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Match Document Document Title
9024777 Active compensation for mud telemetry modulator and turbine  
An arrangement having a piston configured to move along an axial pathway a rotating seal configured to seal an inside environment from an outside environment, the rotating seal configured to be...
9010461 Guide wire for ranging and subsurface broadcast telemetry  
A managed bulk drilling system that employs a guide wire for ranging and crosswell telemetry. Some system embodiments include multiple drilling assemblies operating in the vicinity of a reference...
9007232 Mud pulse telemetry noise reduction method  
A method for reducing noise in downhole fluid communications includes processing first and second received signals in combination with a strobe signal from an active pump to obtain pump signatures...
9007231 Synchronization of distributed measurements in a borehole  
A system and method to synchronize distributed measurements in a borehole are described. The system includes a plurality of wired segments coupled together by couplers and a plurality of nodes...
8982667 Acoustic telemetry stacked-ring wave delay isolator system and method  
A stacked-ring, slow-wave acoustic telemetry isolation system and method for use with tubular assemblies such as drillpipe or production tubing comprising an acoustic wave transmitter, the...
8981957 Method and apparatus for remotely controlling downhole tools using untethered mobile devices  
Remote operation of downhole tools in a subterranean wellbore is performed by inserting untethered, mobile devices sequentially into the wellbore. The mobile devices can include motive means,...
8981958 Electric field communication for short range data transmission in a borehole  
The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by...
8931549 Method and apparatus for a subterranean and marine-submersible electrical transmission system for oil and gas wells  
The present invention is directed towards methods of oil and gas well logging, monitoring, and the field of electrically powering submersible devices like electrical motors in oil and gas wells.
8922387 Tapered thread EM gap sub self-aligning means and method  
A generally three-part EM gap sub comprising a first conductive cylinder incorporating a male tapered threaded section, a second conductive cylinder incorporating female tapered threaded section,...
8902078 Systems and methods for well monitoring  
Devices capable of being disposed in a wellbore for outputting acoustical signals for monitoring downhole parameters are described. Receiving devices positioned remote from the devices and can...
8890710 Method and system of an electromagnetic telemetry  
An electromagnetic telemetry repeater. At least some of the illustrative embodiments are methods comprising inducing an electrical signal along a metallic tubular (the electrical signal carrying...
8872670 Compliance telemetry  
A communication system for communicating information with a compliant medium is disclosed, the communication device includes a constrained fluid, a valve, a modulator, a sensor and a demodulator....
8863861 Downhole telemetry apparatus and method  
A telemetry tool having position and direction sensors, a power supply, a signal receiver and a signal emitter is mounted in a drill string adjacent to a drill bit. A base unit at the surface...
8860583 Mud channel characterization over depth  
A system for optimizing a mud-pulse telemetry system, the system including: a plurality of sensors distributed along a drill string adapted for being disposed in a borehole, each sensor configured...
8842020 System and method for detecting casing in a formation using current  
The present disclosure is directed to systems and methods for relative positioning of wells. A method in accordance with an exemplary embodiment may include drilling a new well in a field having...
8824241 Method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location  
A method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location includes positioning a valve and a brake in a drilling mud...
8811118 Downhole noise cancellation in mud-pulse telemetry  
Pressure measurements are made using a pressure sensor in the proximity of the drillbit during drilling operations. A filtered version of the pressure measurements is provided to a pulser for a...
8810428 Electrical transmission between rotating and non-rotating members  
A rotary coupler for transferring electrical power and data between members is presented wherein the coupler has a first member having an internal surface, a first inductor positioned on the...
8792304 Downlinking communication system and method using signal transition detection  
A downlinking signal is transmitted downhole from the surface using drilling fluid as the communications medium. The downlinking signal includes at least a synchronization phase and a command...
8791832 Apparatus, system, and method for communicating while logging with wired drill pipe  
Aspects of the inventions generally provide a method and apparatus for coupling a communication sub to a wired drill pipe. In one aspect, a surface of a coupler head is non threaded and configured...
8779932 Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system  
Systems and methods for visually indicating an engagement status of a submerged subsea connector are provided. An example of a system includes a measurement device positioned to provide a signal...
8773278 Apparatus for receiving and transmitting signals in electromagnetic telemetry system used in a wellbore  
A downhole electromagnetic telemetry unit for use with a tubing string (5) includes an insulated electrically conductive member (31) and a processing unit (15). The insulated electrically...
8749399 System and method for downhole telemetry  
A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output...
8629782 System and method for using dual telemetry  
A system and a method use dual telemetry for tools located in a wellbore. A first telemetry system and a second telemetry system coordinate communication with the tools. Both the first telemetry...
8611074 User interface mounting module and method to mount a user interface on a UPS  
A mechanism for adjusting the orientation of a user interface of an electronic system component from a rack mounted orientation to a tower orientation.
8581740 Method and apparatus for communicating signals to an instrument in a wellbore  
A method for communicating a signal to an instrument in a wellbore includes axially accelerating the instrument in a preselected pattern of acceleration. The predetermined pattern corresponds to...
