Abstract: A duo transceiver system for sending power and data downhole, that may comprise an elongate cylinder adapted for installation into a tool string component such as a drill pipe, BHA tool, or sensor. The tool string component may comprise an axial bore comprising a split spring ring expanded into and protruding from a groove within its bore wall. The elongate cylinder may be mounted on the split spring ring. The cylinder may comprise an outside wall, an inside wall, a top wall, and a bottom wall. The top wall may comprise an annular groove open to the top wall. The annular groove may house an annular duo transceiver. The annular duo transceiver may comprise an annular MCEI inductive transceiver surrounding an annular electrical contact transceiver. The annular MCEI inductive transceiver may surround the electrical contact transceiver with an inner MCEI top surface and an outer MCEI top surface.

Abstract: An assembly and method of manufacturing an assembly for use as an isolation barrier to be run in and secured within a well. The assembly has a sleeve member positioned on the exterior of a tubular body, fixed at each end to create a chamber therebetween. Fluid can enter the chamber through a port in the tubular body to morph the sleeve member against a larger diameter surface in the well. The sleeve member is formed of at least two materials, welded together and machined before being arranged on the tubular body. One material is more expandable than the other so as to morph more easily. The sleeve is connected to the tubular body by screw threads and seals. Initial construction of the sleeve member allows welding, inspection and machining without affecting the tensile strength of the tubular body or complete assembly.

Abstract: Provided is a cooling apparatus for a semiconductor module including a semiconductor chip, the apparatus including a ceiling plate having a bottom surface; and a case portion having two sets of opposing edges in an overhead view, and including a flow portion arranged on the plate's bottom surface side and allowing coolant to flow therethrough, an outer edge portion surrounding the flow portion, and a side wall provided on the outer edge portion's inner side, the side wall including a first constricted portion changing the flow portion's width in a first direction parallel to one of the edge sets, along a second direction orthogonal to the first direction, a fastening portion for fastening the plate and the case portion to an external apparatus provided where the plate and the outer edge portion are overlapped and arranged, and the fastening portion arranged opposite the first constricted portion in the first direction.

Abstract: In a subsea blowout preventer stack system with a lower marine riser package with a lower marine riser connector and choke and/or kill lines, and a lower blowout preventer stack with a mandrel on the upper end and choke and/or kill lines connection to choke and kill valves, a method of porting the choke, kill lines, hydraulic lines and electrical lines vertically through the wall of the lower blowout preventer stack mandrel.

Abstract: A magnetic flux receiver assembly includes a collar that defines a central passageway and an axial collar face, and a tool insert disposable within the central passageway and defining an axial insert face. One or more magnetometers are operatively coupled to the tool insert. One or more buttons are coupled to one or both of the axial collar face and the axial insert face such that an axial gap is defined at an axial interface between the axial collar face and the axial insert face to prevent electrical communication across the axial interface.

Abstract: A central vacuum cleaning system having a floor level debris pickup valve preferably mounted in the bottom of a cabinet and connected to a tubular conduit of a vacuum producing unit by a connection assembly. The connection assembly includes a flexible and expandable hose having a pair of end connectors. Each end connector preferably is a bayonet connector. The hose is connected at one end to the rigid tubular conduit of the central vacuum system and the other end connector is pulled through an opening formed in the cabinet by expanding the hose. The expandable hose enables the pickup valve to be attached easily to the other end of the hose, after which the hose is retracted back into a restricted space below the cabinet bottom wall and the pickup valve then attached to the cabinet.

Abstract: In one embodiment, an electronics enclosure for housing a data processing system includes a number of enclosure panels forming a fully enclosed container to contain electronics, including a first enclosure panel having a liquid cooling component therein and a second enclosure panel having an air cooling component therein. The enclosure is thermally managed by implementing these panels. The first enclosure panel includes an inlet port to receive cooling liquid from an external cooling liquid source, a cooling plate disposed on an inner surface of the first enclosure panel to receive a motherboard of the data processing system and to extract heat from the motherboard using the cooling liquid and an outlet port to return the cooling liquid back to the external liquid source. The second enclosure panel includes a liquid to air heat exchanger to cool air flowing through an air space within the fully enclosed container using at least a portion of the cooling liquid.

