Abstract: An annular block of polymer comprising an inductive coupler assembly configured to fit within a groove in the shoulder of a drill pipe joint. The assembly comprises a ferrite channel arranged around the interior of the block. At least one turn of a conductive wire is deposed within the channel. The block comprises a bumper comprising jutting from the block. The block comprises internal void openings adjacent its vertical side surfaces. A void opening is disposed proximate the bumper. The block further comprises an internal gasket partially extending from the bottom surface of the block. The external portion of the gasket being formed to fit within a gasket seat in the bottom of the groove. The wire passes through the gasket as it exits the block. When the block is installed into the groove, the gasket seals the wire and the block's components from the downhole environment.

Abstract: A resilient electrical conductor for an inductive coupler assembly comprising a loop comprising first and second ends. The first and second ends being harder than the loop. The loop is located within an annular recess in the top wall of a cylindrical housing. A magnetically conductive electrically insulating, MCEI, channel surrounding the loop provides a transmission element for the electromagnetic field produced by the loop when energized. The first end is configured for connection to a transmission line and the second end is configured for attachment to ground. The wire loop comprises one or more helical segments between the first end and the second end, each segment comprising a plurality of turns. The annular recess may comprise a step in the side wall of the cylinder joining the side wall with the top wall. The segments may comprise vertical coils attached in series or in parallel to the loop.

Abstract: A telemetry tool assembly for exploiting subsurface fluids and minerals through well construction and production. The assembly comprises a tube comprising a bore and a bore wall and first end and a second end. The respective ends each comprise internal and external upset portions welded to a pin end tool joint or box end tool joint, respectively. The upset portions comprise an internal and external conical transition section intermediate the respective tool joints and the tube. The internal conical transition section comprises at least one socket comprising a removeable cover and side and bottom surfaces within the internal conical transition section. The socket and cover comprise a seal between the cover and socket side walls. A sensor module comprising electrical equipment is disposed within the one or more sockets and the assembly comprises a wired drill pipe (WDP). The socket surfaces comprise a hardness greater than the internal transition section.

Abstract: A bipartite transmission coupler assembly comprising a downhole tool such as a drill pipe having an axial bore comprising a bore wall. The bore wall comprising a first annular groove open to the bore. The coupler may comprise a cylinder comprising an outside wall and an inside wall separated by top and bottom walls. The top wall comprising an annular recess configured to house a transmission assembly. The outside wall comprising a second annular groove configured to align with the first annular groove when the cylinder is installed into the axial bore. An annular spring ring may be housed within the second annular groove such that when the grooves are aligned within the axial bore, the spring ring radially expands at least partially into the first annular groove, securing the elongate cylinder within the axial bore. The cylinder may be divided into a first part and a second part.

Abstract: A cylindrical tool string assembly for downhole data transmission comprises a cylinder comprising a transmission element such as an inductive coupler installed within a groove in its top surface connected to a transmission line housed within its exterior wall. The assembly includes a split spring ring housed within a groove formed in a bore wall of a tool string component such as a drill pipe or a downhole tool within the bottom hole assembly. The spring ring may be compressed and released when positioned within the groove. The spring ring provides a platform on which cylinder may be mounted. The split provides a passageway for the transmission line to exit the cylinder. The cylinder includes a recess in its top surface housing an extractor to facilitate removal of the cylinder. An anti-rotation lock between the cylinder and bore of the tool string component may prevent movement of the cylinder.

Abstract: A multi-use exercise equipment anchor system adapted for removably mounting in a tubular receptacle disposed in line with a vehicle's chassis or frame. The tubular receptacle may be disposed along the chassis' center line or offset parallel to the chassis' center line. The equipment anchor may comprise a tubular comprising a first end portion angularly joined to a second end portion. The first end portion being at least partially inserted into the tubular receptacle and the second end portion extending from the receptacle and diagonally descending away from the receptacle to a point adjacent the surface on which the vehicle resides. The second end portion may comprise openings and other means for attaching exercise equipment such as elastic bands, a battle rope, or a landmine to the equipment anchor. The anchor may comprise a tubular comprising a square cross section, a rectangular cross section, or a circular cross section.

Abstract: A tool string electrical transmission line connector comprising a cylinder adapted for mounting within a bore adjacent to a shoulder within the bore of a downhole tool. The cylinder comprising an inside axial side wall spaced apart from an outside axial side wall joining top and bottom surfaces. The connector further comprises an axial channel open to the outside axial side wall intersecting the bottom surface and a housing open to the outside axial side wall. The housing being open to the top surface. An electrical transmission line connector is disposed within the housing. An electrical transmission line is disposed within the axial channel and connected within the housing to an adjacent electrical transmission device. The axial channel further comprises one or more tab closures. The tab closures may comprise a clamp. When fitted into the bore, the tabs close around a cable residing within the channel.

