Abstract: A method for use within a subterranean formation penetrated by a wellbore includes introducing a thixotropic agent into the well and introducing a cement slurry into the well. The method includes forming a thixotropic cement slurry downhole, including mixing the cement slurry and the thixotropic agent downhole.

Abstract: Of the many assemblies and methods provided herein, one assembly includes a conduit adapted for installation in a well bore in a subterranean formation; one or more fluid jet forming nozzles disposed about the conduit; and one or more windows formed in the conduit and adapted to selectively allow a flow of a fluid through at least one of the one or more fluid jet forming nozzles. Another assembly provided herein includes a conduit adapted for installation in a well bore in a subterranean formation; one or more fluid jet forming nozzles disposed about the conduit; a fluid delivery tool disposed within the conduit, wherein the fluid delivery tool is operable to move along the conduit; a straddle assembly operable to substantially isolate the fluid delivery tool from an annulus formed between the fluid delivery tool and the conduit; and wherein the conduit comprises one or more permeable liners.

Abstract: A system, apparatus and method for abrasive jet fluid cutting. An abrasive jet fluid cutting nozzle assembly comprises a hose 49 for receiving an abrasive jet cutting fluid; a helix/spring 40 rotatably attached inside the high pressure hose 49; and a nozzle 46 connected to the hose 49. The helix/spring 40 is tapered such that the turn ratio of the helix 40 varies from the proximate end to the distal end. The rotation of the helix 40 creates a vortex and increases the pressure of an abrasive jet cutting fluid as it passes from the proximate end to the distal end. The disclosed subject matter further includes a system and method for using the abrasive jet fluid cutting nozzle assembly.

Abstract: Methods that include a method comprising providing a hydrocarbon-acid emulsion composition that comprises an acid phase, a hydrocarbon blend phase, and an emulsifying agent; and placing the hydrocarbon-acid emulsion composition in a subterranean formation. In some embodiments, the hydrocarbon blend phase comprises at least about 65% hydrocarbons having from six carbons (C6) through eleven carbons (C11). In other embodiments, the hydrocarbon blend phase has a flash point greater than about 100° F. Additional methods are also provided.

Abstract: A new well system and a corresponding method for the production of fluids from the well is presented. The well system and production process taught herein presents the means to use larger cross sectional flow areas for well fluid production by injecting energized gas and chemicals into the well.

Abstract: A method for installing a subsea flowline and riser assembly on a sea floor includes providing a flowline having an axis and an end connected to a hinge-over joint, and a riser having an axis and an end connected to the joint such that the axes of the riser and flowline extend substantially parallel. An end of the flowline opposite the joint is lowered to the sea floor. The end of the flowline connected to the joint is lowered to the sea floor. The joint is connected to a foundation that is installed in the sea floor. The riser is rotated about the hinge-over joint such that the riser axis is substantially perpendicular to the flowline axis. A subsea jumper is connected between an opening formed in the flowline and an opening formed in the riser so that the riser is in fluid communication with the flowline.

Abstract: In an underbalanced or overbalanced completion, the packer that isolates a portion of the wellbore is preferably a composite mechanically set bridge plug. The composite materials are selected to expedite mill out the plug. A coring mill envelopes the plug as it cuts away the grip of the slips. Internal uphole oriented wickers inside the coring mill grab hold of it before the slip grip is lost to capture the plug in the coring mill. The liner string is rotated to operate the mill or alternatively a downhole motor can be used to run the coring mill. After the bridge plug is milled to a release and capture position, the liner string that can be slotted liner or screen or other tubular is advanced into position further down the usually deviated wellbore.

Abstract: This invention is intended to be a mounted fire extinguishing system for all types of vehicles, but generally in areas such as brake shoe/wheel seal, engine compartment or other areas of high heat and friction. The system has a metal tank (1) mounted to the vehicle's chassis, a “T” valve (4) attached to the top of the tank with an air gauge (5), an air filler valve (6) attached for the refilling and re-pressurizing of system, two gated valves (8) allowing the fire extinguishing material to flow through flexible hoses (9, 10) to the sprinkler heads (16, 17, 18, 19) pointed at the fire area or to the nozzle for spraying adjacent areas. The mounted fire extinguishing system is designed to allow the operator to direct the fire extinguishing material to the location most likely to have fires while being a safe distance from the source of the fire.