Abstract: A downhole tool connection comprises (i) a tool intended for downhole use and including a connection section protruding therefrom in use in an uphole direction, the connection section supporting two or more first connectors spaced from one another and operatively connected to the tool; and (ii) a cable carrier moveable in an in-use downhole direction towards the connection section. The cable carrier supports (a) one or more cables and (b) two or more second connectors spaced from one another and operatively connected to at least one cable. Pairs of the first and second connectors are mutually connectable, on movement of the cable carrier towards the connection section to increase the proximity of the connectors of the pairs, in a manner effecting electrical transmission between the connectors of each pair. At least one pair of the connectors connects inductively, and at least one pair of the connectors connects conductively.

Abstract: The present disclosure provides a dis-connectable wellhead hanger arrangement permitting a pig tail set of electrical conductors to be inserted within the wellhead hanger arrangement which seals against the wellhead hanger upon separation of an electrical power cable; or alternatively, through an exterior pressure-preserving housing. If the power cable separates from the production tubing for any reason, the compressively fit plugs disconnect the power cable from the pathway leaving the electrical mandrel sealed within the wellhead hanger or housing, thereby sealing the wellhead hanger from loss of fluid after separation.

Abstract: Conductor connector assemblies and methods for connecting conductors and conductor connector assemblies are provided. An assembly includes a base attachment accessory extending between a first end and a second end. The base attachment accessory further defines a bore hole extending therein from the second end. The base attachment accessory further includes an internal thread in the bore hole. The assembly further includes a barrel assembly connectable to the base attachment accessory. The barrel assembly includes a barrel extending between a first end and a second end. The barrel assembly further includes a rod extending from the first end of the barrel and an external thread on the rod. The external thread is mateable with the internal thread. The barrel assembly further defines a conductor passage extending into the barrel from the second end thereof. The barrel is radially compressible.

Abstract: A connection system including a male connector portion and a female connector portion each including a housing, a valve disposed within the housing, a valve actuator operably connected to the valve, and a housing extension, the housing extension from the male connector portion being configured to interact with the valve actuator of the female connector portion to open the valve of the female connector portion during mating of the male and female connector portions.

Abstract: A cooling system includes a heat exchanger provided on a heat generating component, the heat exchanger having a size larger than the heat generating component, a leaf spring to extend from a first side of an upper surface of the heat exchanger to a second side opposite to the first side, and be fixed to the upper surface of the heat exchanger, a first screw to be arranged around the heat exchanger, and to fix the leaf spring to a printed circuit board, and a convex portion to be raised to be higher than a first portion of the first side and a second portion of the second side, and to be formed at a central portion between first and second portions within a region of the upper surface of the heat exchanger that overlaps with the leaf spring.

Abstract: In one aspect, a method of completing a wellbore is disclosed that in one non-limiting embodiment includes: placing a completion assembly in the wellbore, the completion assembly including a first link along an outside the completion; placing a second link between a surface location and a subsea location; placing a string having a third link between the first link and the second link; and connecting the third link to the first link and the second link to provide a continuous link between the completion assembly and the surface location.

Abstract: An example wellbore system includes a wellbore at least partially lined with casing and having an upper control line extending on an exterior of the casing and conveying one or more first communication media, a casing nipple provided on the casing and defining a nipple profile, an upper control line connector coupled to the casing nipple and communicably coupled to the upper control line, a connector assembly arranged on a wellbore tubing extendable within the wellbore and defining an anchor profile engageble with the nipple profile, and a lower control line connector coupled to the connector assembly and communicably coupled to a lower control line extending along the wellbore tubing and conveying one or more second communication media, wherein the one or more first and second communication media are communicably coupled by radially expanding and rotating the lower control line connector with respect to the upper control line connector and thereby mating the upper and lower control line connectors.

