Abstract: A process for producing mineral oil from mineral oil deposits by injecting aqueous flooding media into a mineral oil formation through injection boreholes and withdrawing the mineral oil through production boreholes, wherein the process comprises several cycles of process steps in which oil-mobilizing microorganisms and flooding water are injected alternately into the deposit. Processes in which highly permeable regions of the mineral oil formation are additionally blocked.

Abstract: A method of communication comprising: providing a string of a plurality of connected components (2,3,5,6,7), one or more vessels running along the string to form a continuous fluid path (13); incorporating a device (3) into the string so that the device is in communication with the fluid path; inserting the string into a borehole (18) so that the device is located below a surface into which the borehole is formed and the fluid path extends from the surface to the device; providing a pressure sensor at the surface, adapted to sense the pressure of the fluid in the fluid path; filling it with a pressurised fluid; over a communication period, venting fluid, under the control of the device, from the fluid path (13) to an exterior of the string (17) at the device on occasions, so that the resulting decrease in pressure in the fluid in the fluid path can be detected by the pressure sensor; and during the communication period introducing fluid into the fluid path at a rate below 30 gallons/minute [0.113 m3/minute].

Abstract: A method for logging slick water hydraulic frac well includes the steps of: Perforating the well bore; Pumping fresh water into the reservoir; Running a high resistivity measurement tool down the hole to measure the resistance of the reservoir at selected intervals along the hole; Logging the resistance measurements; and Comparing the resistance of the reservoir strata with the resistance of the fresh water pumped into the reservoir to map the fracture. It is desirable but not necessary to run a high resistivity tool down the hole prior to the perforation step and measure the resistance of the reservoir to provide base line logging data, whereby the base line logging data may be compared with the water frac logging resistance measurements.

Abstract: A technique includes running a lower completion assembly into a well in a single trip. The lower completion assembly includes a screen, a first valve and a second valve. The technique includes performing a gravel packing operation using the lower completion assembly, where performing the gravel packing operation includes running a service assembly into the lower completion assembly to operate the first valve. The technique further includes removing the service assembly from the well and subsequently installing an upper completion assembly in the well. The installation of the upper completion assembly enables remote control of the second valve of the lower completion assembly for purposes of regulating the production of fluid from the well.

Abstract: A method for fracture stimulation of a subterranean formation having a wellbore. The method comprise a series of steps. A slurry is injected into the wellbore at sufficiently high rates and pressures such that the formation fails and fractures to accept the slurry. The slurry comprises a fluid and a proppant, wherein said proppant comprises a styrene-ethylvinylbenzene-divinylbenzene terpolymer composition having a substantially cured polymer network, wherein said composition lacks rigid fillers or nanofillers. The proppant is emplaced within the fracture network in a packed mass or a partial monolayer of the proppant within the fracture, wherein the packed mass or partial monolayer props open the fracture; thereby allowing produced gases, fluids, or mixtures thereof, to flow towards the wellbore.

Abstract: A system and method of plugging a well bore includes intersecting a portion of a well with a subterranean cavern. A portion of the well may be isolated to prevent accumulation of reservoir fluids in the subterranean cavern by, for example, inserting a packer in the well to form a seal. A sealing material may be pumped into and allowed of solidify in the portion of the well to form a partition between the subterranean cavern and the remainder of the well. The formed partition permits continued production from the well and continued mining in the subterranean cavern.

Abstract: A method for fluid treatment of a borehole including a main wellbore, a first wellbore leg extending from the main wellbore and a second wellbore leg extending from the main wellbore, the method includes: running a wellbore tubing string apparatus into the first wellbore leg; conveying a plug into the wellbore tubing string apparatus to actuate a plug-actuated sleeve in the wellbore tubing string apparatus to open a port through the wall of the wellbore tubing string apparatus covered by the sleeve; employing a plug retainer to retain the plug in the tubing string against passing outwardly from the tubing string apparatus; allowing fluids to flow toward surface outwardly from the tubing string apparatus; and performing operations in the second wellbore leg.

Abstract: A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof, and placing the cement composition in the wellbore. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag.

Abstract: A method for providing a torch apparatus into a well bore for providing heat to a material that includes the step of inserting the torch apparatus into the well bore, such that a plurality of slots along the torch apparatus are oriented to provide the heat and a source of oxygen to the material. The method further includes igniting a fuel load of the torch apparatus to provide the heat and the source of oxygen through the plurality of slots to the material so that the portion of the material is at least partially consumed. The interstitial spaces between the plurality of slots allow longitudinal flow of heat and the source of oxygen along the torch apparatus without interfering with the flow of heat and the source of oxygen through the slots.

