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Class Information
Number: 340/853.1
Name: Communications: electrical > Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.)
Description: Subject matter wherein an information or control signal is transmitted to or from equipment located in an opening into the earth, for a well or wellbore, over an information transmission link.










Sub-classes under this class:

Class Number Class Name Patents
340/853.2 Diagnostic monitoring or detecting operation of communications equipment or signal 147
340/856.1 In horizontal or inclined passage arrangement 23
340/853.9 Including detail of subsurface signal storage (e.g., memory, recorder, register, etc.) 44
340/856.3 Including particular sensor 54
340/855.8 Including specified power transmission feature or source (e.g., battery, etc.) 64
340/855.7 Modification of signal bandwidth, frequency, or circuit impedance at subsurface location 46
340/855.3 Multiplexed signals 71
340/855.4 Pulse or digital signal transmission 104
340/853.7 Repeater in subsurface link (e.g., cable, etc.) 56
340/853.3 Selective control of subsurface equipment 172
340/854.3 Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) 164
340/856.2 With expandable or inflatable sensor element or mounting 24
340/853.8 With orientation sensing of subsurface telemetering equipment (other than drilling equipment) 44
340/854.1 With position or depth recording (e.g., line payout, equipment locator, etc.) 55


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8711045 Downhole telemetry system Apr. 29, 2014
8705318 Data aggregation for drilling operations Apr. 22, 2014
8689906 Methods and apparatus for reducing stick-slip Apr. 8, 2014
8692668 Network based system for predicting landslides and providing early warnings Apr. 8, 2014
8692685 Wellsite communication system and method Apr. 8, 2014
8682102 Cyclic noise removal in borehole imaging Mar. 25, 2014
8655104 Cyclic noise removal in borehole imaging Feb. 18, 2014
8629782 System and method for using dual telemetry Jan. 14, 2014
8615217 Methods, systems, and computer readable media for detecting and mitigating fraud in a distributed monitoring system that includes fixed-location monitoring devices Dec. 24, 2013
8602108 Subsea tree safety control system Dec. 10, 2013
8588192 System and method for forming application dependent dynamic data packet in wireless sensor networks Nov. 19, 2013
8581740 Method and apparatus for communicating signals to an instrument in a wellbore Nov. 12, 2013
8581741 Communication system for a hydrocarbon extraction plant Nov. 12, 2013
8577359 System and method for remote asset management Nov. 5, 2013
8577358 System and method for remote asset management Nov. 5, 2013
8555976 Emergency disconnect sequence timer display and method Oct. 15, 2013
8537027 Method for controlling an electronic device and electronic device Sep. 17, 2013
8519865 Downhole coils Aug. 27, 2013
8517113 Remotely actuating a valve Aug. 27, 2013
8517112 System and method for subsea control and monitoring Aug. 27, 2013
8514098 Synchronization between devices Aug. 20, 2013
8502696 Dual wellbore telemetry system and method Aug. 6, 2013
8504007 System and method for remote asset management Aug. 6, 2013
8467907 Automated valve with self-contained valve actuator system Jun. 18, 2013
8467268 Pressure release encoding system for communicating downhole information through a wellbore to a surface location Jun. 18, 2013
8464946 Oil and gas riser spider with low frequency antenna apparatus and method Jun. 18, 2013
8462012 Anti-collision method for drilling wells Jun. 11, 2013
8457622 System and method for remote asset management Jun. 4, 2013
8451136 Sonde attachment means May. 28, 2013
8446291 Methods and systems for borehole telemetry May. 21, 2013
8437220 Parallel-path acoustic telemetry isolation system and method May. 7, 2013
8400326 Instrumentation of appraisal well for telemetry Mar. 19, 2013
8378840 Surface communication device and method for downhole tool Feb. 19, 2013
8378843 System and method to provide value added services in an asset network Feb. 19, 2013
8358220 Wellbore communication, downhole module, and method for communicating Jan. 22, 2013
8354939 Wellbore casing mounted device for determination of fracture geometry and method for using same Jan. 15, 2013
8350715 Pulse signaling for downhole telemetry Jan. 8, 2013
8334786 Down-hole wireless communication system Dec. 18, 2012
8330615 Power supply system for downhole network Dec. 11, 2012
8330616 Well test system to control well processes based on quantity measurements Dec. 11, 2012
8302685 Mud pulse telemetry data modulation technique Nov. 6, 2012
8286728 System and method for communicating about a wellsite Oct. 16, 2012
8284074 Method of determination of a stuck point in drill pipes by measuring the magnetic permeability of pipes Oct. 9, 2012
8274400 Methods and systems for downhole telemetry Sep. 25, 2012
8269648 System and method to remotely interact with nano devices in an oil well and/or water reservoir using electromagnetic transmission Sep. 18, 2012
8258975 Communication system for communication with and remote activation of downhole tools and devices used in association with wells for production of hydrocarbons Sep. 4, 2012
8253584 Electric dipole transmission system Aug. 28, 2012
8237585 Wireless communication system and method Aug. 7, 2012
8232892 Method and system for operating a well service rig Jul. 31, 2012
8208478 Communications system for an underwater fluid extraction facility Jun. 26, 2012

1 2 3 4 5










 
 
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