Abstract: A downhole tool includes a body having a longitudinal axis and bore therethrough, an array of longitudinal electrode segments separated by electrical insulators, wherein substantially an entire cross section of said body comprises at least one electrode segment, at least one longitudinal electrode configured to emit a first electrical current into said formation and measure said first emitted current, at least one longitudinal electrode segment configured to emit a second electrical current for directing said first emitted current into said formation, and at least one longitudinal electrode segment configured to receive said first emitted current returning from said formation.

Abstract: A tubular section and a system including the tubular section include a first tubular member including a threaded pin section and a second tubular member, the second tubular member including a threaded box section configured to mate with the threaded pin section. The tubular section also includes a shoulder ring disposed between the first tubular member and the second tubular member, wherein a wall thickness of at least a portion of the shoulder ring is greater than a smallest wall thickness of the threaded pin section of the first tubular member.

Abstract: An example dry mate connection assembly includes a clamp guide ring arranged about a wellbore tubing and defining a first axial channel for receiving a first splitter block of a first dry mate connector, wherein the first dry mate connector includes a first angular mating face and one or more first communication media extending within the first dry mate connector, and a retaining ring arranged about the wellbore tubing and defining a second axial channel configured to receive a second splitter block of a second dry mate connector configured to mate with the first dry mate connector, wherein the second dry mate connector includes a second angular mating face and one or more second communication media extending within the second dry mate connector.

Abstract: A multi-contact electrical connector assembly includes a first connector housing to electrically couple to a second connector housing. A moveable piston is disposed in a bore of the first housing and is biased to be adjacent a first plurality of electrical contacts on a surface of the bore. An end of the first housing has a first pressure connector electrically coupled to the first plurality of electrical contacts. A moveable annular piston is disposed about a rod in a bore of the second connector housing and is biased to isolate a second plurality of electrical contacts on an outer surface of the rod. The second housing also has a pressure connector electrically coupled to the second plurality of electrical contacts. The moveable piston and the moveable annular piston are simultaneously moveable to expose and matingly engage the electrical contacts.

Abstract: The medical instrument includes a male instrument connector, which includes at least one male fluid connector arranged on a flat face. A venting bore may also be arranged on the same face and disposed to act as pressure relief by which leaking fluids that accumulate in the instrument can be discharged. A cover cap may be attached to the face. The cover cap allows for sterilization of the instrument, including the male instrument connector.

Abstract: The invention relates to a plug-in coupling for the transfer of high-power energy and for the transfer of a fluid under pressure, consisting of at least one coupler plug (2) and at least one coupler socket (3). The coupler plug (2) can be introduced into the coupler socket (3) at least to some extent to produce a coupled state and can be removed from the coupler socket (3) to produce a decoupled state. The coupler socket (3) and the coupler plug (2) advantageously comprise an inner conductor (4, 5) which is electroconductive in at least some sections and which is surrounded by a fluid channel (6) in at least some sections. The coupler socket (3) and the coupler plug (2) have means (7, 8) for sealing the fluid channel (6) in a liquid-tight manner in the decoupled state and for producing a continuous fluid channel (6) in the coupled state.

Abstract: A system including an inline retrievable module, including a conduit configured to removably mount inline within a passage of a hydrocarbon extraction system, a first coupler having a first range of axial movement at a first end portion of the conduit, a second coupler having a second range of axial movement at a second end portion of the conduit, and an actuation system configured to actuate the first and second couplers to move along the respective first and second axial ranges of movement between coupled positions and uncoupled positions relative to the conduit.

Abstract: A method of supplying electrical power to at least one device at a tree of an underwater fluid extraction well is disclosed. The method comprises using magnetic resonance coupling for wirelessly transmitting power from a supply to each device.