Abstract: A central control chemical fire extinguishing system, comprises a main control end; at least one fire alarm control panel which is connected to the main control end or to another fire alarm control panel through a network; at least one monitor module for monitoring different areas and machines; at least one electromagnetic valve connected to the fire alarm control panel and being driven by signals from the fire alarm control panel; and at least one chemical fire extinguisher connected to the electromagnetic valve and being concentrated at one place.

Abstract: A holecutter for creating holes in a golf course by both cutting a hole in the ground and removing the cut material comprises a receptacle, a cutting edge disposed at an aperture of the receptacle, an impact structure connected to the receptacle and arranged to deliver an impact to the receptacle to drive it into the ground and an ejecting structure disposed to eject the cut material from the receptacle. The ejecting structure of the holecutter is movable between an initial position and an ejected position by a geared drive acting between a guide and the impact structure. The impact structure comprises a grippable shaft that is slidably mounted on the guide which extends away from an end of the receptacle opposed to the aperture.

Abstract: The invention relates to a soil stripping device, in particular a trench wall grab, comprising a base body, which can be connected to a carrier implement, a work unit, on which soil working tools are arranged and which is supported on the base body in a rotatable manner by means of a bearing device, and a rotary device for rotating the work unit with respect to the base body. The rotary device has at least a linear drive and a rope or chain transmission, through which a linear movement generated by the linear drive can be translated into a rotating movement.

Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith. Methods of forming and terminating a triaxial superconductor are disclosed.

Abstract: An electrical outlet box includes fastening hardware to secure the box to a wall structure. A cover overlies the fastening hardware. The box has a flange with mounting apertures therethrough to receive the fastening hardware. The apertures may be formed in a recess in the flange. The cover may be formed as a plug that is inserted into the recess to provide a flush surface with said flange.

Abstract: A water-resistant cover for an electrical outlet box generally includes a base and a lid hingedly coupled to the base. The base has a ridge surrounding a substantial periphery of the base, wherein the ridge includes a top wall, an outer side wall extending downwardly from the top wall and an inner side wall extending downwardly from the top wall. The inner side wall defines a recessed portion of the base and an opening in the recessed portion. The lid is received in the recessed portion in a closed position to cover the opening, wherein the ridge prevents water from entering the opening whether the cover is oriented horizontally or vertically.

Abstract: A water-resistant cover assembly for an electrical outlet box includes a gasket sized to substantially cover the open side of the electrical outlet box, an adapter plate and a cover adapted to engage the mounting screw of the electrical fixture for mounting the cover to the outlet box. The adapter plate has an opening sized and shaped to receive a portion of the electrical fixture therein, and further includes a projection extending from a back face thereof. The projection pierces through the gasket to be frictionally held thereto and has a size adapted to be received in the aperture of the electrical fixture for aligning the adapter plate and the gasket thereto. The cover has an opening for providing access to the electrical fixture and is adapted to sandwich the adapter plate and the gasket against the electrical fixture when mounted to the outlet box.

Abstract: An electrically insulated conductor for carrying signals or current includes a solid or stranded copper core of various geometries with only a single electrically insulating and thermally conductive layer of anodized aluminum (aluminum oxide). The device is made by forming a uniform thickness thin sheet or foil of aluminum to envelop the copper or copper alloy core. The aluminum has its outer surface partially anodized either before or after forming to the core in an electrolytic process to form a single layer of aluminum oxide.

Abstract: A flat raw cable (1) transmitting signal and power comprises a pair of signal transmitting conductors (10), two insulating layer (15) each enclosing corresponding signal conductor, a braided tinned copper shield (13) encloses the signal transmitting conductor pair and the insulating layer applied around the pair, a pair of power transmitting conductors (12) located out of the copper shield sandwich in between the signal transmitting conductors, and an insulating jack (16) enclosing the power and signal transmitting conductors.