Abstract: A cartridge assembly for use with a perforating system having a contact terminal that connects to a perforating signal line when inserted into a receptacle end of a perforating gun. A detonator may be included in an end of the cartridge assembly for initiating a detonating cord in the perforating gun. The cartridge assembly is a modular unit that replaces the manual connections made when assembling a string of perforating guns. The cartridge assembly may optionally include a controller switch for controlling current flow through the cartridge assembly.

Abstract: A device is provided for delivering and distributing injection fluids into a subsurface formation from a horizontal wellbore. The device includes one or more steam pups having an outer sleeve and an inner sliding sleeve in concentric relationship. One or more sets of nozzles are arranged on the outer sleeve. A means is provided for actuating movement of the inner sliding sleeve within the outer sleeve, to at least partially cover one or more sets of nozzles on the outer sleeve. A method is also provided for delivering injection fluids into a subsurface formation from a horizontal wellbore. First, one or more steam pups are introduced into the horizontal well, said steam pups having an outer sleeve and an inner sliding sleeve with one or more sets of nozzles arranged on the outer sleeve. Next the inner sliding sleeve is moved inside the outer sleeve to at least partially cover one or more sets of nozzles on the outer sleeve. Finally, injection fluid is injected through the steam pup nozzles into formation.

Abstract: Methods and systems are provided for extracting ge?thermal heat from neighboring or proximate/ones in a fractured rock formation. The extraction of heat may be performed by cycling between injection and production using separate wells for each zone and offsetting the injection-production cycles between neighboring zones, for example, by keeping the injection-production cycle;* for neighboring zones out of phase with each other. The techniques provide for improved heal recover}’ from rock volumes while decreasing the size of buffer/ones between neighboring/ones, her example, in exemplary embodiments of the present techniques, proximate zones may be within 1000 meters, or even less, of each other. Accordingly, the zones do not have to be totally isolated from each other. The methods and systems described herein may help to impede cross-flow between the zones while minimizing waste heat (and well separation) from unutilized rock layers left between wells.

Abstract: A water flooding composition in a method of secondary hydrocarbon recovery. The water flooding composition includes water and a thickening polymer. The thickening polymer includes a hydroxyethyl cellulose backbone polymer having a molecular weight of between about 1,000,000 and about 2,000,000 and a hydrophobic modifier. The hydrophobic modifier has a substitution level in the thickening polymer of between about 0.1 percent and about 2 percent by weight of the thickening polymer. The hydrophobic modifier is an alkyl hydrocarbon based material containing between about 10 and about 24 unsubstituted carbon atoms per group. The thickening polymer has a concentration in the water flooding composition of between about 0.01 percent and about 1 percent by weight of the water flooding composition. The water flooding composition is formulated within these ranges so that the water flooding composition has a suitable viscosity/mobility and so that the water flooding composition is injectable.

Abstract: A compact and transportable installation, which is quick to start up and is independent, which allows for dissolution of at high concentration, in very short periods of time, substantial quantities of polyacrylamide powder and which is designed to be used in fracturing operations on gas or oil fields, is provided. The installation successively includes a polymer storage area, a vertical polymer transfer hopper, a supply overflow pipe, a polymer dosing system fed by the pipe, a polymer slicing unit (PSU) type polymer dispersion device, a tank for storage and degassing of polymer in solution, and a volumetric pump to inject and dose the solution of polymer obtained at a suction of a high pressure pump enabling the fracturing operations.

Abstract: A method of mitigating corrosion of downhole articles includes mixing a plurality of nanoparticles into a first downhole fluid to form a nanoparticle fluid. The method also includes exposing a surface of a downhole article in a wellbore to the nanoparticle fluid. The method further includes disposing a barrier layer comprising a portion of the nanoparticles on the surface of the article and exposing the surface of the downhole article to a second downhole fluid, wherein the barrier layer is disposed between the second downhole fluid and the surface of the article.

