Abstract: A system for managing the supply of energy to heating and cooling devices based on environmental conditions within a regulated area, said system including one or more sensor devices within said regulated area for communicating one or more status signals, and a control module for receiving said one or more status signals, said control module analyzing said one or more status signals based on one or more heating and cooling routines, said one or more heating and cooling routines instructing said control module to communicate one or more control signals to said heating and cooling devices, said one or more control signals activating or deactivating said heating and cooling devices.

Abstract: A technique is provided to control flow in a well. A well completion comprises one or more flow control valve systems coupled by an electric line and a hydraulic line. Each flow control valve system comprises a flow control valve responsive to hydraulic input via the hydraulic line and an electro-mechanical device. The electro-mechanical device is responsive to inputs via the electric line and is used to control hydraulic input to the corresponding flow control valve.

Abstract: Methods and systems for creating fractures in a geological formation surrounding a well bore. In one implementation, a treatment material may be disposed at the bottom of the well bore. One or more propellant apparatuses may be immersed in the treatment material and a propellant may then be burned inside a first propellant apparatus to create fractures in the geological formation.

Abstract: A device is described for a plug (12) for pressure testing of bore holes and the like in a formation or the like, and associated pipe (10) in which the plug is installed in a plug-carrying chamber (14), and the plug (12) seals the passage through the pipe by cooperating with sealing bodies (23, 25), with the underside of the plug (12) being arranged (rests) in a seat at the bottom of the chamber. The plug is characterised in that it comprises a number of layer-formed or tier-formed ring disc elements of a given thickness, on fitted on top of the other.

Abstract: A packer or plug features a main sealing element that swells after a delay long enough to get it into proper position. A sleeve eventually goes away to let the well fluids at the main sealing element to start the swelling process until contact with the surrounding tubular or the wellbore is established. Other sleeves that are disposed above and below the main sealing element preferably swell, but mainly in a longitudinal direction against the main sealing element to increase its contact pressure against the surrounding tubular or the wellbore. The longitudinally swelling members may also be covered to initiate their growth after the main sealing element has started or even completed its swelling action. The longitudinally swelling members can be constrained against radial growth to direct most or all of their swelling action longitudinally. Extrusion barriers above and below the main sealing element can optionally be used.

Abstract: A well casing centralizer coupling is provided. The casing centralizer coupling is constructed to be suitable for coupling well casing for use in drilling with casing operations. The casing centralizer coupling includes a body having a number of centralizing blades arranged radially around an exterior surface of the body for contacting an inner surface of a well bore to centralize the well casing. Each centralizing blade includes a transverse profile that results in the blade having a reduced contact with the well bore and includes a hard faced contact surface. A method of constructing the well casing centralizer coupling to have a number of centralizing blades with such a transverse profile and a hard faced surface is also provided.

Abstract: Compositions containing a peroxide or peracid and an organic acid salt buffer are disclosed. The compositions are useful for removing polymers from oil and gas wells, while simultaneously dissolving encountered calcium carbonate deposits.

Abstract: A method and system for monitoring any incursion of particulate matter from a gas hydrate formation into a well casing used for the production of the gas hydrate and determining the degree of incursion of particulate material within the distal end of the well casing.

Abstract: An improved well completion system for completing two or more separate production zones in a well bore during a single downhole trip is disclosed. The improved completion system comprises a completion assembly comprising two or more production zone assemblies and a completion tool assembly. Each production zone assembly may comprise an automatic system locating assembly and at least two inverted seal systems for sealing against the tool assembly.

Abstract: The disclosure is drawn to methods of drilling wells utilizing blow out prevention components of differing pressure ratings. In the initial drilling phase, a lower pressure rated blow out prevention component is used. In a subsequent drilling phase where a reservoir of a natural resource is penetrated, a higher pressure rated blow out prevention component is used.

Abstract: A method of abandoning a well, said well comprising at least two concentric conduits (28,30) defining a main bore and at least one annular chamber (40) there between, comprising the steps of providing a perforation in one or more of the conduits, pumping out the fluiti from the annular chamber and/or main bore to create a fluiti-free void, inserting sealing material in the annular chamber and/or main bore to seal it/them. There is also provided an apparatus for abandoning a well having at least two concentric conduits defining at least one annular chamber there between, the apparatus including a pump (50) and a perforation forming device (42).