Abstract: The invention relates to a method for preventing siphoning effect in a terminal. The terminal of the invention comprises a conductive portion connected to an external component by a solder and a connecting portion extended to form the conductive portion. An exposed and easily oxidized copper is attached on the surface of the connecting portion, and the copper can be further oxidized to form oxide of copper. Since the copper is attached on the connecting portion of the terminal, and the copper can be oxidized to form oxide of copper, the oxide of copper, such as copper oxide, can prevent the siphoning of the solder from the conductive portion to the connecting portion during the soldering process. Accordingly, the solder can be saved, and the phenomenon of false welding can be avoided, such that the quality of soldering can be maintained well and the production cost can be reduced.

Abstract: The bushing has a conductor and a core surrounding the conductor. The core comprises a sheet-like spacer, wherein the spacer contains filler particles. The bushing can be a resin-impregnated graded bushing impregnated with an electrically insulating matrix material. The spacer may comprise paper, in particular creped paper. The filler particles can be electrically insulating or semiconductive particles. An increased thermal conductivity of the core can be achieved.

Abstract: A diode assembly for a wire harness includes a printed circuit board (PCB), a diode connected to the PCB, and a plurality of diode lead wires extending from the PCB for external connections. The diode assembly includes a diode wire trap interfacing with the diode, and a heat sink in direct or indirect contact with one or more of the PCB, diode and diode wire trap for dissipating heat.

Abstract: According to one embodiment, there is provided a printed-wiring board in which a composite board is formed to have rigid portions and a bending portion, wherein the bending portion includes linear protrusions each formed with solder resist having a bending resistance property.

Abstract: A junction structure of a flexible substrate includes a flexible substrate provided with junction terminals. An opposing substrate is placed opposite to the flexible substrate, and provided with junction terminals corresponding to the junction terminals. A thermosetting resin adhesive is interposed between the flexible substrate and opposing substrate, and used to join the flexible substrate and opposing substrate. A thermal conduction equalizing member is formed in at least one of the flexible substrate and opposing substrate, independently of the junction terminals formed in the flexible substrate and the junction terminals formed in the opposing substrate, not to make an electrical connection between the flexible substrate and opposing substrate.

Abstract: An electronic circuit board is provided. The electronic circuit board includes a substrate and a conductive adhesive adhered to the substrate in a trace pattern. The conductive adhesive mechanically supports and electrically connects an electronic component.

Abstract: A wiring board to be inserted between collector foils of each unit cell in a stacked battery includes a comb-shaped insulating substrate and a wiring layer. The insulating substrate has a plurality of teeth and a rod, and the wiring layer is formed on the insulating substrate and includes a plurality of lead wires individually extending from a distal end of each of the plurality of teeth to an end of the rod to deliver a current of a potential across a conductive member being in contact with the distal ends of the teeth to the end of the rod.

Abstract: In one implementation, a PCB having an array of vias and electrical terminals disposed on the side of the PCB opposite the side configured to receive a grid array package are disclosed herein. The array of vias have pads and forms a pattern of repetitive rows and columns. A substantially consistent intervia distance is defined along an intervia axis between each adjacent via in each of the rows and columns. A pair of electrical terminals are positioned adjacent one another along an electrical terminal axis between at least two of the vias and the electrical terminal axis intersects the intervia axis. In another implementation, a group of four adjacent vias form a substantially rectangular shape having one of four vias positioned at each of four corners of the rectangular shape. One electrical terminal is positioned within the four vias without contacting any of the four vias.

Abstract: A designing method of a semiconductor device having a first wire and a second wire with a plurality of vias includes determining a first life time change rate of the semiconductor device in response to a change in a number of via column, a second life time change rate of the semiconductor device in response to a change in a number of via row, reducing the number of via column according to a ratio based on the first life time change and the second life time change; and increasing the number of via row at least one.