Abstract: A connecting device for mating and connection on the sea bed of first and second pipelines having first and second pipe ends at the connection point, is shown. The connecting device includes a first connecting part retaining the first end; a second submersible connecting part retaining the second end and a connector arranged between the connecting parts for final connection between the pipe ends. A guiding device engages with a guiding structure during a lowering motion of the second connecting part towards the first connecting part and pivots the second connecting part into coarse alignment of the second pipe end in a direction towards the first pipe end such that the first and second pipelines are brought to align with each other. An adjacent ramp structure with abutment surfaces and a guiding mechanism cooperate with the second connecting part and contribute to fine alignment of the pipe ends.

Abstract: A subsea pumping system using a subsea module is installed on the sea bed, preferably away from production wells and intended to pump hydrocarbons having a high associated gas fraction produced by subsea production wells to the surface. The system achieves an advantage by the design of a pumping module (PM) which is linked to pumping equipment already present in a production well and which includes: an inlet pipe (2), separator equipment (3), a first pump (4) and a second pump (8). Another advantage of the subsea pumping system for the production of hydrocarbons with a high gas fraction is that, when oil is pumped from the production well (P), the well pump (13) increases the energy of the fluid in the form of pressure and transmits this increase in energy in the form of an increase in suction pressure in the second pump (8) of the subsea module (PM).

Abstract: A subsea connection apparatus to allow connecting a surface blowout preventer stack and riser to a subsea wellhead is disclosed. The subsea connection apparatus uses a single cavity blowout preventer with a set of shearing blind rams. Hydraulically actuated wellhead connectors are secured to the top and bottom of the blowout preventer to allow connection to a subsea wellhead below the subsea connection apparatus and a well head hub profile on the lower end of a riser above the apparatus. A control system can operate both of the hydraulically actuated connectors and the blowout preventer independently. A frangible bore protector is disposed in the bore of the blowout preventer to protect the shearing blind rams from pipe, tools, and fluids being passed through the blowout preventer and can be sheared by the shearing blind rams along with any drill pipe in the bore.

Abstract: A system for performing a downhole operation within a well during a production phase of the well includes a tubing string extending from a surface of the well to the downhole location. A lift system is positioned at the surface and is operably connected to the tubing string to axially lift and lower the tubing string, following positioning of the tubing string within the well, each time a substantial reduction in production gas flow and production liquid flow at a portion of the well is desired.

Abstract: According to an embodiment, a method of maintaining a hydrostatic pressure exerted on a wall of a wellbore in at least a first interval and a second interval of the wellbore, comprises the steps of: flowing a liquid through at least a first pressure regulator and a second pressure regulator, wherein the first pressure regulator is located in the first interval of the wellbore, wherein the second pressure regulator is located in the second interval of the wellbore, and wherein each of the first and second pressure regulators regulates the amount of pressure exerted by the liquid on the wall of the wellbore; and maintaining the amount of pressure for a specific period of time.

Abstract: A downhole tool including a cam housing disposed in a central bore of a sub; a cam piston having a cam track disposed in the cam housing; a rotary piston having a rotary value and an auxiliary track disposed in the cam housing; a guide pin extending through the cam housing into the cam track; and a position pin extending through a cam flange into the auxiliary track. Also, a method of actuating a downhole tool, the method including disposing the downhole tool in a wellbore, wherein the downhole tool comprises a cam piston and a rotary piston; providing a flow of fluid through a central bore of the downhole tool at a working flow rate; changing the flow of fluid through the central bore of the downhole tool to a trigger range, thereby rotating a rotary valve of the rotary piston.

Abstract: A method of actuating multiple valves in a well can include applying one or more pressure cycles to the valves without causing actuation of any of the valves, and then reducing pressure applied to the valves, thereby resetting a pressure cycle-responsive actuator of each valve. A pressure cycle-operated valve for use in a well can include a closure member, a piston which displaces in response to pressure applied to the valve, and a ratchet mechanism which controls relative displacement between the piston and the closure member. The ratchet mechanism may permit relative displacement while one or more pressure cycles are applied to the valve, and the ratchet mechanism may prevent relative displacement in response to a pressure sequence of: a) a reduction in pressure applied to the valve, b) a predetermined number of pressure cycles applied to the valve, and c) an increase in pressure applied to the valve.

Abstract: A regulation mechanism configured to automatically close off fluid flow through a line based on flow rate exceeding a predetermined level. This mechanism may be particularly beneficial when employed in conjunction with downhole chemical injection systems that are directed at well locations prone to becoming low pressure in nature. That is, in a conventional system, once the inherent pressure at the downhole end of an injection line exceeds that of the adjacent downhole environment, the flow rate of the column of fluid in the line may naturally increase as chemical is unintentionally emptied into the well. However, use of embodiments of the flow-based regulation mechanism detailed herein may near-automatically prevent such undesirable emptying of chemical into a low pressure well.

