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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 |
| 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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