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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 |
92 |
| 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.) |
40 |
| 340/856.3 |
Including particular sensor |
40 |
| 340/855.8 |
Including specified power transmission feature or source (e.g., battery, etc.) |
46 |
| 340/855.7 |
Modification of signal bandwidth, frequency, or circuit impedance at subsurface location |
31 |
| 340/855.3 |
Multiplexed signals |
56 |
| 340/855.4 |
Pulse or digital signal transmission |
76 |
| 340/853.7 |
Repeater in subsurface link (e.g., cable, etc.) |
41 |
| 340/853.3 |
Selective control of subsurface equipment |
126 |
| 340/854.3 |
Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) |
109 |
| 340/856.2 |
With expandable or inflatable sensor element or mounting |
23 |
| 340/853.8 |
With orientation sensing of subsurface telemetering equipment (other than drilling equipment) |
38 |
| 340/854.1 |
With position or depth recording (e.g., line payout, equipment locator, etc.) |
40 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619516 |
Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith |
Nov. 17, 2009 |
| 7619540 |
Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion |
Nov. 17, 2009 |
| 7580797 |
Subsurface layer and reservoir parameter measurements |
Aug. 25, 2009 |
| 7570175 |
Node discovery in physically segmented logical token network |
Aug. 4, 2009 |
| 7558564 |
System and method for remote asset management |
Jul. 7, 2009 |
| 7546209 |
Formation dip geo-steering method |
Jun. 9, 2009 |
| 7539279 |
Logarithmic spectrum transmitter waveform for controlled-source electromagnetic surveying |
May. 26, 2009 |
| 7532129 |
Apparatus and methods for conveying and operating analytical instrumentation within a well borehole |
May. 12, 2009 |
| 7526930 |
Method system and program storage device for synchronizing displays relative to a point in time |
May. 5, 2009 |
| 7518526 |
Method and system for displaying scanning data for oil well tubing based on scanning speed |
Apr. 14, 2009 |
| 7490428 |
High performance communication system |
Feb. 17, 2009 |
| 7484625 |
Shale shakers and screens with identification apparatuses |
Feb. 3, 2009 |
| 7480207 |
Filtering and detection of telemetry |
Jan. 20, 2009 |
| 7477160 |
Wireless communications associated with a wellbore |
Jan. 13, 2009 |
| 7453768 |
High-speed, downhole, cross well measurement system |
Nov. 18, 2008 |
| 7450053 |
Logging device with down-hole transceiver for operation in extreme temperatures |
Nov. 11, 2008 |
| 7443312 |
Downhole telemetry system having discrete multi-tone modulation with QAM fallback |
Oct. 28, 2008 |
| 7424176 |
Optical fiber termination apparatus and methods of use, and optical fiber termination process |
Sep. 9, 2008 |
| 7416028 |
Telemetry system for the bi-directional communication of data between a well point and a terminal unit situated on the surface |
Aug. 26, 2008 |
| 7400262 |
Apparatus and methods for self-powered communication and sensor network |
Jul. 15, 2008 |
| 7400263 |
Method and system for performing operations and for improving production in wells |
Jul. 15, 2008 |
| 7385523 |
Apparatus and method for downhole well equipment and process management, identification, and operation |
Jun. 10, 2008 |
| 7348892 |
Pipe mounted telemetry receiver |
Mar. 25, 2008 |
| 7336199 |
Inductive coupling system |
Feb. 26, 2008 |
| 7327634 |
Rotary pulser for transmitting information to the surface from a drill string down hole in a well |
Feb. 5, 2008 |
| 7319638 |
Hydraulic oscillator for use in a transmitter valve |
Jan. 15, 2008 |
| 7315256 |
Magnetic signalling in pipelines |
Jan. 1, 2008 |
| 7295491 |
High impact communication and control system |
Nov. 13, 2007 |
| 7283060 |
Control apparatus for automated downhole tools |
Oct. 16, 2007 |
| 7283061 |
Method and system for performing operations and for improving production in wells |
Oct. 16, 2007 |
| 7280432 |
Oscillating shear valve for mud pulse telemetry |
Oct. 9, 2007 |
| 7259688 |
Wireless reservoir production control |
Aug. 21, 2007 |
| 7253745 |
Corrosion-resistant downhole transmission system |
Aug. 7, 2007 |
| 7249636 |
System and method for communicating along a wellbore |
Jul. 31, 2007 |
| 7250873 |
Downlink pulser for mud pulse telemetry |
Jul. 31, 2007 |
| 7248177 |
Down hole transmission system |
Jul. 24, 2007 |
| 7245229 |
Drill string rotation encoding |
Jul. 17, 2007 |
| 7242317 |
Wireless well communication system and method |
Jul. 10, 2007 |
| 7224288 |
Link module for a downhole drilling network |
May. 29, 2007 |
| 7210856 |
Distributed temperature sensing in deep water subsea tree completions |
May. 1, 2007 |
| 7202797 |
System and a method for detecting, locating and discerning an approach towards a linear installation |
Apr. 10, 2007 |
| 7193525 |
Methods and apparatus for downhole inter-tool communication |
Mar. 20, 2007 |
| 7167101 |
Method and apparatus for telemetry |
Jan. 23, 2007 |
| 7159654 |
Apparatus identification systems and methods |
Jan. 9, 2007 |
| 7154412 |
High-power well logging method and apparatus |
Dec. 26, 2006 |
| 7148812 |
System for use in controlling a hydrocarbon production well |
Dec. 12, 2006 |
| 7138929 |
Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling |
Nov. 21, 2006 |
| 7132958 |
Downhole telemetry system using multiple uplink modes as data channels using discrete multi-tone modulation |
Nov. 7, 2006 |
| 7123160 |
Method for triggering an action |
Oct. 17, 2006 |
| 7102532 |
Subsea communication |
Sep. 5, 2006 |
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