Abstract: A tool string composite transmission element comprising a composite polymeric carrier comprising an electrical conductor embedded therein. The conductor may be connected to ground and to a cable and may be suitable for producing an electromagnetic field within the carrier when energized. The conductor may comprise a tab that may align with a slot within the carrier to prevent rotation of individual carrier fragments or segments strung along the conductor. The carrier may comprise a volume of MCEI particles sufficient to allow the carrier to transmit the electromagnet field to an adjacent carrier. The transmitted field may be used to convey data and power. The carrier may comprise an annular or linear configuration. Also, the carrier may comprise a bumper for securing the carrier within a groove within a tool within the tool string. The carrier may comprise a depression in its outer top surface above the electrical conductor.

Abstract: An electromagnetic core assembly for power and data transmission in a tool string for downhole construction and production comprising an annular mesh housing defining an annular open channel. A magnetically conductive electrically insulating, MCEI, core is disposed within the annular open channel. An annular electrical conductor is imbedded within the MCEI core, the electrical conductor being connected to ground and to a cable running through a downhole tool. The mesh housing may be at least partially electrically insulating and at least partially electrically conducting. The mesh housing may comprise a metal or a nonmetal or a fabric. The mesh housing may comprise MCEI elements. The mesh size of the housing may be sufficient to at least partially contain an electromagnetic field or flux emanating from the electrical conductor. The MCEI core may comprise a depression in its planar top surface above the electrical conductor. The core may comprise reinforcements.

Abstract: A system for transmitting data and power downhole includes an annular groove in a downhole tool such as a drill pipe shoulder or other tool body. A housing for an inductive coupler being disposed within the annular groove. The housing may be a metal ring or a polymeric ring suitable for downhole conditions. An annular MCEI trough may be located within the housing. The MCEI trough may comprise segments. One of the segments may comprise one or more perforations. An electrically conductive coil may be placed in the MCEI trough. The coil may comprise a transmission end and a groundable end. The groundable end may be connected to the tool body by a ground post through the perforations in the MCEI segments and the housing. The transmission end may be connected to a cable within the downhole tool through the other perforation in the MCEI trough and housing.

Abstract: An inductive coupler and method for a downhole tool such as a drill pipe comprising an electrically conductive ingot cast into a magnetically conducting electrically insulating (MCEI) annular mold. The MCEI mold may comprise an annular channel comprising a first perforation and one or more second perforations. The ingot may comprise first and seconds with sockets proximate the respective ends. The first perforation may comprise an electrical connection to a ground pin in the downhole tool. The one or more second perforations may comprise electrical connections to a similarly configured ingot within the downhole tool and to electrical equipment within the drill pipe. The ingot may further comprise cleats and flutes. The ingot may comprise an annular passageway around the interior of the ingot. The ingot may be sealed within the channel and each of the perforation may comprise a seal insolating the electrical connections from the downhole environment.

Abstract: A telemetry tool assembly for exploiting subsurface fluids and minerals through well construction and production. The assembly comprises a tube comprising a bore and a bore wall and first end and a second end. The respective ends each comprise internal and external upset portions welded to a pin end tool joint or box end tool joint, respectively. The upset portions comprise an internal and external conical transition section intermediate the respective tool joints and the tube. The internal conical transition section comprises at least one socket comprising a removeable cover and side and bottom surfaces within the internal conical transition section. The socket and cover comprise a seal between the cover and socket side walls. A sensor module comprising electrical equipment is disposed within the one or more sockets and the assembly comprises a wired drill pipe (WDP). The socket surfaces comprise a hardness greater than the internal transition section.

Abstract: A wired drill string assembly, comprising a plurality of drill pipes extending from a surface into a wellbore. The plurality of drill pipes comprising a coaxial wired transmission line. The assembly comprising a downhole tool comprising a body having a first threaded connector and a second threaded connector, the first threaded connector being connected to one of the plurality of drill pipes. The downhole tool including one or more electrical components comprising a sensor coupled to the body and a signal transmitter configured to transmit a signal representing a measurement taken by the sensor. A first coaxial transmission line extending along the body and electrically connected to the coaxial wired transmission line and with the one or more electrical components. The first transmission line is electrically connected to the transmission wire by a first physical electrical contact on at least a portion of a first removable connector thread flank.