Abstract: A communication system is disclosed for use with a train consist. The consist communication system may have a first fluid conduit, a first coupling connected to the first fluid conduit, a first cover connected to the first coupling and configured to close an end of the first fluid conduit, and at least a first cable disposed within the first fluid conduit. The system may also have a second fluid conduit substantially identical to the first fluid conduit, a second coupling substantially identical to the first coupling, fixedly connected to the second fluid conduit, and connectable to the first coupling, and a second cover connected to the second coupling and configured to close an end of the second fluid conduit. At least a second cable may be disposed within the second fluid conduit in communication with the at least a first cable through the first and second covers. The first and second fluid conduits may be pressurized.

Abstract: The invention relates to a plug-in coupling system for the transfer of high-power energy and for the transfer of a fluid under pressure, consisting of at least one coupler plug (2, 2?) and at least one coupler socket (3, 3?) with at least one electrical conductor (4, 5), respectively. The coupler plug (2, 2?) can be introduced into the coupler socket (3, 3?) to produce a coupled state and can be removed from the coupler socket (3, 3?) to produce a decoupled state. The plug-in coupling advantageously comprises at least one electromechanical protection system consisting of at least one electronic switch means (35) and at least one mechanical switch means (4, 11), arranged inside the coupler socket (3) and/or the coupler plug (2), said mechanical switch means establishing or separating the electroconductive connection, the electronic switch means (35) and the mechanical switch means (4, 11) being independently controllable.

Abstract: A consist communication system is disclosed for use with a train consist. The consist communication system may have a fluid conduit, at least a first cable disposed within the fluid conduit and configured to transmit communication signals, and at least a second cable disposed within the fluid conduit and configured to transmit electrical power. The communication conduit may also have a coupling fixedly connected to an end of the fluid conduit, a first transformer coil connected to the at least a first cable, and a second transformer coil connected to the at least a second cable and disposed in an orthogonal orientation relative to the first transformer coil.

Abstract: An apparatus that enables quick disconnect termination or connection for cryogenic transfer lines is presented. The apparatus is a connector that will allow two lines to be connected and coupled for simultaneously allowing for fluid to occur and electrical communication to ensue. Connection and termination will occur successfully under a pressurized environment.

Abstract: A wired drill pipe electronic device includes a housing having a threaded connection at each end configured to couple to a wired drill pipe having double shoulder threaded connections. A chassis is disposed inside the housing and is configured to define at least one sealed atmospheric chamber between the chassis and the housing. The chassis defines an internal passage therethrough. The device includes a stress coupling to enable transmission of at least one of axial and torque loading from both the inner and outer shoulder of adjacent wired drill pipe segments through the housing.

Abstract: An aircraft including a cabin, on at least one wall of which are attached first portions of plural multisystem connection devices, each device including a male portion or plug and a female portion or socket capable of fitting into each other. Each male and female portion includes: a first mechanism connecting to a liquid or gas supply of the aircraft; and a second mechanism connecting to a supply of electricity and/or electric signals of the aircraft.

Abstract: Embodiments of the present invention provide an effective seal and connector that maintain a removable mechanical and electrical connection between any two down hole power cables, despite cable movement and well pressure. The connector preferably includes a fluid seal comprised an encasing material that surrounds and/or adheres to protective tubing encapsulating an electrical cable's conductor wires. The encasing material may also surround and/or adhere to the conductive wire's insulation to prevent its outward expansion during well pressure events. The connector's fluid seal also comprises a relatively rigid connection between the connector's protective outer sleeve and the protective tubing encapsulating the conductor wire.

Abstract: A wired tubular string includes a first joint having an axial bore, a box end, a pin end, a concentric inner conductor, and a concentric outer conductor; a second joint having an axial bore, a box end, a pin end, a concentric inner conductor and a concentric outer conductor; a joint-to-joint connection formed at the connection of the pin end of the second joint with the box end of the second joint; and an isolation assembly positioned at the joint-to-joint connection to operationally connect the corresponding concentric inner conductors and the correspond concentric outer conductor across the joint-to-joint connection and electrically isolate the inner conductor from the outer conductor.

