Abstract: This patent application applies to an Active Motion Compensation system for use during intervention or other work on subsea wells, pipelines or other structures. It could be used on existing floating production platforms such as Tension Leg Platforms (TLP) and Spar structures where intervention work including Coiled Tubing, Slickline, Electric Line, Wireline, as well as snubbing or Hydraulic Workover activities are being utilized. It could also be deployed over the side of or through the moon pool of a vessel without the need of any other compensation device.

Abstract: What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string is being rotated and/or reciprocated. In one embodiment the sleeve or housing can be rotatably and sealably connected to a mandrel. The swivel can be incorporated into a drill or well string and enabling string sections both above and below the sleeve to be rotated in relation to the sleeve. In one embodiment the drill or well string does not move in a longitudinal direction relative to the swivel. In one embodiment, the drill or well string does move longitudinally relative to the sleeve or housing of the swivel.

Abstract: A technique enables protection of subsea wells. The technique employs a subsea test tree and associated control system to ensure control over the well in a variety of situations. The subsea test tree may be formed with an upper portion releasably coupled to a lower portion. The upper portion employs at least one upper shut-off valve, and the lower portion employs at least one lower shut-off valve to protect against unwanted release of fluids from either above or below the subsea test tree. The subsea test tree also is coupled with the control system in a manner which allows control to be exercised over the at least one upper shut-often valve and the at least one lower shut-off valve.

Abstract: An electrical submersible pump (ESP) for use in a wellbore includes a submersible pump; a motor; and a protector operatively coupled to the motor to protect the motor, wherein at least one of the motor and protector is filled with a PFPE oil. A method for manufacturing an ESP for use in a wellbore includes assembling the ESP from a pump, a motor, and a protector, wherein the protector is operatively coupled to the motor for the protection of the motor; and filling at least one of the motor and protector with a PFPE oil. A method for pumping a fluid from a wellbore using an ESP includes disposing the ESP in the wellbore; and operating the ESP, wherein the ESP comprises a pump, a motor, and a protector, and wherein at least one of the motor and protector is filled with a PFPE oil.

Abstract: Systems, devices, and methods of producing a fluid include a pump assembly that operates to increase the hydrostatic pressure of the fluid. The pump assembly is located in a well completion below a formation isolation valve. The pump assembly releasably connects to a polished bore receptacle in the well completion.

Abstract: A method of treating a subterranean formation including providing a well bore that includes a filter cake on at least a portion of the well bore and contacting at least a portion of the filter cake with a filter cake degradation fluid comprising a relative permeability modifier. The method also includes allowing the relative permeability modifier to retain at least a portion of the filter cake degradation fluid in the well bore for a time sufficient to contact the filtercake and allowing the filter cake to degrade.

Abstract: A system, apparatus, and method to apply tension to completion tubing in a wellbore. The system, apparatus, and method comprises an inner and outer tubing hanger, with the string of tubing attached to the inner tubing hanger. A running tool lands the outer tubing hanger on a landing shoulder and continues to lower the inner tubing hanger into the wellbore until the lower end of the inner tubing hanger latches into a retaining device. The running tool then sets a seal which holds the outer tubing hanger in position and causes a ratcheting mechanism to move to an engaged position. The running tool then withdraws the inner tubing hanger a predetermined distance until the inner tubing hanger engages the ratcheting mechanism.

Abstract: The present invention generally relates to a method and apparatus for protecting tubular connections. In one aspect, an expandable tubular connection for use in a wellbore is provided. The tubular connection includes a tubular pin member. The tubular connection also includes a tubular box member having an end portion, wherein the tubular pin member is matable with the tubular box member to form the tubular connection. Additionally, the tubular connection includes a sleeve member disposed on the tubular pin member, wherein the sleeve member is configured to substantially protect the end portion of the tubular box member as the tubular connection is lowered into the wellbore. In yet a further aspect, a method for utilizing a tubular connection in a wellbore is provided.

Abstract: A centraliser (10) for centralising a tubular (12) within a conduit is described. The centraliser comprises a centraliser body, at least one finger (14) pivotally mounted to the body and at least one collar (20), the/each collar being moveable with respect to the at least one finger. Relative movement between the/each collar and the body pivots the at least one finger from a run-in configuration to an extended configuration.