8559272 Acoustic logging while drilling tool having raised transducers  
An acoustic logging while drilling tool includes an acoustic transmitter and a linear array of acoustic receivers. At least one of the transmitter and the linear array of receivers is deployed on...
8547245 System and method for downhole telemetry  
A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output...
8547246 Telemetry system for slickline enabling real time logging  
A system for communicating with a slickline tool is disclosed. The system includes a closed-loop electrical circuit including a surface module, a forward path, a tool, and a return path. The...
8525690 Synchronized telemetry from a rotating element  
A top drive assembly may comprise a drive motor that provides rotational torque to a drill string for driving the drill string into the earth. A sensor and a transmitter may be located on a...
8517113 Remotely actuating a valve  
A technique that is usable with a subterranean well includes communicating a wireless stimulus in the well. The technique includes actuating a valve in response to the communication. The valve has...
8514657 Generating fluid telemetry  
A downhole tool includes a tool body, stator, and rotor. The tool body is aligned along a tool centerline and includes an aperture therethrough operable to pass a fluid to an exterior of the body....
8472282 Method and apparatus for acoustic data transmission in a subterranean well  
The disclosure describes a method and apparatus for effectively communicating data along an acoustic transmission path. The method comprises driving an acoustic transmitter to send a data signal...
8467268 Pressure release encoding system for communicating downhole information through a wellbore to a surface location  
A pressure release encoding system for communicating downhole information through a wellbore to a surface location include a downhole tool with a valve for providing a fluid restriction to fluid...
8462013 Apparatus, system, and method for communicating while logging with wired drill pipe  
Aspects of the inventions generally provide a method and apparatus for coupling a communication sub to a wired drill pipe. In one aspect, a surface of a coupler head is non threaded and configured...
8416098 Acoustic communication apparatus for use with downhole tools  
Acoustic communication apparatus for use with downhole tools are described. An example acoustic communication apparatus for use in a wellbore includes a first acoustic transducer to generate first...
8378840 Surface communication device and method for downhole tool  
A device for communicating with a downhole measurement tool includes a processor module comprising a set of commands and configured to issue a command from the set to the downhole tool and receive...
8368553 Fracturing monitoring within a treatment well  
A method includes receiving a signal from a sensor that is positioned within a well bore during a hydraulic fracturing operation. A noise canceling operation is performed on the received signal to...
8362916 Methods and systems for borehole telemetry  
Methods and systems for borehole telemetry utilizing a tool configured or designed for deployment in a borehole traversing a subterranean formation. The tool includes a downhole telemetry module;...
8354939 Wellbore casing mounted device for determination of fracture geometry and method for using same  
A logging system and method for measuring propped fractures and down-hole subterranean formation conditions including: a radar source; an optical source; an optical modulator for modulating an...
8339277 Communication via fluid pressure modulation  
In some embodiments, an apparatus [100] and a system, as well as a method and an article, may operate to transmit downhole data in a drilling fluid via fluid pressure modulation, and receive the...
8330615 Power supply system for downhole network  
An electric system for measurement and control in an oil/gas well using transmission of electric signals and supply of electric power. The system is provided with a current loop having an...
8330617 Wireless power and telemetry transmission between connections of well completions  
An intelligent well system may include a first main bore transmission assembly disposed in a main bore and a first lateral bore transmission assembly disposed in a lateral bore. The first main...
8322428 Casing hanger nesting indicator  
A casing hanger nesting indicator generates a signal to notify personnel on the surface that a wellhead member has properly landed on a predetermined surface within the wellbore. The casing hanger...
8310200 Inductive chargers and inductive charging systems for portable electronic devices  
An apparatus is provided for wirelessly charging a portable electronic device. An embodiment of the apparatus includes an inductive charger with a housing having an internal compartment, wherein...
8258975 Communication system for communication with and remote activation of downhole tools and devices used in association with wells for production of hydrocarbons  
A system for communicating with downhole tools and devices is disclosed. The system includes multiple communication devices which, in combination, permit operators at the surface to operate...
8217621 Frequency modulation type wireless power supply and charger system  
A frequency modulation type wireless power supply and charger system includes a power supply base unit consisting of a first microprocessor, a power circuit, a power switch driver circuit, a first...
8203908 Intelligent efficient servo-actuator for a downhole pulser  
An improved energy efficient intelligent pulser driver used for generating a mud pulse in a MWD (measurement while drilling) application. In the pulser driver, a direct current (DC) powered...
8203461 Long distance power transfer coupler for wellbore applications  
A long distance power transfer coupler for wellbore applications system uses two or more wireless modules, each wireless module comprises a self-resonant coil, to transmit energy within a...
8174404 Downlink pulser for mud pulse telemetry  
A mud pulse telemetry system comprises a surface located fluid supply line having a drilling fluid flowing therein. A non-venting pulser is disposed in the drilling fluid in the supply line, and...

Matches 1 - 50 out of 190 1 2 3 4 >