Abstract: A cable link may include a first link connector in signal communication with at least one sensor in a drill string and coupled to the drill string, a second link connector spaced apart from the first link connector and in signal communication with a telemetry system, the second connector link coupled to the drill string, and a linking cable having signal connectors at each end thereof, the linking cable having at least one of an electrical conductor and an optical fiber therein, the signal connectors each configured to latch proximate a respective one of the first and second link connector.

Abstract: A handle arrangement on a vacuum cleaner hose has an inner bushing non-rotatably attached to one end of the hose and is inserted in a handle tube and axially fixed therein such that it can rotate. Electrical leads are guided outwards from the hose and the inner bushing in a radial direction through a wall opening of the handle tube and into the cavity of a handle part. The handle part is firmly connected at both ends to the handle tube. The electrical leads are fixed so as to form a length reserve loop in the cavity. A receiving space is provided on the inner bushing, into which electrical leads from the length reserve loop are shifted when relative rotations take place between the hose and the handle tube. The possible rotation angle is delimited by stops according to the lead length available in the length reserve loop.

Abstract: An apparatus includes a pair of connectors, two or more conductive paths formed in each connector in the pair of connectors, and a shroud encompassing at least a portion of the pair of connectors. The pair of connectors includes a first connector and a second connector. The first connector is substantially more flexible than the second connector, and each connector in the pair of connectors includes a bulkhead. Each of the two or more conductive paths in each connector in the pair of connectors is electrically isolated from all other conductive elements in the pair of connectors. The shroud is located between the bulkheads and disposed about the pair of connectors when the pair of connectors are coupled together electrically.

Abstract: A supply line system for conveying a fluid is provided. First and a second conduit segment have at least one inner conduit surface and an outer conduit surface. At least one fluid chamber is within the conduit segments and is formed by the at least one inner conduit surface. At least one electric wire is located between the at least one inner conduit surface and the outer conduit surface. A conduit connection element is connecting the first and second conduit segments, thereby mating the fluid chamber and the electric wire of the first conduit segment with the fluid chamber and the electric wire of the second conduit segment. At least a portion of the quantity of fluid and the electric signals is passed from the first to the second conduit segment. A control system is connected to the electric wire and in communication with at least one device.

Abstract: An apparatus and a system, as well as a method and an article, may operate to couple, in a substantially fluid-tight manner, a first tubular member (140?) carrying a first set of tubular member conductors (124?) to a hollow cylinder (104). The hollow cylinder may include two or more sets of insulators having an equal number of insulating elements (120, 12S) located on the outer surface of the hollow cylinder, and two or more sets of conductors (110, 116) having an equal number of conducting elements defining pairs of conducting elements located on the outer surface. Each of the pairs of conducting elements may be insulated from the other pairs of conducting elements by the sets of insulators. The apparatus and system, as well as the method and article, may also operate to couple, in a substantially fluid-tight manner, a second tubular member (140?) carrying a second set of tubular member conductors to the hollow cylinder.

Abstract: A cycleable downhole tool such as a Jar, a hydraulic hammer, and a shock absorber adapted for telemetry. This invention applies to other tools where the active components of the tool are displaced when the tool is rotationally or translationally cycled. The invention consists of inductive or contact transmission rings that are connected by an extensible conductor. The extensible conductor permits the transmission of the signal before, after, and during the cycling of the tool. The signal may be continuous or intermittent during cycling. The invention also applies to downhole tools that do not cycle, but in operation are under such stress that an extensible conductor is beneficial. The extensible conductor may also consist of an extensible portion and a fixed portion. The extensible conductor also features clamps that maintain the conductor under stresses greater than that seen by the tool, and seals that are capable of protecting against downhole pressure and contamination.