Abstract: An actuator or valve for use in a well comprising: an obstructing member, such as a piston, moveable between: a first position and a second position; and a retaining member, such as a ball, moveable between: a retaining position which retains the obstructing member in the first position; and, a release position which does not retain the obstructing member in the first position and/or allows or causes the obstructing member to move to the second position; wherein the retaining member is adapted to move in use, from one of the retaining position and release position to the other of the retaining position and release position, at least in part, by centrifugal forces caused by rotation of the actuator/valve. Thus at least some control of the actuation of the actuator/valve may be afforded by rotation thereof. In preferred embodiments some control is also afforded by fluid flow contacting the actuator/valve.

Abstract: A method, system and apparatus is provided for a partially retrievable safety valve to control a well. The method includes securing a normally closed valve in the well. The valve may be a self-equalizing flapper valve. Following this, an actuator system operable to open the valve is run into the well. The actuator system is removable from the well while the valve remains closed and secured in the well. A submersible pump and motor may be secured to the actuator system before the actuator system is run into the well. The submersible pump and motor are also removable from the well while the valve remains closed and secured in the well. Therefore the actuator system, submersible pump and motor can be replaced or redressed, while the valve remains closed, keeping the well under control at all times.

Abstract: A method and device for deploying a cable and an apparatus in a ground formation having a motherbore, wherein the method comprises positioning a non-rotating drill pipe, a cable and an apparatus in a motherbore tubular; and drilling a lateral opening relatively the motherbore by displacing the drill pipe into the formation with the cable and apparatus attached.

Abstract: A hoof-pick is an equine tool resembling a screwdriver with a bent blade. It is used to “pick-out” or clean and examine the sole of a horse's hoof. The hoof-pick can be either a curved hook style or standard bent or “spade” blade. An illuminating hoof-pick has a LED (light emitting diode) built into the rubber or molded plastic handle. The LED wiring and resistor is housed in a protective tube built into the underside of the molded handle. One wire in the assembly goes to the contact spring; the other to a conducting battery tube on the contact board. The LED is activated by a push button on-off switch and powered by a “AAA” battery. The technology is basically the same as a flashlight. The LED light would be mounted on the base of the hook. This position would illuminate the proper area to be cleaned or examined.

Abstract: A multi-stage fire suppression system according to various aspects of the present invention is configured to deliver a fire suppressant material in response to multiple detections of a fire condition over time. In one embodiment, the multi-stage fire suppression system comprises at least two pressure tubes each having a different internal pressure. Each pressure tube is adapted to generate a pneumatic signal in response to exposure to a different trigger event. The pneumatic signal is used to activate a suppression system and release the fire suppressant material from a container. The multi-stage fire suppression system may also be configured to signal a secondary hazard detection system that a fire has been detected.

Abstract: An engine speed control device is adapted to control a motor grader including a transmission with a plurality of manually shiftable low speed stages and at least one high speed stage, the transmission being configured to switch between a manual mode for manually selecting one of all the speed stages and an automatic shifting mode for automatically shifting a predetermined speed stage and higher. The engine speed control device includes an upper limit engine speed control unit configured to set an upper limit engine speed to be an out-of-service travelling-use upper limit engine speed at the at least one high speed stage, and set the upper limit engine speed to be a working-use upper limit engine speed at any one of the low speed stages, the working-use upper limit engine speed being lower than the out-of-service travelling-use upper limit engine speed.

Abstract: According to an aspect of the present invention, there is provided an impact tool including: a motor; a hammer connected to an output portion of the motor; and an anvil to be struck by the hammer in a rotation direction and having a rotary shaft, the hammer striking the anvil in the rotation direction by driving the motor in pulses, wherein the anvil is provided in front of the hammer, wherein the hammer is driven in pulses by the motor, and wherein a rotation angle of the hammer is substantially proportional to a rotation angle of the motor.

Abstract: An electrical connection box includes an insulating plate made of resin that supports an input load applied on a connection terminal to be connected to an electrical part. The insulating plate is contained between upper and lower cases and provided with a honeycomb structure portion penetrating through the insulating plate in a plate thickness direction. It thus becomes possible to provide an electrical connection box of a novel structure provided with an insulating plate not only ensuring strength with a smaller amount of resin but also capable of enhancing heat dissipation.