Abstract: A transmission system comprising a tool comprising an annular groove. An inductive coupler comprising a housing disposed within the annular groove, and an annular MCEI trough within the housing. An annular coil wire being laid within the annular MCEI trough; the coil wire being connected to coaxial cable within the tool. The coaxial cable comprising a mesh reinforced polymeric composite dialectic material intermediate a center electrical conductor and an outer electrically conducting sheath. The dialectic material comprising MCEI fibers in sufficient volume to capture an electromagnetic field surrounding the center conductor and shield a signal being transmitted along the center conductor from outside electromagnetic interference. The center conductor may run through MCEI mesh reinforced beads embedded within the dialectic material. The coaxial cable may extend within the tool or to the opposite end of the tool with the center conductor being connected to a similarly configured inductive coupler.

Abstract: An inductively coupled drillstring includes a drillstring tool such as a drill pipe and other downhole tools. The drillstring tool comprises a threaded pin end comprising male helical threads and a threaded box end comprising female helical threads. The female helical threads comprise a bulbous thread root and a generally keyhole cross section. The male helical threads comprise a bulbous thread crest and a cross section complementary with the cross section of the female bulbous thread root. At least a portion of the female bulbous helical threads comprise at least a portion of a first helical inductive coupler, and at least a portion of the male bulbous helical threads comprise at least a portion of a second helical inductive coupler. When the male and female threads are engaged at least a portion of the respective first and second helical inductive couplers are opposed to each other within the drillstring.

Abstract: A modified tubular system for use in connection with the recovery of subsurface minerals and fluids. The tubulars may include drill pipes, risers, production tubing, and tools integrated into such tubulars. Such tubulars may be interconnected using tool joints or threaded tubular sections. Some tool joints may comprise annular shoulders. The shoulders may comprise an annular groove for housing an inductive coupler that may include magnetically conductive electrically insulating (MCEI) trough and an electrically conductive coil laid within the trough. An axial passageway formed in the shoulder may open into the groove. The passageway may comprise flutes. The flutes maybe formed in the wall of the passageway or added to the passageway as an insert or as part of a passageway liner. A fluted transmission line may be disposed within the passageway. The transmission line and liner flutes may mate with the passageway flutes. The liner may be hardened.

Abstract: A downhole network includes a tool string such as a drill string or marine riser. The tool string may comprise components in communication with a surface control unit, SCU, storing executable code associated with the downhole tool string components. A downhole network may be in communication with the SCU and the downhole tool string components. The SCU may be in communication with a surface multi-network controller which is in communication with the downhole network and in communication with a remote downhole tool string, a remote downhole network, and a remote tool string component. The remote downhole tool string or marine riser may comprise a plurality of interconnected wired tubulars. The wired tubulars may comprise inductive couplers comprising reinforced MCEI troughs. The surface multi-network controller may be in communication with a mobile device comprising a restricted subscriber identification module (SIM). The SIM may restrict communications to the respective downhole networks.

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: A downhole tubular which may include a drill pipe, or a portion of a drill pipe or other downhole tool or riser, comprising a threaded pin end and a threaded box end as well as one or more annular shoulders circumscribing the pin end and the box end adjacent to the respective threads. The annular shoulders each comprising an annular groove within the annular shoulders coaxial with the respective annular shoulders, the respective annular grooves comprising side and bottom groove walls. The groove walls may have a hardness as measured on a Rockwell C scale greater than the respective annular shoulders proximate the respective annular grooves. A magnetically conductive electrically insulating (MCEI) U-shaped annular trough may be disposed within the annular grooves. An electrically conductive wire coil may be disposed within the MCEI U-shaped annular trough comprising a transmission end and a ground end to aid in downhole communication.

Abstract: A lineable tubular for use in subterranean exploration and production, such as oil, gas, and geothermal wells. The tubular may be part of a downhole tool string, including drill pipe and related downhole tools that may be found in the bottom hole assembly. The tubular may comprise a modified interior surface along its bore wall. The modified surface may comprise hard particles, rifling, threads, ridges and grooves, sand and ceramic grit, and knurling. The modified surface may aid in securing a liner within the tubular. The tubular may include connectable ends with box and pin end tool joints. The tool joints may be attached to an upset end of the tubular. The modified surface may run the length of the tubular or it may be restricted to the upset ends of the tubular and the respective tool joints. The tubular may comprise a seal gland within the tool joints.