Matches 1 - 50 out of 211 1 2 3 4 5 >


Match Document Document Title
9013322 Real-time onsite internet communication with well manager for constant well optimization  
An apparatus and method for well control and monitoring including an independent web server computer integrated with a pump controller located at each well in an oil field. The well controller...
9004161 Apparatus and methods for real time communication in drill strings  
A drill pipe made according to one embodiment includes a number of serially connected tubulars with a communication device placed between the connecting ends of the tubulars, wherein the...
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...
9000940 Drill string inground isolator in an MWD system and associated method  
An inground isolator and associated method can provide an electrically isolated break in a drill string using electrical insulating members/isolators that are supported by a housing. During drill...
9000941 Alternating frequency time domain approach to calculate the forced response of drill strings  
A method for estimating a steady state response of a drill string in a borehole includes calculating a first displacement of the drill string in a frequency domain for a first excitation force...
9000939 Mud powered inertia drive oscillating pulser  
A mud pulse telemetry tool is used in a drill string that has a drilling fluid flowing inside. The mud pulse telemetry tool may include a pulser disposed in the drill string and a drive system for...
8994550 Transmitter and receiver synchronization for wireless telemetry systems  
A method and system are presented for transmitting data along tubing in a borehole, comprising generating an acoustic signal using a transmitter at a first location on the tubing, and receiving...
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...
8936039 Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes  
A communication apparatus, an air conditioning system having the same, and a communication method for the air conditioning system using a refrigerant pipe are provided. The refrigerant pipe may be...
8928488 Signal propagation across gaps  
In some embodiments, an apparatus and a system, as well as a method and an article, may operate to monitor a first condition associated with transmitting or receiving a signal in a formation or on...
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,...
8899347 System and method of using a saver sub in a drilling system  
A technique facilitates the drilling of a wellbore by enhancing the ability to relay data. The system comprises a saver sub designed to connect a top drive unit with a wired drill pipe without...
8880261 Electrically driven vehicle  
An electrically driven vehicle equipped with electric motors (1, 4) for driving or braking drive wheels (3, 6), and an electric motor controller (33) for controlling the electric motors includes:...
8866632 Method for communicating with logging tools  
A method of communication from the surface with to the downhole logging tool string is disclosed. The method includes movement of the drill pipe string up or down at the surface to create coded...
8833472 Methods and apparatus for transmission of telemetry data  
A system for signal transmission along a drill string is disclosed. A first drill pipe section and a second drill pipe section each comprise an inner pipe. A first repeater sub is coupled to the...
8833489 Method and system for transferring signals through a drill pipe system  
The present invention relates to a system for transferring signals through a drill pipe system during drilling of a subsurface well. The drill pipe system comprises a first pipe (1) provided...
8704677 Reliable downhole data transmission system  
A downhole signal transmission system provides electric radiofrequency signals that are coupled to electrically conductive or non-conductive fluids through electrical insulators. A plurality of...
8665109 Wired drill pipe connection for single shouldered application and BHA elements  
A method and apparatus for transmitting data across a tool joint connection. In one embodiment, the system includes a first data transmission element connected to a first downhole component, a...
8660595 Communication arrangement for transmission of communication signals along a pipe line  
It is disclosed a communication arrangement for transmission of communication signals along a pipe line where the communication arrangement comprises: a pipe with outer pipe walls made of a...
8648733 Electromagnetic telemetry assembly with protected antenna  
Oilfield drilling utilizes downhole data transmitted to surface for formation evaluation and steering of directional wellbores. A leading technology in providing subsurface to surface...
8605548 Bi-directional wireless acoustic telemetry methods and systems for communicating data along a pipe  
A bi-directional acoustic telemetry system is presented for communicating data and/or control signals between a first modem and a second modem along tubing. The system includes a communication...
8570832 Variable throat venturi flow meter having a plurality of section-varying elements  
An acoustic transceiver assembly including a housing, an oscillator, and a blocking element. The housing has at least one inner wall defining a cavity. The cavity has a first end and a second end...
8502696 Dual wellbore telemetry system and method  
A method of signal processing includes providing at least a first pressure sensor and a second pressure sensor spaced in a drilling system and using an algorithm to separate the downwardly...
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...
8344905 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...
8339276 Monoconductor data-power transmission  
Apparatus and systems, as well as methods, operate to acquire downhole data associated with a borehole casing, process a portion of the downhole data at a downhole location to provide processed...