Abstract: A universal type of electrical work box is mountable to studs for new work, or for old work whether stud-mounted or not. For mounting to studs, fastener blocks guide fasteners at an angle from the interior of the box. Alternatively, slide-in fastener plates which have integral fastener blocks can be used Optional recessed break-away flanges are provided to properly space the open end of the box from the front of a stud for new work use Flanges mounted flush with the open face of the box are used for old work whether stud mounted or not. When a box is to be mounted on wallboard or any wall covering away from a stud, rotating wings rotate 90 degrees away from the box wall and sandwich the wallboard between the tightened wings and the flush flanges are used.

Abstract: Provided are: a cable duct (20) that routes cables (9a, 9b) connected to units (7, 7) provided inside an electronic device (1a); and another cable duct (20) that is placed on another electronic device (1b) positioned adjacent to the electronic device (1a) and that routes the cables (9a, 9b) routed from the cable duct (20) of the electronic device (1a) to the electronic device (1b). Thus, it is possible to optimize the lengths of the cables connecting the electronic devices (1a, 1b) together and to arrange cables (9a to 9d) connecting the units (7, 7) while dispersing the cables in two directions.

Abstract: A flexible flat cable includes a plurality of conductors, a nonwoven fabric layer provided on an outer surface of an insulation layer, and a shield layer provided on the nonwoven fabric layer. The nonwoven fabric layer includes a nonwoven fabric having a plurality of recessed portions formed on a surface thereof, the recessed portions being each enclosed by two opposite long sides and two opposite short sides, and the nonwoven fabric has an embossed shape which satisfies the following relation: 2d<b<2a<c where the long sides of the recessed portions are a[mm] in length, the short sides of the recessed portions are d[mm] in length, a center-to-center distance between the adjacent recessed portions parallel arranged in a direction of the short sides is c[mm], and a center-to-center distance between the adjacent recessed portions parallel arranged in a direction of the long sides is b[mm].

Abstract: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.

Abstract: A tower barrel for wind electric power generation includes a barrel wall for supporting a wind turbine generator system, a torsion cable direction-changing device which is placed in the tower barrel and fixed on the barrel wall for holding the cable from the wind turbine generator system and restraining the torsion of the cable, and cable clamps which are placed under the torsion cable direction-changing device and connected to the barrel wall for securing the cable. The torsion cable direction-changing device includes a beam and two supports for the beam, the supports are fixed on the barrel wall. The torsion cable direction-changing device in the tower barrel improves the safety of the cable, and so improves the safety of the wind turbine generator system.

Abstract: An electrical power transmission system includes electrical insulators arranged to electrically isolate live power lines. Surface reconditioning units are incorporated or integrated in the insulator structures. A sensor arrangement determines surface conditions of the electrical insulators in use to isolate live power lines. In response, the surface reconditioning units automatically recondition the surfaces of the in-service electrical insulators if appropriate for maintaining the electrical insulators in healthy state.

Abstract: The present invention concerns a printed circuit board, PCB. The PCB comprises a number of signal layers comprising routing channels and at least one ground layer being adjacent to at least one signal layer. A number of via holes connects different signal layers of the PCB. In the signal layers the via holes are connected to pads and in the ground layers they are be surrounded by anti-pads. The pads are shaped such that at least a part of a via hole connected to the pad is on the outside of, or in close proximity to, the edge of the pad, irrespective of where on the pad the centre of the via hole is positioned.

Abstract: The present invention relates to a printed circuit board. A heat radiation coating material is applied to a portion of a circuit layer formed on an outermost portion of the printed circuit board, thereby making it possible to improve heat radiation performance of the printed circuit board. The heat radiation coating material also serves as a solder resist, thereby making it possible to insulate and protect the printed circuit board without a separate solder resist.

Abstract: The present invention has an object of obtaining excellent anti-noise performance and a high level of flexibility in a flexible circuit board. A flexible circuit board 13 according to the present invention has a flexible insulating base material 21, a plurality of wiring patterns 22 formed at prescribed intervals on one surface 21a of the insulating base material 21, and a conductive layer 23 formed on the other surface 21b of the insulating base material 21. The conductive layer 23 is disposed so as to overlap first wiring patterns 22A, which is a select set among the plurality of wiring patterns 22, and does not overlap all of the wiring patterns 22.