Abstract: A printed circuit board (“PCB”) includes a base substrate, circuit lines and an input pad portion. The input pad portion is formed on a surface of the base substrate on which the circuit lines are formed to receive an externally provided signal. The input pad portion includes a first input pad group, a second input pad group and a first connecting member. The first input pad group has a plurality of first input terminals. The second input pad group is spaced apart from the first input pad group. The second input pad group includes a plurality of second input terminals. At least one of the second input terminals is electrically connected to at least one of the first input terminals. The first connecting member electrically connects at least two of the second input terminals.

Abstract: According to various aspects of the present disclosure, exemplary embodiments are provided of shielding apparatus that are suitable for use in providing electromagnetic interference shielding for one or more electrical components on a substrate. The shielding apparatus may have partially drawn and partially formed corner sections for improved rigidity. In one exemplary embodiment, a shielding apparatus generally includes side walls configured to be disposed generally about one or more electrical components on a substrate. Corner sections are integrally formed with the side walls. Each corner section has a drawn portion integrally connecting a corresponding pair of side walls, and a lower portion located generally below the drawn portion and generally between side edge portions of the corresponding pair of side walls.

Abstract: Support frame (1) for wall mounting at least one electrical apparatus (20, 21, 22, 23), the frame (1) comprising: a surround casing (4) for wall fixing, enclosing an opening (5) that defines a assembly housing adapted to accepting and retaining said at least one electrical apparatus (20, 21, 22 and 23), the opening (5) being defined by a facing pair of fixing panels (6 and 7) and a facing pair of connecting panels (9 and 10) with ends attached to said fixing panels (6 and 7) and the fixing panels (6 and 7) comprising attachment elements (8) for mounting said at least one electrical apparatus (20, 21, 22 and 23). The connecting panels (9 and 10) include coupling components (11), adapted to engaging with respective complementary coupling components (12) substantially located on end sections of a divider (13) that can be removably coupled to said frame (1) to subdivide said opening.

Abstract: A power distribution system and a method for assembling the power distribution system are provided. The power distribution system is configured to be mounted on a wall and to hold a plurality of devices thereon. Further, the power distribution system is configured to supply either an AC voltage or a DC voltage to each of the devices.

Abstract: The invention relates to a splice plate which is used to connect two cable tray sections, whereby each section comprises longitudinal warp wires and transverse weft wires. The inventive splice plate comprises: an elongated base; a lateral flange, known as the upper flange, which extends essentially perpendicularly to the base from a first longitudinal edge of same; and a lateral flange, known as the lower flange, which extends essentially perpendicularly to the base from the longitudinal edge opposite the first longitudinal edge. Each of the two flanges is equipped with a notch that opens at the free edge of the corresponding flange, said two notches being disposed facing one another. The upper lateral flange comprises coupling means on either side of the notch, which are intended to co-operate with a warp wire of a cable tray section.

Abstract: A method for using a vessel assembly including two or more vessels in multiple drilling unit operations, the method including using a vessel in the container assembly for cuttings storage, and operating at least one vessel in the container system in at least two of a slurrification system, a drilling fluid recycling system, and a tank cleaning system.

Abstract: Devices and methods for obtaining cores from a sea bed. A corer device includes one or more core barrels for retaining a cores and one or more pressure barrels. Fluid pressure within the pressure barrels is selectively varied to cause the corer device to be drawn into and released from the sea bed. The core barrels are provided with core catchers for retaining a core within.

Abstract: A module for slurrifying drill cuttings that includes a skid, a programmable logic controller disposed on the skid, and a blender. The blender including a feeder for injecting drill cuttings, a gate disposed in fluid communication with the feeder for controlling a flow of the drill cuttings, and an impeller for energizing a fluid, wherein the module is configured to be removably connected to a cuttings storage vessel located at a work site. Also, a method of drill cuttings re-injection that includes creating a slurry including greater than 20 percent by volume drill cuttings in a blender system, and pumping the slurry from the blending system to a cuttings injection system. The method further includes injecting the slurry from the cuttings injection system into a wellbore.

