Matches 1 - 50 out of 137 1 2 3 >
Match Document Document Title
7385523 Apparatus and method for downhole well equipment and process management, identification, and operation  
A method for operating a downhole tool. The method includes moving an instrument through a wellbore, and the instrument includes a first non-acoustic transponder that is adapted to detect...
7348892 Pipe mounted telemetry receiver  
Methods and apparatus for receiving a telemetry signal with a receiver that is moveably disposed within a drillstring. In certain embodiments, the system comprises a surface module coupled to the...
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...
7327634 Rotary pulser for transmitting information to the surface from a drill string down hole in a well  
A rotary pulser for transmitting information to the surface from down hole in a well by generating pressure pulses encoded to contain information. The pressure pulses travel to the surface where...
7319638 Hydraulic oscillator for use in a transmitter valve  
An oscillating valve driven by the pressure in a mud pulser develops a pressure variation in the mud pulse signal that is at a frequency that is different than the frequencies of the mud system....
7315256 Magnetic signalling in pipelines  
Method systems and apparatus for signalling within pipelines. The systems methods and apparatus make use of a unit locatable within a tubular piece of metallic structure for the transmission and/or...
7295491 High impact communication and control system  
A system and method in accordance with the invention communicator remotely with remotely controllable down hole tools in a well bore at a drilling installation. At the surface, high energy pressure...
7283061 Method and system for performing operations and for improving production in wells  
A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device...
7283060 Control apparatus for automated downhole tools  
A method and apparatus for a computer controlled apparatus for use in wellbore completions. A touch-screen is provided that facilitates commands and information that is entered by an operator...
7280432 Oscillating shear valve for mud pulse telemetry  
An oscillating shear valve system for generating pressure fluctuations in a flowing drilling fluid comprising a stationary stator and an oscillating rotor, both with axial flow passages. The rotor...
7259688 Wireless reservoir production control  
A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network....
7253745 Corrosion-resistant downhole transmission system  
An apparatus in accordance with the invention may include a downhole tool and a data transmission path incorporated into the downhole tool. The data transmission path may include one or more...
7250873 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...
7249636 System and method for communicating along a wellbore  
A system and method is provided for communicating with a device disposed in a wellbore. Signals are communicated between a surface location and the device via a hardwired section of wellbore and a...
7248177 Down hole transmission system  
A transmission system in a downhole component comprises a data transmission element in both ends of the downhole component. Each data transmission element houses an electrically conducting coil in...
7245229 Drill string rotation encoding  
A method for communicating with a downhole device is provided. The method includes predefining an encoding language including codes understandable to the device, the codes represented in the...
7242317 Wireless well communication system and method  
Well data and production control commands are transmitted from a remote central data store to wells at a remote location with a well hopping system and method, preferably through a radio frequency...
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,...
7210856 Distributed temperature sensing in deep water subsea tree completions  
A deep water subsea tree completion having a distributed temperature sensing system. In a described embodiment, a method of installing an optical fiber in a well includes the steps of: conveying an...
7202797 System and a method for detecting, locating and discerning an approach towards a linear installation  
A system and a method for detecting, locating and identifying incidents of approaching a linear installation (e.g.—buried pipe line, railway, fence etc.), that includes plurality of sensing units...
7193525 Methods and apparatus for downhole inter-tool communication  
A method and apparatus for communicating between downhole tools without the necessity of routing the communication through a surface module. Communications sent by downhole tools are examined and...
7167101 Method and apparatus for telemetry  
A method and related apparatus for telemetry between downhole devices and surface devices. In particular, the methods and related apparatus may send a first datum of a first parameter in an...
7159654 Apparatus identification systems and methods  
A member having a body, the body having two spaced-apart ends, wave energizable identification apparatus which, in one aspect, is radio frequency identification apparatus with integrated circuit...
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...
7148812 System for use in controlling a hydrocarbon production well  
A system for use in controlling a hydrocarbon production well has a: computer at a control location remote from a well tree of the well. A processor at the well tree applies control signals to and...
7138929 Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling  
A method and system for telemetry through a compressible drilling fluid during underbalanced drilling is disclosed. A reflector ( 110 ) is positioned downstream from the gas inlet ( 84 ) and causes...
7132958 Downhole telemetry system using multiple uplink modes as data channels using discrete multi-tone modulation  
A method and a downhole telemetry system a downhole telemetry system using discrete multitone modulation for transmitting a data stream over a plurality of transmission modes is provided. The...