Abstract: The present invention generally provides a reduced downtime maintenance apparatus and method for replacing and/or repairing a subassembly in sealing equipment for oil field use. The invention allows the removal of rotating portions of a rotary drilling head without having to remove non-rotating portions. The reduction in weight and size allows a more efficient repair and/or replacement of a principal wear component such as a packer. Specifically, the packer in a rotary drilling head can be removed independent of bearings and other portions of the rotary drilling head. Furthermore, because of the relatively small size and light weight, the packer can be removed typically without having to use a crane to lift a rotary BOP and without disassembling portions of the drilling platform. In some embodiments, the packer can be removed with the drill pipe without additional equipment. Furthermore, the packer can be removed remotely without necessitating manual disengagement typically needed below the platform.

Abstract: An expandable tubular member.

Abstract: A tool for radially expanding casing having a tool body that includes a proximal end, a distal end, and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at least one hydraulic channel transmits hydraulic pressure from behind the expansion tool forward in the direction of travel of the expansion tool.

Abstract: A portable fire extinguishing device capable of suppressing a fire in a room or other enclosed area comprises a housing containing a pyrotechnic composition and a delay fuze. Upon initiation, the pyrotechnic composition burns and generates combustion byproducts that include an inorganic halogen compound that is dispersed as a aerosol of fine particles, or a gas that rapidly condenses into an aerosol of fine particles, the particle size of which is so small that the free-fall velocity of the particles is less than the average air currents in the room. Accordingly, the fire suppression aerosol remains suspended for several hours to act as a fire suppressant and because of its persistence will seek out and suppress even hidden fires.

Abstract: A linkage assembly for a vibratory plow. A vibratory plow comprises a power unit and a vibratory plow assembly. The vibratory plow assembly has a linkage assembly to connect to the power unit. The linkage assembly comprises a lift trolley, an upper arm, a lower arm and a load transfer link. The upper arm is pivotally connected to an upper end of the lift trolley. The lower arm is pivotally connected to a lower end of the lift trolley. A vibrator assembly is connected to the upper arm and the lower arm and a plow assembly comprising a plow blade is connected to the vibrator assembly. The load transfer link is operatively connected to the upper arm and to the vibrator. The load transfer link may be a leaf spring with an intermediate link. Alternatively, the load transfer link may be a hydraulic cylinder or an elastomeric member.

Abstract: A cultivator/tiller having an ergonomic handle is provided. The cultivator/tiller includes a motor adapted to drive at least one tine and a handle attached to the forward end of the housing, wherein the motor is attached to the rearward end of a housing. The ergonomic handle includes a pair of spaced apart arms, and the arms have a first end and a second end. The ergonomic handle also includes a transverse member attached to the second end of each arm. Furthermore, both ends of each arm are curved relative to the longitudinal direction of the elongated portion of the arms.

Abstract: A surface brake system for a detachable agricultural implement towed by a tow vehicle is provided. The detachable agricultural implement includes a frame connected by a telescoping tongue assembly at the tow vehicle. The frame and tongue assembly are movably supported by at least one wheel assembly having a circumferential tread surface. The brake system includes a pivot linkage pivotally connected at the frame of the detachable agricultural implement, and a horizontal aligned brake arm attached at the pivot linkage. The brake system further includes an actuator cylinder interconnected between the pivot linkage and the frame. Movement of the actuator cylinder causes the brake arm to engage a brake pad assembly against the outer circumferential tread surface of the wheel assembly so as to restrain movement of the wheel assembly and frame of the agricultural implement as the tow vehicle extends and retracts the telescoping tongue assembly.

Abstract: A forwardly folding agricultural implement frame includes a tongue having a forward section and a rearward section telescopically extendable relative to the forward section. A carriage having support wheels is mounted on the forward tongue section. Left and right wings are pivotally connected to the rearward tongue section and foldable between a field position wherein the wings are generally perpendicular to the tongue and a transport position wherein the wings are generally parallel to the tongue. During the folding process, the carriage remains generally centered under the frame such that the majority of the weight of the implement is carried by the wheels and not shifted forwardly to the tractor drawbar.