Abstract: Disclosed are a system, device, and method for generating pulse signals that correlate to geological information in a wellbore. The system and method comprises a pulse generating device longitudinally and axially positioned within an annular drill collar flow channel such that the drilling fluid flows through the annular drill collar flow channel and the drilling fluid is guided into two sets of selectively reversible flow, upper and lower flow connecting channels, wherein the connecting channels are connected to an inner flow channel and the annular drill collar flow channel, and wherein the annular drill collar flow channel is acted upon by one or more flow throttling devices thereby transmitting signals. The device utilizes a turbine residing near and within proximity of a flow diverter that diverts drilling mud into and away from turbine blades such that the force of the drilling mud causes the turbine blades and the turbine to rotationally spin around a coil assembly.

Abstract: The invention relates to a method of performing a drilling operation for an oilfield, which has a subterranean formation with geological structures and reservoirs. The method includes collecting oilfield data, at least a portion of the oilfield data being generated from a wellsite of the oilfield, selectively manipulating the oilfield data for real-time analysis according to a defined configuration, comparing the real-time drilling data with oilfield predictions based on the defined configuration, and selectively adjusting the drilling operation based on the comparison.

Abstract: A tank cleaning system for use at a drilling location, including a first cuttings storage vessel comprising an inlet and an outlet, at least one tank cleaning machine configured to clean a tank, a disposal vessel, and a module including a pump configured to facilitate the transfer of fluids from a clean water vessel to the at least one tank cleaning machine, and a fluid connection configured to facilitate the transfer of fluids from the outlet of the first cuttings storage vessel to the disposal vessel.

Abstract: A system for preparing slurry on a rig including a first cuttings storage vessel, a module, and a fluid supply line in fluid communication with the first cuttings storage vessel, the module including a grinding device configured to facilitate the transfer of fluids, an inlet connection configured to connect to an outlet of the first cuttings storage vessel, and an outlet connection configured to connect to an inlet of the first cuttings storage vessel is disclosed. A method of operating a slurrification system including using a first vessel for cuttings storage and operating the first vessel in a slurrification process is also disclosed.

Abstract: A system for preparing a slurry in-transit including a first cuttings storage vessel disposed on a transport vehicle, a module configured to operatively connect to the first cuttings storage vessel, and a fluid supply line in fluid communication with the first cuttings storage vessel, the module including, a grinding device configured to facilitate the transfer of fluids and reduce particle size of drill cuttings, wherein the system is operated while the transport vehicle is moving is disclose. A method of operating an in-transit slurrification system including using a first vessel disposed on a moving transport vehicle for cuttings storage, and operating the first vessel in a slurrification process while the transport vehicle is moving is also disclosed.

Abstract: In one aspect of the invention a drill bit assembly has a body portion intermediate a shank portion and a working portion, the working portion having at least one cutting element. A shaft is supported by the body portion and extends beyond the working portion. The shaft also has a distal end that is rotationally isolated from the body portion. In another aspect of the invention, a method for steering a downhole tool string has the following steps: providing a drill bit assembly attached to an end of the tool string disposed within a bore hole; providing a shaft extending beyond a working portion of the assembly; engaging a subterranean formation with a distal end of the shaft; and angling the drill bit assembly with the shaft along a desired drilling trajectory.

Abstract: A golf hole cutting device includes an impact portion and a cutting portion. The impact portion preferably takes the form of a portable impact hammer, while the cutting portion includes a cutting head and a shaft having a terminal portion that connects with the portable impact portion. The cutting head includes a cylindrical, hollow main body portion having a first end portion which is adapted to penetrate soil and leads to a second end portion. With this construction, the impact portion is employed to deliver a series of rapid linear impacts to the terminal portion of the shaft to drive the cutting head down into soil of a putting green to form a golf hole.

Abstract: A downhole drilling tool 136 comprises a drillstring 138, a drilling head 140, and a freewheel 144 for transferring drive from the drillstring to the drilling head. The freewheel 144 is positioned between the drillstring 138 and the drilling head 140.