7123160 Method for triggering an action  
A method for triggering an action of at least one downhole device on a downhole network integrated into a downhole tool string synchronized to an event comprises determining latency, sending a...
7102532 Subsea communication  
Methods of subsea communication in which a cathodic protection anode is used as a transmitting antenna. The signals are received at a second location by two electrodes which are spaced apart by...
7098802 Signal connection for a downhole tool string  
A signal transmission connection for a tool string used in exploration and production of natural resources, namely: oil, gas, and geothermal energy resources. The connection comprises first and...
7096092 Methods and apparatus for remote real time oil field management  
A method of managing oil fields include installing oil field sensors, coupling them to a local CPU having memory, programming the CPU for data collection and data analysis, and coupling local oil...
7091877 Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion  
A logging tool includes a tool body; a simple transmitter comprising a single antenna disposed on the tool body; four simple receivers, each comprising a single antenna, disposed on the tool body...
7081831 Time-domain signal cancellation in downhole telemetry systems  
A downhole telemetry system having a surface transceiver, a cable, and a downhole transceiver coupled to the surface transceiver via the cable. The surface transceiver isolates an uplink signal...
7068182 Method and apparatus for mud pulse telemetry  
A method and related apparatus for telemetry between downhole devices and surface devices. In particular, the methods and related apparatus may send a first datum of a first parameter in an...
7064676 Downhole data transmission system  
A system for transmitting data through a string of downhole components. In one aspect, the system includes first and second magnetically conductive, electrically insulating elements at both ends of...
7046164 Method and system for well telemetry  
Methods and systems for borehole telemetry are disclosed. In one embodiment, a borehole telemetry system includes a coiled tubing string that is located in the borehole. A receiver is coupled to...
7027808 System and method for monitoring and control of wireless modules linked to assets  
A system and method for remote asset management is described which can provide the basis for a diverse product group including an improved remote location monitoring system, a means for...
7006009 Servicing system for wells  
A well servicing system includes a computer-based system that monitors pumping or other service operations at a well site and monitors deliveries and withdrawals of chemicals at a bulk storage...
6998998 High speed hazardous area communication with safety barriers  
A method and apparatus is disclosed for transmitting digital signals across safety transmission barrier. High data transfer rates are achieved for transfer from a safe certified device across the...
6995683 System and method for transmitting downhole data to the surface  
A system and method are disclosed that provide for transmitting data from a downhole location to the surface. In one embodiment, a communications medium provides data transfer capabilities to the...
6963290 Data recovery for pulse telemetry using pulse position modulation  
The specification discloses algorithms for error recovery in pulse position modulation-based mud pulse telemetry. More particularly, the specification discloses detection and attempted correction...
6961666 System for automatic collection and transport of readings from water, gas and electricity meters  
A system for automatic collection and transport of readings from water, gas and electricity meters wherein at least one receiver element and one element to transmit ( 1 ) define an ad-hoc wireless...
6954714 System and associated method for measuring communication data volume and type thereof  
It is an object of the invention to measure a communication data volume for each service type in measuring a communication data volume in a charging process and the like. The invention comprises a...
6943697 Reservoir management system and method  
An apparatus and a method for controlling oilfield production to improve efficiency includes a remote sensing unit that is placed within a subsurface formation, an antenna structure for...
6920085 Downlink telemetry system  
A downlink telemetry system providing improved apparatus and methods for communicating instructions via pressure pulses from surface equipment to a downhole assembly. The apparatus comprises a...
6914538 High-power well logging method and apparatus  
A system and method for downhole power delivery. In one embodiment, the system delivers computer-regulated downhole power voltages, and may be configured to customize signal waveforms and power...
6912177 Transmission of data in boreholes  
Data is transmitted along a borehole containing a drill stem ( 2 ) by means of a transmitter ( 6 ) which converts electric data signals to acoustic signals propagating along the drill stem ( 2 )....
6898149 Reprogrammable downhole telemetry and control system  
A reprogrammable data communications system for use in a gas or oil well borehole is disclosed. The borehole includes a casing and a piping structure therein and at least one downhole equipment...
6873267 Methods and apparatus for monitoring and controlling oil and gas production wells from a remote location  
The invention provides apparatus and methods for monitoring and controlling hydrocarbon production wells and/or injection wells from a remote location. The apparatus for monitoring and controlling...
6867706 Frequency regulation of an oscillator for use in MWD transmission  
An oscillating valve driven by the pressure in a mud pulser develops a pressure variation in the mud pulse signal that is at a frequency that is different than the frequencies of the mud system....
Matches 1 - 50 out of 137 1 2 3 >