Abstract: A tool storage assembly (12) comprises a housing (28) defining a chamber adapted to be in fluid communication with a wellbore through a tool passage (30) formed in the housing (28). A tool storage member (32) is mounted within the chamber of the housing (28) and defines a tool compartment (34) adapted to releasably secure a downhole tool (22) therein. The tool storage member (32) is moveable between a storage position and a deployment position, wherein the tool (22) may be deployed into the wellbore when the tool storage member (32) is in the deployment position.

Abstract: Downhole tools for anchoring and isolating at least one zone in a wellbore comprise a mandrel having an upper end, a lower end, an outer wall surface, and a longitudinal bore disposed therethrough having an axis. One or more anchors are disposed through the outer wall surface of the mandrel. Each of the anchors has a retracted position and an extended position. An isolation element is disposed along the outer wall surface of the mandrel. The isolation element may cover the anchors or be disposed, above, below, or around the anchors. Engagement of the isolation element with the inner wall surface of the wellbore to isolate at least one zone of the wellbore may be accomplished by piercing the isolation element to permit wellbore fluid to contact a swellable material contained within the isolation element, or by pumping fluid into the isolation element.

Abstract: A single bidirectional slip for a downhole tool reduces the volume of metal and allows an increased drill up speed. A dual sealing element system, with one sealing element above and one below the bi-directional slip, provides boost forces going through the sealing elements to the slip. The wickers of the slip can be separated by a substantially flat circumference section for placing a band around the slip to improve fracturing uniformity. The wickers can have any of a variety of configurations, including orientations axially away from the central portion of the slip and orientations axially toward the central portion of the slip.

Abstract: A fire suppression cylinder includes a valve at an outlet of a canister, and a control for the valve. The canister receives a liquid suppressor agent and a pressurized gas. A feature within a portion of the canister will receive the liquid suppressor agent. The feature increases the formation of gas bubbles within the liquid suppressor agent.

Abstract: A power apparatus of the present invention includes a main body case, a plurality of power supply elements provided inside the main body case, and a fire-extinguishing agent tank facing each of the plurality of power supply elements. An opening part for sensing heat of the power supply elements and substantially opening the fire-extinguishing agent tank is provided between the power supply elements and the fire-extinguishing agent tank facing the power supply elements, thus enabling the size to be reduced.

Abstract: An apparatus and method of installing a shank onto a ripper assembly of a tractor or crawler. A rotating shank installer (RSI) is welded onto a front face of a ripper assembly of a tractor, e.g., on the outside surface of a pocket beam. A portion of the RSI is allowed to rotate with respect to the pocket beam. With the shank in a substantially horizontal position with respect to the ground, the shank is secured between two plates of the RSI using pins wherein the plates can rotate with respect to the pocket beam. The shank is locked in place by two pins placed through the plates and the shank's weight is unbalanced with respect to the RSI. The ripper assembly is elevated causing the shank to rotate within the RSI to a substantially vertical position. The crawler is moved forward while lowering the ripper assembly in order to rip a groove into the ground with the bottom portion of the shank where the shank lowers into the ground.

Abstract: A turf aerator (11) provided with a reciprocating drive mechanism (33, 37) to repeatedly drive a leg (35) carrying a tine (31) vertically into the ground (52) and retract it again at regularly spaced intervals, the tine leg (35) being substantially rigid and pivotally mounted at its upper end (36) to a drive assembly (33). The tine leg (35) is provided with a cam surface (160) in the forward direction and a forward guide arrangement (141) including a forward travel limiting stop, acting on the cam (160), to limit forward travel of the tine leg (35) and thereby maintain a substantially vertical travel path for the leg (35).

Abstract: An implement with a ground working tool mounted on an arm pivotably movable between raised and lowered positions includes a pneumatic down pressure control system. The down pressure control system includes upper and lower mounts with an air spring located between them and having compressed and extended configurations with said arm raised and lowered respectively. A parallel plate mechanism maintains the upper and lower mounts in parallel relation and maintains a relatively consistent down pressure of the air spring. Multiple air springs can be provided on an implement and pneumatically interconnected by an air line for simultaneously charging to a constant air pressure.