Abstract: The invention is a land clearing rake that is typically mounted on a moldboard on a conventional bulldozer. The land clearing rake pivots about a shaft that is horizontally connected to the front of the moldboard. The rake is comprised of teeth connected to each other by heavy-duty plates between each of the teeth. The teeth may be arranged in one or more sections wherein the sections can be simultaneously raised or lowered by winches mounted on the moldboard. The winches are remotely controlled from the operator's seat. Thus, the land clearing rake is capable of being quickly raised or lowered by the operator while the earth moving equipment is moving back to prepare for another forward move. The ability to quickly transition between raking and grading modes significantly improves the efficiency of land clearing operations.

Abstract: An operating mode switch for setting at least one operating mode in a hand-held power tool, comprising an adjustment ring rotatable manually around its axis and movable into at least one rotational position which activates an operating mode, and a locking device controlled by the adjustment ring and engaging in the adjustment ring, the locking device being configured such that in the at least one rotational position of the adjustment ring it automatically falls into a locking position which locks the adjustment ring in position, while the engagement ring is engageable from the at least one rotational position by manually rotating the adjustment ring.

Abstract: A device for a drilling hammer and/or percussive hammer has a tool holding fixture for holding a tool and for transmitting a torque to the tool. A component of the tool holding fixture consists of a hollow cylindrical tool holder, which has an insertion opening for an insertion end of the tool, and has an impact opening, via which a percussive action can be applied to the insertion end. A stopping surface, which is stationary with regard to the tool holder and which acts in an axial direction of the tool holder, is provided in the tool holder in the area of the impact opening. The tool holding fixture is particularly suited for insertion ends according to the SDS-max standard.

Abstract: Breakage in a coupling portion of a side plate subjected to repeated flexure is prevented by using fatigue resistant resin materials in the side plate. The coupling portion of the side plate due is subjected to repeated flexure. Excellent fatigue resistance is realized. The fatigue resistant resin material is selected from the group of an elastomer- or rubber component- compounded polyamide resin and polybutylene terephthalate resin. The rubber component is selected from the group of ethylene-propylene rubber (EPDM), nitrile rubber (NBR) and butyl rubber (IIR).

Abstract: The system integrates a CCTV system including one or more video source units into the structured cabling system (“SCS”) of a building or the like by combining video signals, control signals and power for each video source unit over a single multipair cable made up of plural unshielded twisted pairs (“UTP”) of insulated copper conductors, so that one twisted pair of the cable carries the video signals, one pair carries the control signals and one or two pairs carry the power. The system includes combiners and distributors which can interface with the SCS cable through standard modular, multi-pin plug and jack connectors.

Abstract: The present invention is directed to a one-piece corner duct that routes wires in a corner of an enclosure. The one-piece corner duct includes a back wall and sidewalls. The back wall has at least one co-extruded hinge that enables the back wall to pivot to allow the one-piece corner duct to conform to a corner of the enclosure. The sidewalls have a plurality of fingers that retain the wires in the corner duct. The fingers also maintain a cover on the one-piece corner duct to provide access to the wires therein.

Abstract: A cable raceway assembly includes an elongated raceway adapted for being mounted to a supporting structure. The raceway defines an open, upward-facing trough for receiving a cable and includes a mounting structure for attaching the raceway to the supporting structure. A fluid-resistant cover is attached to the raceway. The cover encloses at least a portion of the trough and forms a flowpath for directing fluid over and away from the trough.

Abstract: A sealing gland (20) suitable for use in a hazardous environment is adapted to prevent fluid flow, pressure transmission and flame propagation between the gland and the penetrant portions of insulated electrical wires passing therethrough, and within and along such penetrant portions. The improved sealing gland includes a tubular body (21), a first insulator (22), a sealant (23), a second insulator (24), a follower (25), and a cap (26). The sealing gland is so dimensioned and proportioned that when the cap is tightened on the body, the sealant will be deformed into fluid-tight pressure-sealed engagement with the body and wire to prevent fluid flow, pressure transmission and flame propagation between the gland and wires, and within and along the penetrant portions of the wires.

