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Class Information
Number: 340/856.4
Name: Communications: electrical > Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) > Including particular sensor > Acoustic or vibratory (e.g., sonic, fluidic, etc.)
Description: Subject matter in which the sensor includes an element a portion of which either generates or is responsive to mechanical vibration.


Patents under this class:

Patent Number Title Of Patent Date Issued
7619505 Vehicle direction guide vibration system and method Nov. 17, 2009
7436324 Maritime port inspection and ingress control Oct. 14, 2008
7327634 Rotary pulser for transmitting information to the surface from a drill string down hole in a well Feb. 5, 2008
7289038 Underwater sound radiation apparatus Oct. 30, 2007
7257050 Through tubing real time downhole wireless gauge Aug. 14, 2007
7254493 Pressure transducer based fluid velocity sensor Aug. 7, 2007
7250873 Downlink pulser for mud pulse telemetry Jul. 31, 2007
7201231 Apparatuses and methods for deploying logging tools and signalling in boreholes Apr. 10, 2007
7046165 Method for collecting geological data ahead of a drill bit May. 16, 2006
6988566 Acoustic position measurement system for well bore formation Jan. 24, 2006
6915875 Acoustic isolator for downhole applications Jul. 12, 2005
6880634 Coiled tubing acoustic telemetry system and method Apr. 19, 2005
6879848 Method and apparatus for alerting an operator of an incoming cellular or portable phone call Apr. 12, 2005
6781520 Motion sensor for noise cancellation in borehole electromagnetic telemetry system Aug. 24, 2004
6714138 Method and apparatus for transmitting information to the surface from a drill string down hole in a well Mar. 30, 2004
6624759 Remote actuation of downhole tools using vibration Sep. 23, 2003
6480118 Method of drilling in response to looking ahead of drill bit Nov. 12, 2002
6404343 Water leakage monitoring apparatus Jun. 11, 2002
6308562 Technique for signal detection using adaptive filtering in mud pulse telemetry Oct. 30, 2001
6137747 Single point contact acoustic transmitter Oct. 24, 2000
6091337 High voltage contact monitor with built-in self tester Jul. 18, 2000
5955966 Signal recognition system for wellbore telemetry Sep. 21, 1999
5892460 Logging while drilling tool with azimuthal sensistivity Apr. 6, 1999
5823261 Well-pump alignment system Oct. 20, 1998
5358035 Control cartridge for controlling a safety valve in an operating well Oct. 25, 1994
5283768 Borehole liquid acoustic wave transducer Feb. 1, 1994
5202681 Integral transducer housing and method Apr. 13, 1993
5056067 Analog circuit for controlling acoustic transducer arrays Oct. 8, 1991
4905203 Downhole doppler flowmeter Feb. 27, 1990
4854398 Locating devices for soil displacement hammers Aug. 8, 1989
4852069 Thin bed evaluation device Jul. 25, 1989
4797668 Acoustic well logging system having multiplexed filter digitizing Jan. 10, 1989
4796026 Noise tool and method Jan. 3, 1989
4698631 Surface acoustic wave pipe identification system Oct. 6, 1987
4572322 Finding distance to blowout using wellbore acoustic measurements Feb. 25, 1986
4458245 Method and apparatus for exploring earth and rocky formations Jul. 3, 1984
4415895 Well logging data transmission system Nov. 15, 1983
4390878 Two receiver noise loggers Jun. 28, 1983
4220212 Apparatus for monitoring the operation of well bore guns Sep. 2, 1980
4208966 Methods and apparatus for selectively operating multi-charge well bore guns Jun. 24, 1980
4115753 Fiber optic acoustic array Sep. 19, 1978
4035763 Wireline tool for measuring bottom-hole pressure in pumping wells Jul. 12, 1977



 
 
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