: The present invention provides a cutting element having a cylindrical body having a canted end face on which is formed an ultra hard material layer and to a bit incorporating such cutting element. One or a plurality of transition layers may be provided between the ultra hard material layer and the cutting element body.

Abstract: A packaging machine and a weighing apparatus low in equipment cost, small in installation space, and allowing a reduction in time required from the manufacture of packaged bodies to the completion of weighing to increase productivity. The stick packaged bodies are weighed by a weighing load cell in the housing of the stick packaging machine. Accordingly, the stick packaged bodies must not be fed to a weighing stage apart from the packaging machine by a belt conveyor. Therefore, the equipment cost can be reduced, and the installation space for the stick packaged bodies including peripheral equipment can also be reduced. In addition, the productivity can be increased since the time required for the stick packaged bodies to pass a weighing requirement to be formed in products is shortened.

Abstract: A weighing section includes a plurality of weighing members and a power supply mechanism. The weighing members weigh an object while moving. The power supply mechanism includes a fixed section, a rotatable section moving along the movement of the weighing members, a primary coil provided on the fixed section, and a secondary coil provided on the rotatable section. The power supply mechanism supplies power to the primary coil, retrieves an induced electromotive force from the secondary coil, and supplies power to the weighing members.

Abstract: In electric vehicle control, system voltage stabilization control is executed to reduce the difference between a target value and detected value of a system voltage generated by a voltage boosting converter for an AC motor. Further, conversion power control is executed to reduce the difference between a command value and detected value of the conversion power, which is defined as the output power of the voltage boosting converter. Thus, variations in a system voltage caused by an error or the conversion power control can be reduced.

Abstract: A traveling robot includes a main body frame having a front wheel supported in a front portion thereof in a traveling direction, a first traveling part having a first driving wheel to drive in the traveling direction, a first rear wheel disposed in a rear side of the first driving wheel, and a first wheel frame to support the first driving wheel and the first rear wheel, a second traveling part having a second driving wheel to drive in the traveling direction independently from the first driving wheel, a second rear wheel disposed in a rear side of the second driving wheel, and a second wheel frame to support the second driving wheel and the second rear wheel, a first interlocking hinge part to rotatably support the first wheel frame to the main body frame to have a hinge axis of a perpendicular direction with respect to the traveling direction, and a second interlocking hinge part to rotatably support the second wheel frame to the main body frame independently from the first interlocking hinge part to have a

Abstract: The present invention relates to a power feeding arrangement for electric loads (R) positioned in tires (20) of vehicles. According to the invention the arrangement comprises at least one feed coil (Lf) arranged in the vehicle (10), at least one receiver coil (Lr) arranged in the tire (20), and at least one load (R) electrically coupled to the receiver coil (Lr).

Abstract: A high-voltage harness routing structure includes: a subframe; a driving power unit; an electric power distribution unit; an electrical auxiliary unit arranged to cause the driving power unit to be sandwiched between the electric power distribution unit and the electrical auxiliary unit; and a high voltage harness connecting the electric power distribution unit with the electrical auxiliary unit in a routing path. In this routing path, the high voltage harness drops from the electric power distribution unit toward the subframe and then extends along the subframe in a vehicle-width direction. The high-voltage harness routing structure further includes a driving power unit mount including a mount main body arranged apart from the subframe to form a space between the mount main body and the subframe; and a protector that covers at least a high-voltage harness's portion extending along the subframe in the vehicle-width direction and interfering with the driving power unit mount.

Abstract: A solid oxide fuel cell system including electric resistance elements for heating of space and components within the “hot zone” enclosure of the system, preferably in combination with means for using “waste” heat from other sources, to assist in warm-up from a cold start and/or to maintain a stand-by temperature of reformer and fuel cell elements within the system and/or to maintain optimum operating temperatures within the system during periods of very low electrical demand on the system. A method is included for using off-peak grid electricity, battery-stored onboard electricity, or vehicle-generated electricity to energize the resistance heaters, as well as utilizing gaseous waste heat sources such as vehicle exhaust gas to complement the resistance heating.

Abstract: An engine system for a motor vehicle combines a battery-powered system with an internal combustion system so that, at low speeds, the battery-powered system is used to drive the vehicle while at high speeds the internal combustion engine drives the vehicle. The battery-powered system includes a flywheel.

Abstract: A control system for a hybrid vehicle, in which an engine is connected to a first motor generator and to an output shaft through a power distributing mechanism (12), in which a second motor generator is connected to the output shaft through a transmission (6) wherein a torque capacity is varied in accordance with an oil pressure, and which has an electric oil pump (OPM) for generating an oil pressure, comprising: an oil pressure judging means for judging whether or not the oil pressure established by operating OPM is raised higher than a preset value; an electric oil pump output lowering device for lowering an output of OPM in case the oil pressure judging device judges that the oil pressure is raised higher than the preset value; and a cranking device for carrying out a cranking of E/G by the first motor generator.

Abstract: A battery quick-release structure for an electric mobility scooter includes a chassis, a battery case, hasps, retainers, connection rods, a handle, and elastic members. The battery case is mounted on the chassis. The retainers are disposed on the chassis. The battery case is provided with the hasps. The hasps are pivotally connected to the connection rods. The connection rods are connected to the handle. Both ends of each elastic member are respectively connected to the hasp and the battery case. The hasps are normally locked to the retainers. The battery case is released for portability by pulling up the handle for the connection rods are to free the hasps from the retainers.

Abstract: The present invention is a clip-in-place screening device for an automotive, industrial, or agricultural vehicle that is used to filter out insects and other debris from the fins of air conditioner condensers, coolers, and air-charge coolers placed in front of radiators.