Abstract: A coulter or disc having a plurality of directional notches therein is used in one rotational direction for one use and an opposite rotational direction for a different use. The notches are selected from many arcuate shapes and sizes. The notches taper from sharp to dull from one end to the other, but in use one can chose to lead with the dull or the sharp end of the notches. A method of making and using such coulters or discs is described and shown.

Abstract: A pneumatic percussion tool (1) for demolition and/or breaking work in for example concrete and connectable to an insert tool (2). The percussion tool has a percussion cylinder (4), a piston (5), arranged to travel in the bore of the cylinder (4), a buffer (8), and a valve unit (6), designed to act on the piston (5) during operation and produce a repetitive reciprocating travel in the bore of the cylinder (4) by alternately applying pressure to the upper or lower end of the cylinder (4) while the insert tool (2) is subject to influence by the stroke of the piston (5) when this is at its dead centre at the lower end of the cylinder (4). The percussion tool comprises a means (11) of preventing the piston's reciprocating motion when the buffer (8) reaches a predetermined degree of wear and the tool is not pressed against any object being worked.

Abstract: A portable power tool having a housing with a rotation motor for powering a working implement, wherein sensors are provided to indicate the motor speed and the power supply, and a programmable evaluation unit is arranged to compare indicated speed and pressure values with stored limit values, and to accumulate the total operation time of the power tool and compare that with preset time limits for tool service intervals, and an optical information unit is provided on the housing to indicate whether those stored limit values have been reached.

Abstract: A transmission module includes a sleeve member, a cover disc, a hammering portion and an axle. The sleeve member has a rear disc and a cylinder body. A receiving space is defined between the rear disc and the cylinder body. The rear disc is formed with a teethed bore. The inner surface of the cylinder body is formed with at least one axially-stretched rib. The cover disc is disposed on the open end of the receiving space. The cover disc is formed with an axial bore. The hammering portion includes at least one rotary hammer, which is received in the receiving space. The rotary hammer has a through hole and a positioning groove. The rib is engaged with the positioning groove. The axle has a driven end and a working end. The driven end is inserted through the axial bore and mated with the through hole.

Abstract: Fluid-powered percussion tool 1, comprising a housing 2 with a supply channel for pressurised fluid 3, a percussion mechanism 4, a swinging joint 5 arranged to carry the percussion mechanism 4 relative to the housing 2 at a point situated between the forward end A and the rear end B of the percussion mechanism 4, at least one elastically resilient element 6 arranged between the housing 2 and the percussion mechanism 4 at a distance from the swinging joint 5 and arranged to load the percussion mechanism 4 against a neutral position in the housing 2 and to absorb the vibrational movements of the percussion mechanism 4, and a flexible connection for pressurised fluid 7 for distribution of pressurised fluid from the supply channel for pressurised fluid 3 to the percussion mechanism 4. The elastically resilient element 6 comprises a conical spring 8. The flexible connection for pressurised fluid 7 comprises a hose 11.

Abstract: The invention relates to a hand grip having a grip core and a grip cover disposed on the grip core. The grip cover has at least one vibration-damping element. A fastening element is attached to the grip core. The vibration-damping means can be prestressed.

Abstract: The invention relates to a hand-held power tool for predominantly percussively driven tool attachments, in particular hammer drills and/or a chisel-action hammers. The power tool has a percussion axis and an intermediate shaft that is parallel to the percussion axis and which has a first stroke generating device having a first stroke element for a percussion drive. Additionally, at least one additional second stroke generating device having at least one second stroke element is provided for driving a counter oscillator that is arranged on or about the intermediate shaft and can be driven by the intermediate shaft. A phase displacement that is different from zero and that is unequal to 180° takes place between a movement of the first stroke element and a movement of at least one second stroke element.

Abstract: The invention is based on a handheld power tool having a drive unit, a grip unit that includes at least two grip areas for two-handed use, and a safety sensor unit, which has at least one sensor and one power limitation unit. It is proposed that the power limitation unit, in at least one operating state, as a function of a signal of the at least one sensor of the safety sensor unit, limits a supply of power to the drive unit at a level that is other than zero and unequal to a maximum available power.

