Abstract: A connector for use in connecting a communication element to a transmission line in a wired pipe segment includes a first female end adapted to surround and make electrical contact with a coupler connection that extends away from a communication element of the coupler; a second female end adapted to receive an inner conductor of a coaxial cable; and an inner connection element formed on an inner surface of the connector adapted to electrically connect the coupler connection and the inner conductor, the inner connection element formed such that it does not completely surround at least one of the inner conductor and the coupler connection.

Abstract: The invention relates to a reciprocating piston pump having a magnet drive and a first displacement chamber and a second displacement chamber, which are separated from each other by a piston, wherein both displacement chambers are connected to each other by a fluid-conducting channel. An overflow valve is arranged in the channel and allows a preferred flow from the first displacement chamber to the second displacement chamber, wherein an additional return valve is arranged either in a transition region between an inlet and the first displacement chamber or in a transition region between the second displacement chamber and an outlet, an armature of the magnet drive being firmly connected to the piston.

Abstract: A wired pipe coupler that carries at least a data signal includes a carrier having a plurality of electrical components disposed therein and one or more antennas supported by and spaced from the carrier, the one or more antennas being electrically coupled to the carrier through respective ones of the plurality of electrical components.

Abstract: A method of forming a wired pipe transmission line includes: providing an assembly that includes an inner conductor surrounded by an insulating material; attaching a fixation element to the assembly at or near an end thereof; providing a tubular outer conductor; disposing the assembly and the fixation element within the outer conductor; and fixedly attaching the fixation element to the inner portion of the tubular outer conductor.

Abstract: An apparatus for securing a transmission line in a downhole component includes: an element coupled to an exterior surface of the transmission line, the transmission line configured to be disposed in a communication conduit that extends through the downhole component, the element configured to restrict axial movement of the transmission line within the communication conduit.

Abstract: A method of forming a wired pipe transmission line includes: providing an assembly that includes an inner conductor surrounded by an insulating material; attaching a fixation element to the assembly at or near an end thereof; providing a tubular outer conductor; disposing the assembly and the fixation element within the outer conductor; and fixedly attaching the fixation element to the inner portion of the tubular outer conductor.

Abstract: A wired pipe transmission line for disposal in a wired pipe segment for use in subterranean drilling. The transmission line includes an assembly including an inner conductor and a dielectric layer including silicon dioxide (SiO2) insulating material surrounding the inner conductor and a protective layer that is formed of a rigid material and surrounding the dielectric layer. Also included is a method of forming a wired pipe transmission line.

Abstract: A sealed chamber for disposal in a wired pipe segment includes a base element, electronics supported in a chamber in the base element and a sealing layer that prevents the electronics inside the chamber from harmful gases and fluids, the sealing layer comprising a reactive multi-layer foil material (RMFM).

Abstract: A threaded tubular section includes a first tubular member made of a first material, the first tubular member including a threaded pin section. The section also includes a second tubular member made of a second material, the second tubular member including a threaded box section to mate with the threaded pin section. A pressure equalization device made of a third material is disposed between the first tubular member and the second tubular member, the pressure equalization device including one or more openings to equalize pressure in an interior of a thread connection of the first and the second tubular members with pressure in a bore or an annulus of the first and the second tubular members.

Abstract: A wired pipe segment includes an inner bore extending through the wired pipe segment and a transmission line channel forming a channel from outside the wired pipe segment to the inner bore and including an inlet into the inner bore. The inner bore includes a pocket formed in the inner bore proximate the inlet and an insert is disposed in the pocket that substantially fills the pocket.

Abstract: A wired pipe transmission line for disposal in a wired pipe segment. The line includes an assembly including an inner conductor and an insulating material surrounding the inner conductor and a protective layer that is formed of a continuous portion of a starting material spirally around the assembly.

Abstract: An electronics frame for a wired pipe drill string, including a housing arranged to be disposed within the wired pipe drill string. The housing includes a chamber formed therein and one or more electronic components disposed in the chamber. A shape memory element is disposed in the chamber. The shape memory element is transitionable in response to a transition stimulus between a first shape permitting positioning within the chamber and a second shape sealingly engagable with the housing to isolate the one or more electronic components from fluid. A method of isolating an electronic component is also included.

Abstract: An apparatus for communicating a signal downhole includes a downhole pipe configured to be coupled to another downhole pipe and a protection tube secured to the downhole pipe. A transmission line is disposed in the protection tube and configured to communicate the signal. A communication device is disposed in the downhole pipe and configured to communicate the signal to another downhole pipe. An end of the transmission line is configured to be axially movable with respect to the downhole pipe in order to have the end of the transmission line extending from the protection tube to establish a connection between the transmission line and the communication device.

Abstract: An electronic frame for use in a downhole component coupling mechanism in a segmented wired pipe system includes a first frame element including at least one retaining structure configured to retain an electronic component. The frame also includes a sealed chamber disposed in the frame element, the sealed chamber including inputs to receive input signals from communication elements and either couple the inputs together or direct the input signals to control electronics.

Abstract: An apparatus for communicating a signal downhole includes a drill pipe configured to be rotated to drill the borehole and a tube under axial tension and secured in the drill pipe, wherein the axial tension occurs at least with the drill pipe not under axial tension. The apparatus further includes a connector sleeve sealed to an end of the tube and configured to secure the tube under the axial tension to the drill pipe and to provide a sealing surface for a connector to seal to. The apparatus further includes a transmission line configured to communicate the signal. The transmission line is disposed in the tube and has a length greater than the length of the tube and extending past the connector sleeve.

Abstract: An apparatus for communicating a signal to or from a downhole tool includes a drill pipe configured to be rotated to drill a borehole, a tubular under axial tension and secured in the drill pipe, and a retention device secured to the tubular and configured to maintain the tubular under the axial tension. The retention device includes a portion extending from a body of the device in a direction that is non-inward-radial with respect to a longitudinal axis of the drill pipe. The apparatus further includes a transmission line disposed in the tubular and in an opening of the retention device and in communication with the downhole tool.

Abstract: A tubular section and a system including the tubular section are described. The tubular section includes 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: Disclosed is a method and assembly for providing tension to a transmission line in a pipe. The method includes inserting a transmission line into a transmission line channel of a pipe. The transmission line has a first end and a second end, the transmission line being inserted into a first end of the pipe second-end-first. The transmission line has a first tension-load-supporting mechanism attached to the first end of the transmission line. The method includes applying a first level of tension to the transmission line in the pipe and applying a second tension-load-supporting mechanism to the second end of the transmission line while the first level of tension is applied to the transmission line. The method further includes removing the first level of tension from the transmission line to maintain a second level of tension along the transmission line between the first and second tension-load-supporting mechanisms.

Abstract: An electronics frame for a wired pipe drill string, including a housing arranged to be disposed within the wired pipe drill string. The housing includes a chamber formed therein and one or more electronic components disposed in the chamber. A shape memory element is disposed in the chamber. The shape memory element is transitionable in response to a transition stimulus between a first shape permitting positioning within the chamber and a second shape sealingly engagable with the housing to isolate the one or more electronic components from fluid. A method of isolating an electronic component is also included.

Abstract: A wired pipe system includes a wired pipe segment having a first end and a second end, a first coupler in the first end and a second coupler in the second end and a transmission line disposed in the wired pipe segment between the first and second ends. The transmission line includes a transmission cable that includes an inner conductor and an insulating material disposed about the inner conductor as well as a a wire channel surrounding the insulating material and the inner conductor for at least a portion of a length of the transmission cable. The wire channel and the insulating material are mated together by at least one mating feature.