Abstract: A cable that provides reduced alien crosstalk between similar twisted pairs in cables that are in close proximity to one another and/or crosstalk between twisted pairs of the cable. In one example, a cable includes a first twisted pair of insulated conductors, a second twisted pair of insulated conductors, a shaped separator positioned so as to separate the first twisted pair from the second twisted pair, and a jacket disposed about the first and second twisted pairs and the separator, wherein the shaped separator comprises a central arm and at least one enlarged portion disposed at a first end of the central arm.

Abstract: A patch panel includes a back plane having front mounted pairs of termination locations, and an interconnect location electrically connected to each pair of termination locations. The termination locations connect to two patch cords. The interconnect location defines an access device for selectively accessing the termination locations. An interconnect module interfaces with the interconnect location. The module can include test access, power over Ethernet, or circuit protection features.

Abstract: One embodiment of n electromagnetically shielded electronic package includes a substrate having an exposed surface, a grounding structure at least partially exposed on the exposed surface and at least one electrical component positioned on the exposed surface, a conductive structure secured to the exposed surface and in contact with the grounding structure, a non-conductive layer formed on the exposed surface and covering the at least one electrical component and at least partially covering the conductive structure, and a conductive layer formed on the non-conductive layer and in contact with the conductive structure.

Abstract: A system and method for placing an electro-optical assembly inside a panel. In accordance with various embodiments of the invention, the system comprises a housing to house the electro-optical assembly. The housing comprises a top section, a bottom section, a front element, an attachment module, and a metallic plate. A latching unlatching mechanism facilitates removal of the hosing from the panel.

Abstract: An electric connector assembly made up of a connector body having an inlet end portion, an outlet end portion, and a bore communicating the inlet end portion to the outlet end portion; and having a frustro-conical retaining ring mounted on the outlet end portion wherein the retainer ring includes locking tangs and one or more grounding tangs wherein the free end of the grounding tang defines the trailing end of the retainer ring. The locking tangs effect a snap-fit locking arrangement while the grounding tang effects an electrical grounding of the connector assembly, when connected to a knock-out hole of an electric box or panel. Various embodiments are disclosed wherein the grounding tang is formed so as to enhance the electrical grounding effect between the connector assembly and the electric box or panel connected thereto.

Abstract: A system for high-depth drilling of the ground aimed at reaching hot rocks for extraction of geothermal energy by means of introduction of a heat-conveying fluid and extraction thereof after adequate heating uses just one borehole containing two coaxial tubes: an internal tube (3, 11, 13), through which the cold fluid is introduced, and an external or coating tube (4, 6), through which said fluid returns to the surface after it has been heated by the hot rocks either directly or through said coating tube.

Abstract: A method and system for controlling a horizontal directional drilling machine having a boring tool. A rate of rotation and a rate of thrust are selected by an operator. Controls allow an automatic boring operation mode to be initiated to maintain the selected rate of rotation and thrust without further input from the operator. Periodically, when the rotation and thrust are interrupted, such as to modify the drill string, the automatic boring operation mode is interrupted. The automatic boring operation mode may be resumed without requiring the operator to select the rate of rotation and rate of thrust. The rate of rotation is resumed before the rate of thrust to reduce drill string shock loads and increase drilling performance.

Abstract: An apparatus for vertically supporting pipes in oil production rigs. The apparatus includes an outer frame and a centering device. In the area of an inner side of the outer frame, at least one wedge device is provided for clamping the pipe. The outer frame is connected to the centering device so as to be vertically aligned and facing upwardly. A wedge device may additionally include a positioning device and a carrier provided with at least one wedge.

Abstract: An expandable drilling apparatus is deployed upon a distal end of a drillstring and includes a cutting head and a substantially tubular main body adjacent the cutting head providing a plurality of axial recesses configured to receive arm assemblies configured to translate between a retracted and an extended position. A flow switch actuates the arm assemblies when a drilling fluid pressure exceeds an activation value and the drilling apparatus includes a biasing member to reset the arm assemblies when the drilling fluid pressure falls below a reset value.

