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| Number | Title | Issue Date |
| 7980874 | Connector including isolated conductive paths 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 connec... | 07/19/2011 |
| 7648378 | Pipestring comprising composite pipe segments 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 l... | 01/19/2010 |
| 7572134 | Centering assembly for an electric downhole connection 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 b... | 08/11/2009 |
| 7462051 | Wiper for tool string direct electrical connection 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 assemb... | 12/09/2008 |
| 7413021 | Method and conduit for transmitting signals 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... | 08/19/2008 |
| 7404725 | Wiper for tool string direct electrical connection 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 assemb... | 07/29/2008 |
| 7402059 | Connection-continuity-controlled system for fluidtight connection of two pipes 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 co... | 07/22/2008 |
| 7390032 | Tubing joint of multiple orientations containing electrical wiring 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... | 06/24/2008 |
| 7362235 | Impedance-matched drilling telemetry system A downhole telemetry system that uses inductance or capacitance as a mode through which signal is communicated across joints between assembled lengths of pipe wherein efficiency of signal propagation through a drill string, for example, over multiple successive pipe... | 04/22/2008 |
| 7336199 | Inductive coupling system 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 ma... | 02/26/2008 |
| 7334630 | Closed-loop microchannel cooling system Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r... | 02/26/2008 |
| 7326015 | Electrically insulated wedge thread connection An electrically-insulative threaded connection includes a pin member having a pin thread and a box member having a box thread. An insulating composite layer is disposed between the pin thread and the box thread. The insulating composite layer includes an insulating ... | 02/05/2008 |
| 7291028 | Actuated electric connection A downhole connection in a tool string has a first transmission path in a first tubular component and a second transmission path in a second tubular component coaxial with the first tubular component. The first transmission path has an electrically conductive pin at... | 11/06/2007 |
| 7275961 | Rugged, removable, electronic device An apparatus is disclosed, including a rugged electrical connector supporting an external bus protocol including a power signal; a backshell canister mated to the electrical connector; an active electronic component housed in the canister; and an electrical connecti... | 10/02/2007 |
| 7277025 | Telescopic data coupler A data coupler for use in transmitting data between mechanical parts which have a common axis and which are in relatively close engagement. The parts are adjustable relative to the other along the common axis. The data coupler includes an elongate housing having a l... | 10/02/2007 |
| 7258161 | Cooling system for densely packed electronic components A more efficient cooling system for densely packed electronic components for use in an out-of-doors equipment enclosure. An array of cooling assemblies are placed on heat generating components mounted to printed circuit boards mounted in enclosure racks. Each board ... | 08/21/2007 |
| 7253671 | Apparatus and method for compensating for clock drift in downhole drilling components A precise downhole clock that compensates for drift includes a prescaler configured to receive electrical pulses from an oscillator. The prescaler is configured to output a series of clock pulses. The prescaler outputs each clock pulse after counting a preloaded num... | 08/07/2007 |
| 7249968 | Electrical connections for harsh conditions Apparatuses are provided which basically comprise a socket which has at least two contiguous passages formed therein which are adapted to receive exposed wire and/or insulated wire. Bonding materials and crimp joints, alone or in combination, are provided to further... | 07/31/2007 |
| 7247056 | Rugged, removable, electronic device An apparatus is disclosed, including a rugged electrical connector supporting an external bus protocol including a power signal; a backshell canister mated to the electrical connector; an active electronic component housed in the canister; and an electrical connecti... | 07/24/2007 |
| 7237626 | Tool module connector for use in directional drilling A tool module interconnect (10) for interconnecting to adjoining modules for insertion in a drill string features a system which permits making the electrical interconnection before assembly of the mechanical connections to interconnect the tool modules toget... | 07/03/2007 |
| 7226090 | Rod and tubing joint of multiple orientations containing electrical wiring A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comp... | 06/05/2007 |
| 7224288 | Link module for a downhole drilling network A repeater is disclosed in one embodiment of the present invention as including a cylindrical housing, characterized by a proximal end and a distal end, and having a substantially cylindrical wall, the cylindrical wall defining a central bore passing therethrough. T... | 05/29/2007 |