Abstract: A battery pack 10 includes a housing 11, a group of cells 12, a board 13, a plurality of second terminals 14, and a cover 15. An opening 16c is formed in the housing 11. The board 13 has a terminal arranging part 13A. A plurality of the second terminals 14 are arranged on the terminal arranging part 13A of the board 13. The cover 15 has a plate-like shape, and covers an area of the board 13 which is positioned between the terminal arranging part 13A and the opening 16c.

Abstract: An in-water discharging apparatus is provided. The in-water discharging apparatus can be manufactured with a high voltage electrode (12) formed in one piece with a corresponding electrode (15), thus facilitating installation and enabling the apparatus to be miniaturized.

Abstract: An umbilical for use in the offshore production of hydrocarbons comprising an assembly of functional elements wherein at least one of the functional elements comprises an electrical cable, and wherein said electrical cable is enclosed within a tube, said tube being adapted to apply a radial compressive force on the cable whereby the tube is capable of supporting the weight of the electrical cable in an axial direction.

Abstract: A method for making a housing comprising: providing a metal layer, a decorative layer, and an adhesive layer; attaching adhesive layer to the decorative layer to form a preformed soft layer; cutting the preformed soft layer to form a soft layer having a configuration the same as that of the metal layer; attaching the soft layer to the metal layer to form a intermediate product; and heating and pressing the intermediate product by a thermo compressing apparatus to form the housing. The application also discloses a housing used in a portable electronic device.

Abstract: A method for making a device housing comprises: providing a metal substrate; providing a transparent or translucent film, the film being formed with a pattern coating on one surface thereof; forming a bonding coating on the metal substrate; and heat pressing the film and the metal substrate into a whole with the pattern coating bonding with the bonding coating. A device housing manufactured by the method is also described there.

Abstract: The disclosure relates to a housing for an electronic device. The housing comprises: a back housing defining an interior compartment of the device; a receptacle to receive a first locking feature from a cover for the electronic device; and at least one moveable second locking feature in the receptacle to engage the first locking feature to hold the cover to the back housing. In the back housing the second locking feature is selectively moved from a first engaged position with the first locking feature to a second disengaged position with the first locking feature when a predefined force is applied at a specific location at the back housing or the cover.

Abstract: An outlet box assembly for separating and insulating higher voltage power conductors from lower voltage data conductors. The assembly includes a housing, a housing divider and a bracket. The housing including at least one vertically extending side wall defining an interior space therein. The housing divider disposed within the housing and extending across the interior space forming a vertical barrier between a first housing compartment and a second housing compartment. The bracket capable of having secured thereto at least one of the higher voltage power conductors and at least one of the low voltage data conductors. The bracket including at least one partition separating conductor compartments therein, the at least one partition extending vertically and substantially perpendicular to the divider. A floor of each conductor compartment extends across at least a portion of both the first housing compartment and the second housing compartment.

Abstract: An assembly includes a mud ring and a detachable cover. The mud ring includes a planar surface including slots for mounting the mud ring to a utility box. The mud ring also includes a raised portion comprising side walls and end walls, the raised portion being elevated with respect to the planar surface. The detachable cover is connected to the raised portion by at least one hinged mechanism, the hinged mechanism being configured to be broken away from the mud ring.

Abstract: An underwater ocean bottom cable constructed of a series of axially aligned cable segments alternately arranged with sensor units. The sensor units include an outer housing with an interior cavity in which a sensor module is suspended by a cradle. Vanes on the sensor module protrude through axially elongated openings in the outer housing to dig into the seabed to provide good seismic coupling between the seabed and pressure sensors and motion sensors housed in the sensor module. The outer sensor housing is split into complementary portions that clamp firmly onto the ends of adjacent cable segments. Stress members, such as high modulus fiber ropes, extend out the ends of adjacent cable segments. Axial channels formed in the intervening outer sensor housing on opposite sides of the sensor module receive the stress members, which, along with the cradle, provide seismic isolation between the cable segments and the sensor modules.

Abstract: A toneable conduit includes an elongate polymeric tube having a sidewall with an interior surface and an exterior surface. The interior surface defines a main channel for holding communication or power cables. A sub-channel extends longitudinally between the exterior and interior surfaces of the tube. An electrically continuous, toning signal wire is located within the sub-channel. The toning signal wire is formed of an annealed metal or metals and is capable of elongation to a certain extent without breakage, wherein the certain extent approximates or exceeds the extent of elongation of the tube at the point of failure.