Abstract: An expandable drilling apparatus includes a main body comprising a central bore and at least one axial recess configured to receive an arm assembly operable between a retracted position and an extended position, a biasing member to urge the arm assembly into the retracted position, a drive position configured to thrust the arm assembly into the extended position when in communication with drilling fluids in the central bore, a selector piston translatable between an open position and a closed position, wherein the selector piston is thrust into the open position when a pressure of the drilling fluids exceeds an activation value, wherein the drilling fluids are in communication with the drive piston when the selector piston is in the open position, and a selector spring configured to thrust the selector piston into the closed position when the pressure of the drilling fluids falls below a reset value.

Abstract: A bottom hole assembly to directionally drill a subterranean formation includes a drill bit, a stabilizer assembly located proximate to and behind the drill bit, a drilling assembly comprising a drive mechanism and a directional mechanism, and a flex member. Optionally, the flex member may be located between the drilling assembly and the stabilizer assembly or an integral to a housing of the drilling assembly. A method to drill a formation includes positioning a stabilizer assembly behind a drill bit and positioning a flex member between an output shaft of a drilling assembly and the stabilizer assembly. The method preferably includes rotating the drill bit, stabilizer assembly, and flex member with a drilling assembly and directing the trajectory of the drill bit and stabilizer assembly with a directional mechanism of the drilling assembly.

Abstract: A rotary drill bit having one or more fluid nozzles is provided. Each nozzle may include interior surfaces designed to optimize hydraulic performance and efficiency of fluid flowing through the nozzle. The interior surfaces cooperate with each other to minimize turbulent fluid flow through the respective nozzle. Each nozzle may also include a discharge port or outlet with at least one Coanda surface operable to direct fluid flow in a direction which optimizes efficiency of transferring fluid energy to adjacent portions of a wellbore. The orientation of fluid flow from each nozzle may be directed to optimize cleaning of associated cutting structures and/or to minimize or prevent balling of formation cuttings.

Abstract: An earth-boring bit has bit legs having hardfacing covering the majority of the outer surface. The hardfacing may have gaps at an area surrounding the ball plug and an area around a fixture dimple. The hardfacing may be multi-layer, with the layers differing in composition. Recesses may be located at the leading and trailing edges of the supporting metal so as to provide a thicker area of hardfacing at these corners. The supporting metal of the outer surface of the bit leg may also have an upper cylindrical section and a lower tapered section. The hardfacing has a constant outer diameter but will taper in thickness in the lower tapered section. The thickness of the hardfacing may also vary in a circumferential direction with a greater thickness over at least one of the corners.

Abstract: The present invention provides airline travelers with a method of determining baggage weight compliance while traveling, prior to having baggage rejected or additional fees assessed at the baggage check counter at the airport. In a first aspect, a scale is disclosed that comprises first and second attachment points, wherein the scale indicates a relative force applied to the attachment points. In a second aspect, a scale is disclosed which comprises two independent attachment points wherein the scale can display the total force applied to the attachment points.

Abstract: A jog dial and a mobile terminal incorporating the jug dial are provided. The rotation direction and rotation speed of the jog dial are detected at the same time. The structure of the jog dial is simplified and the number of components are reduced, thereby reducing manufacturing cost and satisfying various functions of the mobile terminal.

Abstract: A detection circuit is provided with a differential capacitive sensor and with an interface circuit having a first sense input and a second sense input, electrically connected to the differential capacitive sensor. Provided in the interface circuit are: a sense amplifier connected at input to the first sense input and to the second sense input and supplying an output signal related to a capacitive unbalancing of the differential capacitive sensor; and a common-mode control circuit, connected to the first sense input and to the second sense input and configured to control a common-mode electrical quantity present on the first sense input and on the second sense input. The common-mode control circuit is of a totally passive type and is provided with a capacitive circuit, which is substantially identical to an equivalent electrical circuit of the differential capacitive sensor and is driven with a driving signal in phase opposition with respect to a read signal supplied to the differential capacitive sensor.