Abstract: The system contains a plurality of conduit segments and at least one electrically-powered pump. At least one conduit connector joins the conduit segments and the electrically-powered pumps, thereby mating at least one fluid path. A plurality of electric power wires are coupled with the conduit segments and connected to the electrically-powered electric pumps. At least one electrical connector, within said conduit connectors, mates corresponding electric power wires between the conduit segments. An electric power source electrically connected to the electrically-powered pump via the electric power wires.

Abstract: A drill pipe includes a pin end connector, a box end connector, a first communication connector having a plurality of first communication contacts and a second communication connector having a plurality of second communication contacts. The pin end connector is received by the box end connector to join sections of a drill pipe together. When the drill pipe sections are joined by the pin end and box end connectors, a plurality of isolated communication connections is formed between the first communication contacts and the second communication contacts.

Abstract: A downhole electrical transmission system having first and second tubular bodies coupled together by mating threads, each tubular body having a bore. An electrical conductor assembly is disposed within the bore of each tubular body. At least one end of each assembly has an electrical contact surrounded by a dielectric material, the electrical contact and dielectric material forming a polished, planar mating surface. The mating surfaces span an entire cross section of the end and are perpendicular to a central axis of the tubular bodies. The mating surfaces of each electrical conductor assembly are substantially engaged at a compressive load when the tubular bodies are fully mated.

Abstract: A pipestring (12) wherein the leading coupling portion (221) of a first pipe segment (141) and the trailing coupling portion (242) of a second pipe segment (142) are coupled together. A leading seal part (341) is installed in the leading coupling portion (221) of the first pipe segment (141) and a trailing seal part (362) is installed in the trailing coupling portion (242) of the second pipe segment (142). The seal parts (341, 362) interface to form a fluid seal between the composite pipe segments (141, 142), and also to provide an electrically conductive path between their electrical lines (461, 462).

Abstract: A cable connection device (7) for operatively connecting two sections of cable (3) (see FIG. 1) comprises: first and second parts (9, 10) for respective connection to the first and second cable sections, said first and second parts (9, 10) having mutually engageable components (15, 16) for releasably locking the two parts together; and a release mechanism (17, 19, 31) which when activated permits the first and second parts to separate, said mechanism comprising means (31) for forcibly separating the first and second parts.

Abstract: A cable that delivers power, signals, or information is wet connected downhole. The lower portion of the cable can be in an auxiliary conduit to a main tubular and be installed already connected to sensors, instruments or other downhole equipment. The connection is made up downhole to connect a string with its auxiliary conduit to the portion of the string and its auxiliary conduit that are below. The cable already in the hole has an upper end ferrule for connection to a ferrule on the lower end of a cable delivered into the upper auxiliary conduit after the wet connect is made up. When the ferrules connect they are held together and a signal goes to the surface that they have connected. The auxiliary connected conduits have a lateral conduit in fluid communication for use in delivery of the cable with circulating fluid.

Abstract: A downhole tool string component having a tubular body having a bore with a central longitudinal axis. An electrical conductor assembly is disposed within the bore of the tubular component, the assembly having signal couplers at first and second ends adapted for a butt connection. Centering assemblies are disposed within each end of the bore and have a plurality of projections extending radially outward from at least a partial central ring disposed around a portion of each end of the electrical conductor assembly, at least one centering assembly comprising a radial opening in the central ring adapted to receive the electrical conductor assembly. The first and second ends of the electrical conductor assembly are substantially aligned to the central axis of the bore at each end by the centering assemblies, the centering assemblies being adapted to allow fluid to pass through the bore.

Abstract: Wellhead assembly and method for providing a power connection to a downhole electrical device, such as a heater. Pressure-containing wellhead body members enclose a vertical wellbore and support therein an isolated tubing hanger and a grounding tubing hanger. The isolated tubing hanger suspends a conducting tubing string, while the grounding tubing hanger suspends a grounding tubing string concentrically spaced from the conducting tubing string. The isolated tubing hanger has an outer housing, an inner electrically conducting portion supported by the outer housing operative to provide electrical connection with, and suspend, the conducting tubing string, and insulation between the housing and conducting portion to electrically isolate the housing portion. Hot electrical connection is made for electrical connection to the conducting portion of the isolated tubing hanger or the conducting tubing string.