| 7219752 | System and method for damping vibration in a drill string A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define... | 05/22/2007 |
| 7201240 | Biased insert for installing data transmission components in downhole drilling pipe An apparatus for installing data transmission hardware in downhole tools includes an insert insertable into the box end or pin end of drill tool, such as a section of drill pipe. The insert typically includes a mount portion and a slide portion. A data transmission ... | 04/10/2007 |
| 7201239 | Power-generating device for use in drilling operations A preferred embodiment of a power-generating device for use in drilling operations comprises a turbine comprising a housing, and a rotor assembly rotatably coupled to the housing so that the rotor assembly rotates in response to the passage of drilling mud therethro... | 04/10/2007 |
| 7193527 | Swivel assembly A swivel assembly for a downhole tool string comprises a first and second coaxial housing cooperatively arranged. The first housing comprises a first transmission element in communication with surface equipment. The second housing comprises a second transmission ele... | 03/20/2007 |
| 7191966 | Universal flexible powder coating tip/nozzle This Universal Flexible Powder Coating Tip/Nozzle (7) will greatly enhance the application of Powder Coating coverage in hard to reach area's do to the ability to bend the flexible tip/nozzle (7) & (10) to reach into those difficult to reach are... | 03/20/2007 |
| 7180825 | Downhole telemetry system for wired tubing A communications system employing discrete multi-tone (“DMT”) modulated signals on a communications channel formed by inductively-coupled pipe. In one embodiment, the communications system includes a string of wired pipe joints that couple a transmitter to a rec... | 02/20/2007 |
| 7168510 | Electrical transmission apparatus through rotating tubular members The present invention provides an apparatus for the communication of power or data signals across the rotating gap of two tubular members, such as the stator and rotor of a mud motor, and between said rotating members of a drill string through inductive couplers loc... | 01/30/2007 |
| 7156676 | Electrical contractors embedded in threaded connections Tubulars for transmitting data in a wellbore and threaded connections having electrical contactors embedded therein. The threaded connection includes a first contactor embedded in electrically insulating material within a first slot formed in the pin thread. A secon... | 01/02/2007 |
| 7154412 | High-power well logging method and apparatus A power delivery system for a wireline tool includes two independent power transmission loops operating on a standard six-conductor cable. The two loops each connect directly to a respective terminals of a DC auxiliary power supply. Each loop also couples through a ... | 12/26/2006 |
| 7154037 | Connector piece, fluid line and hydraulic device A connection union for a fluid line (11) containing a fluid duct (14) has at least one signal conductor (16a and 16b) in the wall (15) of the fluid line (11) for the transmission of electrical and/or optical si... | 12/26/2006 |
| 7134486 | Control of electrolysis gases in electroosmotic pump systems Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel... | 11/14/2006 |
| 7131486 | Electroosmotic microchannel cooling system Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel... | 11/07/2006 |
| 7116199 | Inductive coupler for downhole components and method for making same An inductive coupler for downhole components. The inductive coupler includes an annular housing having a recess defined by a bottom portion and two opposing side wall portions. At least one side wall portion includes a lip extending toward but not reaching the other... | 10/03/2006 |
| 7114970 | Electrical conducting system A generally tubular drill string has a conductive path over a plurality of drill pipe section (10). Each drill pipe section has a first end and a second end, and a wall, and the first end has a first radial sealing surfaces (11) and the second end has ... | 10/03/2006 |
| 7093654 | Downhole component with a pressure equalization passageway The present invention includes a downhole component adapted for transmitting downhole data. The downhole component includes a threaded end on a downhole component. The threaded end furthermore includes an interior region, and exterior region, and a mating surface wh... | 08/22/2006 |
| 7083452 | Device and a method for electrical coupling A device for electrical coupling between a first and a second pipe section mechanically coupled to each other and forming a pipe adapted for transportation of a fluid. The first pipe section includes a first electric winding and the second pipe section includes a se... | 08/01/2006 |
| 7066750 | Connection piece for a fluid line A connection member for a fluid line (2) defining a fluid duct (5) with stranded signal conductors (7a and 7b) in the wall (4) thereof for the transmission of electrical signals. The connection member has a female soc... | 06/27/2006 |
| 7053788 | Transducer for downhole drilling components A robust transmission element for transmitting information between downhole tools, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The transmission element maintai... | 05/30/2006 |
