 |
|
 |
| |
 |
|
Class Information
Number: 367/81
Name: Communications, electrical: acoustic wave systems and devices > Wellbore telemetering
Description: Subject matter wherein information or control signals are transmitted through a passageway in the earth in the form of acoustic waves in a medium in the passageway comprised of material different from the surrounding earth.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605716 |
Telemetry system with an insulating connector |
Oct. 20, 2009 |
| 7603238 |
Analysis of time-series data using singularities |
Oct. 13, 2009 |
| 7580797 |
Subsurface layer and reservoir parameter measurements |
Aug. 25, 2009 |
| 7561997 |
Simulation system including a simulator and a case manager adapted for organizing data files for the simulator in a non-conventional tree like structure |
Jul. 14, 2009 |
| 7551516 |
Vertical seismic profiling method utilizing seismic communication and synchronization |
Jun. 23, 2009 |
| 7535795 |
Seismic data acquisition system and method for downhole use |
May. 19, 2009 |
| 7518528 |
Electric field communication for short range data transmission in a borehole |
Apr. 14, 2009 |
| 7489591 |
Drilling fluid pressure pulse detection using a differential transducer |
Feb. 10, 2009 |
| 7453768 |
High-speed, downhole, cross well measurement system |
Nov. 18, 2008 |
| 7417920 |
Reciprocating pulser for mud pulse telemetry |
Aug. 26, 2008 |
| 7400262 |
Apparatus and methods for self-powered communication and sensor network |
Jul. 15, 2008 |
| 7397388 |
Borehold telemetry system |
Jul. 8, 2008 |
| 7348893 |
Borehole communication and measurement system |
Mar. 25, 2008 |
| 7339494 |
Acoustic telemetry transceiver |
Mar. 4, 2008 |
| 7317989 |
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
Jan. 8, 2008 |
| 7301472 |
Big bore transceiver |
Nov. 27, 2007 |
| 7283060 |
Control apparatus for automated downhole tools |
Oct. 16, 2007 |
| 7280432 |
Oscillating shear valve for mud pulse telemetry |
Oct. 9, 2007 |
| 7268696 |
Directional signal and noise sensors for borehole electromagnetic telemetry system |
Sep. 11, 2007 |
| 7265682 |
Joint source-channel coding for multicarrier modulation |
Sep. 4, 2007 |
| 7250873 |
Downlink pulser for mud pulse telemetry |
Jul. 31, 2007 |
| 7230543 |
Downhole clock synchronization apparatus and methods for use in a borehole drilling environment |
Jun. 12, 2007 |
| 7200070 |
Downhole drilling network using burst modulation techniques |
Apr. 3, 2007 |
| 7158446 |
Directional acoustic telemetry receiver |
Jan. 2, 2007 |
| 7145472 |
Method and apparatus for high speed data dumping and communication for a down hole tool |
Dec. 5, 2006 |
| 7061830 |
Transducers coated with anechoic material for use in down hole communications |
Jun. 13, 2006 |
| 6990045 |
Methods for acquiring seismic data while tripping |
Jan. 24, 2006 |
| 6941464 |
Method and logic for capturing and analyzing conduit data |
Sep. 6, 2005 |
| 6915875 |
Acoustic isolator for downhole applications |
Jul. 12, 2005 |
| 6912177 |
Transmission of data in boreholes |
Jun. 28, 2005 |
| 6909666 |
Method and apparatus for generating acoustic signals for LWD shear velocity measurement |
Jun. 21, 2005 |
| 6898149 |
Reprogrammable downhole telemetry and control system |
May. 24, 2005 |
| 6898150 |
Hydraulically balanced reciprocating pulser valve for mud pulse telemetry |
May. 24, 2005 |
| 6880634 |
Coiled tubing acoustic telemetry system and method |
Apr. 19, 2005 |
| 6837332 |
Method and apparatus for cancellation of unwanted signals in MWD acoustic tools |
Jan. 4, 2005 |
| 6801135 |
Webserver-based well instrumentation, logging, monitoring and control |
Oct. 5, 2004 |
| 6791470 |
Reducing injection loss in drill strings |
Sep. 14, 2004 |
| 6768700 |
Method and apparatus for communications in a wellbore |
Jul. 27, 2004 |
| 6697298 |
High efficiency acoustic transmitting system and method |
Feb. 24, 2004 |
| 6643221 |
Structures and methods for damping tool waves particularly for acoustic logging tools |
Nov. 4, 2003 |
| 6626042 |
Communication for water distribution networks |
Sep. 30, 2003 |
| 6540019 |
Intelligent thru tubing bridge plug with downhole instrumentation |
Apr. 1, 2003 |
| 6535458 |
Method and apparatus for suppressing drillstring vibrations |
Mar. 18, 2003 |
| 6480118 |
Method of drilling in response to looking ahead of drill bit |
Nov. 12, 2002 |
| 6478090 |
Method and apparatus of operating devices using actuators having expandable or contractable elements |
Nov. 12, 2002 |
| 6434084 |
Adaptive acoustic channel equalizer & tuning method |
Aug. 13, 2002 |
| 6405136 |
Data compression method for use in wellbore and formation characterization |
Jun. 11, 2002 |
| 6388577 |
High impact communication and control system |
May. 14, 2002 |
| 6320820 |
High data rate acoustic telemetry system |
Nov. 20, 2001 |
| 6262941 |
Method and device for seismic prospecting using a drilling tool acting in a well |
Jul. 17, 2001 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