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...
8305229 System for wireless communication along a drill string  
A wireless communication and drill string telemetry system. The communication system is used for communicating information along a drill string between a boring tool and a boring machine. An...
8284075 Apparatus and methods for self-powered communication and sensor network  
A measurement and communication system for use with a tubular string, comprises a tubular string having a plurality of self-powered, autonomous telemetry stations disposed at predetermined...
8278930 Deep MWD resistivity measurements using EM shielding  
Structure for deep MWD resistivity measurements suitable for both geo-steering and measurements ahead of the drill bit is disclosed. Alternating current is transmitted through a loop and an...
8270251 Acoustic isolator  
An acoustic isolator for use with tubular assemblies such as drillpipe or production tubing comprising an acoustic wave transmitter, the acoustic isolator comprising, in series connection, an odd...
8258976 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...
8242929 Wireless drill string telemetry  
A communication module for transfer of information along a drill string has at least one antenna coil, wherein the communication module is configured such that a central coil axis of the antenna...
8242928 Reliable downhole data transmission system  
A downhole signal transmission system provides electric radiofrequency signals that are coupled to electrically conductive or non-conductive fluids through electrical insulators. A plurality of...
8179278 Downhole communication devices and methods of use  
A downhole communication device comprises a first energy harvesting device; a downhole transceiver in communication with the first energy harvesting device; an accumulator in communication with...
8164475 Downhole communication  
A downhole signal receiving system where a pair of setting devices (51) are used to electrically connect with downhole structure and are connected to one another by a bulk conductor (52). Signals...
8164476 Wellbore telemetry system and method  
A hybrid telemetry system for passing signals between a surface control unit and a downhole tool is provided. The downhole tool is deployed via a drill string into a wellbore penetrating a...
8164980 Methods and apparatuses for data collection and communication in drill string components  
A drill string component includes a box-end and a pin-end. Each end includes a signal transceiver, which are operably coupled together. Each signal transceiver communicates with another signal...
8134476 Apparatus and methods for self-powered communication and sensor network  
A system for communicating between a first location and a second location comprises a jointed tubular string having a first section and a second section connected at a connection joint, with the...
8120509 MWD data transmission  
An MWD data transmission system and method for determining and transmitting the environmental properties of the downhole borehole assembly (BHA) to surface data receivers via mud pulse telemetry,...
8111171 Wellbore telemetry and noise cancellation systems and methods for the same  
A method of signal processing includes providing at least a first pressure sensor and a second pressure sensor spaced in a drilling system and using an algorithm to separate the downwardly...
8040755 Wired pipe depth measurement system  
A method and apparatus for estimating a change in length of a wellbore conveyance device in a wellbore. A reference signal is sent along a first path and a wellbore signal having a phase...
8031081 Wireless telemetry between wellbore tools  
An embodiment of a wireless telemetry system for providing signal communication across a wired-communication gap in a bottom-hole assembly (“BHA”), the BHA having an upper portion and a lower...
8022840 Telemetry transmitter optimization using time domain reflectometry  
A method for enhancing downhole telemetry performance comprising enhancing a signal in order to offset signal-to-noise ratio reduction with increasing measured depth, wherein the signal is...
8009511 Pressure waves decoupling with two transducers  
A telemetry system for communication in a borehole uses two spaced-apart transducers. The outputs from the two transducers are filtered to decoupled tool signals traveling in opposite directions....
8004421 Wellbore telemetry and noise cancellation systems and method for the same  
A method of signal processing includes providing at least a first pressure sensor and a second pressure sensor spaced in a drilling system and using an algorithm to separate the downwardly...
7990282 Borehole telemetry system  
An acoustic telemetry apparatus and methods for communicating digital data from a down-hole location through a borehole to the surface or between locations within the borehole are described...
7932834 Data relay system for instrument and controller attached to a drill string  
A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a...
7928861 Telemetry wave detection apparatus and method  
Non-contacting means of measuring the material velocities of harmonic acoustic telemetry waves travelling along the wall of drillpipe, production tubing or coiled tubing are disclosed. Also...
7913773 Bidirectional drill string telemetry for measuring and drilling control  
The disclosure has application for use in conjunction with an operation of drilling an earth borehole using: a drilling rig, a drill string having its generally upper end mechanically coupleable...

Matches 1 - 50 out of 211 1 2 3 4 5 >