Abstract: In one aspect of the invention, a downhole electrical connection system comprises first and second tubular bodies adapted for threaded connection to each other, each tubular body comprising an inner and an outer diameter. First and second electrical conductor assemblies are disposed within the inner diameters of the tubular bodies and are substantially coaxial with the tubular bodies and generally extend the length of the tubular bodies. The first electrical conductor assembly comprises a first electrical contact adapted to abut a second electrical contact of the second electrical conductor assembly when the first and second tubular bodies are coupled together. The first electrical contact is disposed within an elastically deformable wiper, and the elastically deformable wiper is adapted to expose the first electrical contact as it is engaged by the second electrical contact under an axially compressive load.

Abstract: An expandable tubular sleeve having utility for lining a downhole tubular member includes a tubular body having a portion that is predisposed to initiate expansion thereof under the application of internal fluid pressure. The predisposed portion of the body may be a plastically-deformed portion formed, e.g., by application of mechanical force to a wall of the body. The predisposed portion of the body may be defined by a portion of the body having reduced wall thickness. The reduced wall thickness may be achieved, e.g., by reinforcing the wall thickness everywhere except the predisposed portion. The predisposed portion of the body may be formed by modifying the material properties of the body, e.g., by localized heat treatment. The sleeve and related apparatuses and methods are useful for securing and protecting a cable having one or more insulated conductive wires for transmission of signals between locations downhole and at the surface.

Abstract: In one aspect of the invention, a downhole electrical connection system comprises first and second tubular bodies adapted for threaded connection to each other, each tubular body comprising an inner and an outer diameter. First and second electrical conductor assemblies are disposed within the inner diameters of the tubular bodies and are substantially coaxial with the tubular bodies and generally extend the length of the tubular bodies. The first electrical conductor assembly comprises a first electrical contact adapted to abut a second electrical contact of the second electrical conductor assembly when the first and second tubular bodies are coupled together. The first electrical contact is disposed within an elastically deformable wiper, and the elastically deformable wiper is adapted to expose the first electrical contact as it is engaged by the second electrical contact under an axially compressive load.

Abstract: A connection system for fluidtight connection of a first and a second pipe; the connection system includes a connecting device for establishing a fluidtight connection between the first and second pipe, and which has a fixed electric connector, a movable electric connector which is independent of the second pipe and connectable to the fixed electric connector, a control device for determining electrical connection of the fixed electric connector and the movable electric connector, and an interlocking device which only permits connection of the fixed electric connector and the movable electric connector in the presence of a connection between the first and second pipe.

Abstract: A tubing connection for coupling two or more joints of tubing sections is disclosed comprising a plug assembly and a socket assembly. The plug assembly has a plurality of splines and the socket assembly has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug assembly is connected to the socket assembly in a four-step process of: positioning the assemblies in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the two sections together with the coupling collar. The tubing joint may also have at least one conduit that may contain a wire or other material for transmitting power and data between the adjoined sections of tubing.

Abstract: An inductive coupling system including a mandrel and an inner sleeve and outer housing that surround and rotate relative to the mandrel. The system also includes a mandrel electronics system and a housing electronics system that communicate electronically using a mandrel inductive coupler and a housing inductive coupler. The mandrel electronics system may also communicate with equipment on the surface. Alternatively, the system may include a mandrel and first and second mandrel electronics systems in different mandrel sections. The first and second mandrel electronics systems communicate electronically using a mandrel inductive coupler. Also alternatively, the system may include a mandrel and an inner sleeve and outer housing that surround and rotate relative to the mandrel. The system also includes a mandrel electronics system and a housing electronics system that communicate electronically using a housing inductive coupler.