Abstract: A tool for boring has an axle for drivingly linking at a first end to a portable rotatable machine. At a second end, the axle has a shaft-receiving bore into which a nose shaft is inserted. The nose has a cutting tip and a flight cutter that aligns with a flight on the axle. An insulator is electrically interposed between the cutting tip and the nose shaft, thereby electrically insulating the nose shaft from the cutting tip. The flight cutter performs the high-wear cutting at the leading edge of the flight, thereby causing the flight to merely remove the soil or other particulate from the hole being formed.

Abstract: A roller cone drill bit for drilling earth formation may include rows arranged on each of the cones such that when viewed in routed profile, cutting element profiles partially overlap with other cutting element profiles and at least the first three interior rows adjacent a gage row each have a cutting element count selected from the group of 16, 18, 21 and 26 cutting elements.

Abstract: An earth bit seal includes a magnetic ring that determines how strongly the earth bit seal engages a lug and/or cone of an earth bit. The earth bit seal also includes a flexible ring positioned away from any dynamic sealing surfaces that engage the lug or cone. The flexible ring is positioned away from the dynamic sealing surfaces so that, if it becomes impregnated with debris, it will not act as an abrasive ring that undesirably removes material from them, or from the lug and cone.

Abstract: A drill bit that includes a bit body; and at least one cutting element for engaging the formation disposed on the bit body, the at least one cutting element comprising: a ductile phase; a plurality of carbide particles dispersed in the ductile phase; and a plurality of nanotubes integrated into the cutting element is disclosed.

Abstract: A hole coring system is provided that greatly stabilizes a tubular core drill bit for drilling into concrete or other materials enabling large diameter holes to be drilled with a handheld tool. The drill bit is guided by a mandrel which is attached to the concrete. The mandrel serves as a central guidepost that ensures that a relatively large diameter, tubular core drill bit remains precisely centered relative to the guide mandrel. This enables the operator to use a commonly available tool to rotate the drill and apply drill pressure only. The motor may rotate the drill bit via a gear box. The gear box may have a lever arm which may be used to resist any torquing action of the gear box due to the friction between the drill bit and the concrete. Additionally, in the event the motor's housing is not fixed to the gearbox and allowed to rotate, a brace may be attached to the lever arm which may be used to resist any torquing action of the motor's housing due to the friction between the drill bit and the concrete.

Abstract: A rotary drag bit includes a primary cutter row comprising at least one primary cutter and a multiple backup cutter group. The multiple backup cutter group comprises a first and second trailing cutter row, each comprising at least one cutter positioned to follow the at least one primary cutter. The rotary drag bit life is extended by the multiple backup cutter groups making the bit more durable and extending the life of the cutters. Further, the cutters of the multiple backup cutter group are configured to selectively engage a subterranean formation material being drilled, providing improved bit life and reduced stress upon the cutters. Other embodiments of rotary drag bits are provided.

Abstract: A rotary drag bit includes a bit body having a face and an axis, a plurality of blades extending radially and longitudinally outward from the face, and at least one split cutter set. The split cutter set includes a plurality of cutters, where at least two of the cutters are primary and/or kerfing cutters located on different blades of the plurality of blades. The pair of primary and/or kerfing cutters of the split cutter set may be located substantially the same radial distance from a center line, or axis of rotation, of the bit and located at substantially the same longitude, or elevation, on the bit as one another, or follow substantially the same rotational or helical cutting path as each other.

Abstract: A rotary drag bit includes a primary cutter row comprising at least one primary cutter, and at least two additional cutters configured relative to one another. In one embodiment, the cutters are backup cutters of a cutter group located in respective first and second trailing cutter rows, oriented relative to one another, and positioned to substantially follow the at least one primary cutter. The rotary drag bit life is extended by the backup cutter group, making the bit more durable and extending the life of the cutters. In other of the embodiments, the cutters are configured to selectively engage a subterranean formation material being drilled, providing improved bit life and reduced stress upon the cutters. Still other embodiments of rotary drag bits include backup cutter configurations having different backrake angles and siderake angles, including methods therefor.