Abstract: A wire or cable comprising a conductor or wire core and a coating layer on the exterior of the conductor or wire core which is formed from a rubber or plastic composition containing a rubber or plastic and an inorganic filler having high moisture resistance is provided. The inorganic filler is the one which has been surface treated with an alkoxy group-containing organopolysiloxane having an unsaturated aliphatic group-containing group and a monovalent hydrocarbon group of 3 to 10 carbon atoms containing no aliphatic unsaturated bond obtained by partially cohydrolytic condensation of an organic functional group-containing silane and/or its (partially) hydrolytic condensate, and an organic functional group-containing silane and/or its (partially) hydrolytic condensate.

Abstract: A coaxial cable has a conducting shield covered by a jacket. The jacket defies spaced apart, axially extending voids adjacent to the shield. The voids separate axially extending contact regions of the jacket which extend axially and in contact with the shield. The voids and the contact regions are linked circumferentially by a continuous closed curve.

Abstract: A cable includes an inclusion containing stranded wire conductor that includes a plurality of stranded wires formed by twisting a plurality of conductor wires, and a plurality of thin diameter inclusions having an external diameter thinner than that of each of the stranded wires. The inclusion containing stranded wire conductor is formed by together twisting a plurality of the stranded wires and a plurality of the thin diameter inclusions so as to allow one of the thin diameter inclusions to be located between adjacent stranded wires of a plurality of the stranded wires.

Abstract: A telecommunications cable comprising four twisted pairs of conductors and a separator spline comprised of a principal dividing strip and a first subsidiary dividing strip attached longitudinally along a first side of the principal dividing strip and a second dividing strip attached longitudinally along a second side of the principal dividing strip, the spline separating the four twisted pairs such that they are arranged in a staggered configuration. A method for reducing cross talk between adjacent cables in a telecommunications system, the method comprising the steps of, for each of the cables, providing a plurality of twisted pairs of conductors, winding an elongate filler element around the twisted pairs and covering the twisted pairs and the element with a cable jacket, the element introducing a visible distortion into an outer surface of the jacket.

Abstract: A protective device includes a mechanical protective sheath (20) and a thermal protective nozzle (30) mounted at one end (21) of the mechanical protective sheath (20), the mechanical protective sheath (20) including a tubular textile structure that is deformable by compression in the longitudinal direction of the mechanical protective sheath (20), the textile structure having, in a longitudinal compression area, an expanded sheath portion (25) adapted to interact by the reversion of one end (32) of the thermal protective nozzle (30). The device can be used in particular for protecting an element (11) connecting to a sensor (12) of an engine (13).

Abstract: Hybrid conductors capable of achieving enhanced conductivity and current capacity over a wide range of frequencies are disclosed. The hybrid conductors may be used in electrical or thermal applications, or combinations of both. One method of fabricating such hybrid conductors includes complexing conductive metal elements (e.g., silver, gold, copper), transition metal elements, alloys, wires, or combinations thereof, with carbon nanotube materials. In the alternative, the hybrid conductors may be formed by doping the carbon nanotube materials in salt solutions.

Abstract: An insulation spacer for a gas insulated device includes an insulator disc and an armature extending around an outer periphery of the insulator disc and holding the same. The armature is ring-shaped defining a ring axis and includes two ring base surfaces extending substantially perpendicularly to the ring axis; and a ring inner surface being arranged between the two ring base surfaces and facing the ring axis. Further, the ring inner surface includes at least one protrusion directed radially inwardly towards the ring axis, the at least one protrusion being shaped such that it locks the insulator disc in the armature against movement in both directions parallel to the ring axis.

Abstract: An insulating substrate 1 includes an electrically insulative layer 2, a wiring layer 3 formed on one side of the electrically insulative layer 2 and formed of a spark plasma sintered body of an electrically conductive material powder, and a stress relaxation layer 4 formed on the other side of the electrically insulative layer 2 and formed of a spark plasma sintered body of an alloy powder or a mixed powder to be formed into a metal composite. The wiring layer 3 is formed of a spark sintered body of a powder selected from the group consisting of an Al powder, a Cu powder, an Ag powder, and an Au powder. The stress relaxation layer 4 is formed of a spark plasma sintered body of a powder selected from the group consisting of an Al—Si alloy powder, a mixed powder of a Cu powder and an Mo powder, a mixed powder of a Cu powder and a W powder, a mixed powder of an Al powder and an SiC powder, and a mixed powder of an Si powder and an SiC powder.