Abstract: In one embodiment of the invention, a steering system for mobile medical equipment is disclosed including left and right steerable wheel assemblies including left and right steerable wheels, left and right parallelogram linkages coupled to the left and right steerable wheel assemblies, a steering function generator coupled to the left and right parallelogram linkages, and a steering tiller coupled to the steering function generator. The left and right parallelogram linkages transfer differing left and right wheel angles to the left and right steerable wheel assemblies respectively. The steering function generator generates the left wheel angle (LWA) of the left steerable wheel and the right wheel angle (RWA) of the right steerable wheel. The steering tiller receives an input steering angle to generate the left wheel angle and the right wheel angle to control the direction of the mobile medical equipment around flooring.

Abstract: There is provided a pump unit including plurality of hydraulic pump bodies respectively fluidly connected to plurality of hydraulic motor bodies, which are disposed away from the pump unit, so as to form closed circuits, the pump unit including: a housing accommodating the plurality of hydraulic pump bodies so that the plurality of hydraulic pump bodies are operatively driven by a common driving source; a charge pump body operatively driven by the driving source; a suction fluid passage fluidly connected to a suction side of the charge pump body; a discharge fluid passage fluidly connected to a discharge side of the charge pump body; a charge passage for replenishing a part of pressurized fluid in the discharge fluid passage into each of the closed circuits; and a working machine operating fluid passage for supplying a part of the pressurized fluid in the discharge fluid passage toward an external hydraulic actuator.

Abstract: The present invention provides an accessory drive system for a hybrid electric vehicle having an electric variable transmission. The apparatus includes an engine operatively connected to the electric variable transmission. The electric variable transmission includes a gear arrangement configured to selectively produce a plurality of speed ratios. The electric variable transmission also includes at least two motor/generators connected to the gear arrangement, and to a storage device. A drive pulley is connected to an output shaft of the engine. A plurality of driven pulleys are each connected to an accessory. A drive belt connectively couples the drive pulley and the plurality of driven pulleys. A controller is operatively connected to the engine and the motor/generators, and is configured to control the engine and the motor/generators to ensure the accessories are adequately powered.

Abstract: A hybrid drive system includes a motor coupled between a transmission and a differential, and a hybrid controller coupled to a vehicle such that the hybrid controller is mounted separately from an engine controller. A hybrid drive system including the above hybrid drive system, and a method of installing the hybrid drive system are also included herein.

Abstract: A hybrid golf car type vehicle powered by a gasoline engine or an electric motor in the forward direction and by the electric motor in the reverse direction with the gasoline engine charging the batteries when the batteries fall below a threshold charge either with a motor generator or an alternator.

Abstract: Driving forces of an engine and an electric motor can be transmitted to driving wheels, and the engine and the driving wheels can be mechanically connected and disconnected by a clutch. A vehicle ECU disengages the clutch and controls the motor to generate a required torque when an upper limit torque generable by the motor is equal to or above the required torque. On the other hand, the ECU engages the clutch and controls the engine and the motor in such a manner that a sum of the torques of the engine and the motor becomes the required torque when the upper limit torque is lower than the required torque. The ECU engages the clutch even if the upper limit torque is equal to or above the required torque when the revolution speed of the motor becomes equal to or above a predetermined revolution speed during traveling of the vehicle.

Abstract: A hybrid SOFC/gas turbine electric generating system comprising an SOFC stack, a hydrocarbon reformer, a first anode tailgas hydrogen-rich combustor to drive a first gas turbine stage, and a second stoichiometric combustor to drive a second gas turbine stage to drive a generator. Anode tailgas is also recycled into the reformer for substantially endothermic reforming of hydrocarbon fuel. Oxidant is provided as pure oxygen—which may be stored as liquid oxygen. All nitrogen may be excluded. Cathode exhaust is passed to the first combustor, to the second combustor, and is recycled into the cathodes. The turbine exhaust is passed through successive heat exchangers cooled by liquid oxygen being vaporized, precipitating water and solid CO2. The system is operated at about 800 kPa (about 8 atmospheres), thereby increasing the power output of the stack. The system may be operated with no gaseous exhaust or with by-products of water and CO2.