Abstract: There are provided a substrate for printed wiring excellent in light transmission property, heat resistance, mechanical strength and resistance to thermal coloration; a printed wiring laminate; and a resin composition used to produce the substrate and the laminate. The substrate for printed wiring comprises an aromatic polyether-typed polymer having a glass transition temperature, as measured by differential scanning calorimetry (DSC, heating rate: 20° C./minute), of from 230° C. to 350° C.

Abstract: A conduction element includes a substrate which has a first wave surface and a second wave surface, and a laminate film which is formed on the first wave surface and where two or more layers are laminated, where the laminate film forms a conduction pattern, and the first wave surface and the second wave surface satisfy a relationship below. 0?(Am1/?m1)<(Am2/?m2)?1.

Abstract: A surface treating agent containing a novel phenylnaphthylimidazole compound represented by the following formula is brought into contact with the surface of copper or a copper alloy. In the formula, when A1 is a phenyl group, then A2 represents a 1-naphthyl group or a 2-naphthyl group, and when A1 is a 1-naphthyl group or a 2-naphthyl group, then A2 represents a phenyl group; and R represents a hydrogen atom or a methyl group.

Abstract: A printed wiring board including a core substrate having a metal layer, a first resin insulation layer on a surface of the metal layer and a second resin insulation layer on the opposite surface of the metal layer, a first conductive circuit formed on the first layer, a second conductive circuit formed on the second layer, and a through-hole conductor formed in a penetrating hole through the substrate and connecting the first and second circuits. The metal layer has an opening filled with a filler resin, the penetrating hole has a first opening in the first layer, a second opening in the second layer and a third opening in the filler resin, the first opening tapers toward the filler resin, the second opening tapers toward the filler resin, and the third opening is connecting the first and second openings.

Abstract: An electronic apparatus includes: a circuit board on which an electronic component is mounted; a first insulation sheet arranged on the circuit board; a second insulation sheet superimposed on the first insulation sheet and bonded to the first insulation sheet; and a lead wire wired between the first insulation sheet and the second insulation sheet. The first insulation sheet and the second insulation sheet are bonded together in a region where the wiring of the lead wire is prohibited.

Abstract: A printed circuit board including: an insulation layer; a first circuit pattern formed over one surface of the insulation layer, the first circuit pattern having a side thereof slanted with respect to the insulation layer; and a second circuit pattern formed over the other surface of the insulation layer, the second circuit pattern having a side thereof slanted with respect to the insulation layer, wherein the side of the second circuit pattern is less slanted than the side of the first circuit pattern.

Abstract: A method for manufacturing a printed wiring board, in which filled vias with a reduction in faulty connections are formed, and providing such a printed wiring board. After an electroless plated film is formed on an inner wall of a via opening, electrolytic plating is performed on insulative resin base material; the via opening is filled with plating metal and a filled via is formed. Therefore, during electrolytic plating, a plating metal is deposited from electroless plated film on the side wall of the via opening as well as from the bottom of the via opening. As a result, the via opening may be completely filled through electrolytic plating, forming a filled via with a reduction in faulty connections.

Abstract: A three-conductor cable includes three cables disposed in a triangular form in a cross sectional view thereof, and a first refrigerant path at a cable center portion surrounded by the three cables along a longitudinal direction of the three cables for flowing a refrigerant for cooling the three cables therethrough. The first refrigerant path is formed along a part of each of the three cables in a cross sectional view thereof.

Abstract: Provided is an anticorrosive that has an excellent coating property and excellent anticorrosive capability compared with a conventional anticorrosive. The anticorrosive mainly contains a thermoplastic polyamide resin, and has a tensile lap-shear strength of lapped aluminums of 6 N/mm2 or more, which is measured in accordance with the JIS K6850, an elongation of 100% or more, which is measured in accordance with the ASTM D-1708, and a water absorption of 1.0% or less, which is measured in accordance with the JIS K7209. The anticorrosive is capable of being applied to an electrically connected portion between a wire conductor 18 of a coated electric wire 10 with a terminal and a terminal member 14.

Abstract: A splice carrier has a first end and a second end and a sleeve portion located at the first end. The splice carrier also includes a body portion extending between the first end and the second end and including one or more grooves disposed therein. The one of the grooves includes a receiving area configured to receive a mechanical splice.