Abstract: A method of manufacturing a rigid-flex circuit board includes preparing a first and a second coverlay film (200, 250), and a first and a second circuit substrate (100, 150) having a first and a second circuit (103, 153) formed thereon, and a first interlayer adhesive sheet (300); Stacking the first coverlay film (200), the first circuit substrate (100) disposed such that the first circuit (103) opposes the first coverlay film (200), the first interlayer adhesive sheet (300) located in a region where a rigid portion (700) is to be formed, the second coverlay film (250), and the second circuit substrate (150) disposed such that the second circuit (153) opposes the second coverlay film (250), and executing a heat-pressing process.

Abstract: The present invention relates to a metal foil laminated polyimide resin substrate wherein a metal foil is directly laminated on one side or both sides of a polyimide resin substrate; and the surface of the metal foil to be bonded to the polyimide resin substrate has a surface roughness (Rzjis) of 3.0 ?m or less; a surface area ratio (B) of 1.25 to 2.50, in which the surface area ratio (B) is calculated as a ratio [A/6550] of a surface area of a two-dimensional region with a surface area of 6550 ?m2 which is determined by a laser method (three-dimensional area: A ?m2) to the area of the two-dimensional region; and a chromium content per unit area of the two-dimensional region of 2.0 mg/m2 or more.

Abstract: Articles and methods of manufacture are provided for using laser energy in an automated bonding machine to effect laser welding of ribbons to electronic components, particularly conductive ribbons comprising titanium for microelectronic circuits. Bonding and connection of microelectronic circuits with discrete heating avoids heat damage to peripheral microelectronic components. Bonding of flexible materials and low-resistance materials are possible, and are less dependant on substrate and terminal stability in comparison to other bonding methods. The ribbon-connections can forgo the use of blocks, bond pads, and bond pad arrays for attaching ribbon to a printed wiring board. Profile height of the ribbon-connection is decreased and the density of ribbons and bonding sites can be increased compared to ribbon-connections employing bonding pads.

Abstract: A printed circuit board (“PCB”) (100) includes a first routing layer (110), a second routing layer (120) and a via hole structure (150) electrically connecting the two routing layers. The via hole structure (150) includes a connecting hole (158) extending between the first routing layer (110) and the second routing layer (120), an inner conductor (154) positioned in the connecting hole (158), an outer conductor (152) substantially surrounds the inner conductor (154), and an insulating medium (156) positioned between the inner conductor and the outer conductor. The outer conductor (152) is insulated from the inner conductor (154), the outer conductor (152) is configured to connected to the ground, and the inner conductor (154) is configured to transmit signals.

Abstract: The disclosure discloses a conductive plate includes a substrate and a patterned conductive film bonded to the substrate through an adhesive layer. The patterned conductive film includes a pattern of conductive traces. A touch panel is also disclosed and includes first and second conductive plates, each of which includes a substrate and a patterned conductive film bonded to the substrate through an adhesive layer. The patterned conductive film includes a pattern of conductive traces.

Abstract: A method for making a conductive film exhibiting electric anisotropy comprises forming a nanomaterial on a substrate, the nanomaterial having a cluster of interconnected nanounits, each of which being substantially transverse to the substrate and having one end bonded to the substrate. The method further includes stretching the nanounits along a first direction to remove the nanomaterial from the substrate so as to form a conductive film having strings of interconnected nanounits, where the nanounits of the strings substantially extend in the first direction. A conductive plate and a method for making the same is also disclosed, where the method further comprises attaching the conductive film to a second substrate.

Abstract: An object of the present invention is to provide a capacitor-forming material having a stable adhesion between a dielectric layer and an electrode-forming layer. To achieve the object, the capacitor-forming material in which an oxides dielectric layer is provided between a top-electrode-forming layer and a bottom-electrode-forming layer, wherein at least one of the top-electrode-forming layer and the bottom-electrode-forming layer has a two-layer construction constituted with a bulk-metal layer and a composite layer composed of metal and metal oxide which is made to contact with the oxides dielectric layer.