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Class Information
Number: 181/103
Name: Acoustics > Geophysical or subsurface exploration > Well logging > Programmed or timer-controlled
Description: Subject matter including means operative upon initiation to transmit or receive acoustical waves through a given cycle of operations.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7301472 |
Big bore transceiver |
Nov. 27, 2007 |
| 6868038 |
Seismic method of performing the time picking step |
Mar. 15, 2005 |
| 6757218 |
Semi-passive two way borehole communication apparatus and method |
Jun. 29, 2004 |
| 6724687 |
Characterizing oil, gasor geothermal wells, including fractures thereof |
Apr. 20, 2004 |
| 6661737 |
Acoustic logging tool having programmable source waveforms |
Dec. 9, 2003 |
| 6619423 |
Measuring device for measuring the elastic properties of a surface structure |
Sep. 16, 2003 |
| 6470996 |
Wireline acoustic probe and associated methods |
Oct. 29, 2002 |
| 6366531 |
Method and apparatus for acoustic logging |
Apr. 2, 2002 |
| 6131694 |
Vertical seismic profiling in a drilling tool |
Oct. 17, 2000 |
| 6006855 |
Borehole seismic detector system employing stabilizers |
Dec. 28, 1999 |
| 5724308 |
Programmable acoustic borehole logging |
Mar. 3, 1998 |
| 5579283 |
Method and apparatus for communicating coded messages in a wellbore |
Nov. 26, 1996 |
| 5164548 |
Method and apparatus for ultrasonic scanning of a borehole having improved sensor array and timing circuit |
Nov. 17, 1992 |
| 5159578 |
Apparatus for rotating a transducer assembly of a borehole logging tool in a deviated borehole |
Oct. 27, 1992 |
| 5157392 |
Telemetry network for downhole multistation seismic recording tools |
Oct. 20, 1992 |
| 5051962 |
Computerized truck instrumentation system |
Sep. 24, 1991 |
| 5044462 |
Focused planar transducer |
Sep. 3, 1991 |
| 5022485 |
Method and apparatus for detonation of distributed charges |
Jun. 11, 1991 |
| 4793435 |
Apparatus for generating multiple seismic signals in a wellbore |
Dec. 27, 1988 |
| 4709234 |
Power-conserving self-contained downhole gauge system |
Nov. 24, 1987 |
| 4701892 |
Downhole casing inspection system |
Oct. 20, 1987 |
| 4699241 |
Method and apparatus for detonation of distributed charges |
Oct. 13, 1987 |
| 4662209 |
Course length measurement |
May. 5, 1987 |
| 4660638 |
Downhole recorder for use in wells |
Apr. 28, 1987 |
| 4513403 |
Data encoding and synchronization for pulse telemetry |
Apr. 23, 1985 |
| 4481612 |
Seismic surveying using shear waves |
Nov. 6, 1984 |
| 4415895 |
Well logging data transmission system |
Nov. 15, 1983 |
| 4390975 |
Data transmission in a drill string |
Jun. 28, 1983 |
| 4390878 |
Two receiver noise loggers |
Jun. 28, 1983 |
| 4383308 |
Acoustic well logging device for detecting shear and compressional waves |
May. 10, 1983 |
| 4349896 |
Digital acoustic logging method and apparatus |
Sep. 14, 1982 |
| 4223398 |
Method for acoustic signal detection |
Sep. 16, 1980 |
| 4210967 |
Method and apparatus for determining acoustic wave parameters in well logging |
Jul. 1, 1980 |
| 4210966 |
Selectively combining segments of at least four acoustic well logging waveforms to automatically measure an acoustic wave parameter |
Jul. 1, 1980 |
| 4147222 |
Acoustical underwater communication system for command control and data |
Apr. 3, 1979 |
| 4140994 |
Method and apparatus for acoustic well logging of earth boreholes |
Feb. 20, 1979 |
| 4066994 |
Well data telemetry by explosions |
Jan. 3, 1978 |
| 4042907 |
Apparatus for preventing cycle skipping in processing acoustic well-logging signals |
Aug. 16, 1977 |
| 4012712 |
System for telemetering well logging data |
Mar. 15, 1977 |
| 3962674 |
Acoustic logging using ultrasonic frequencies |
Jun. 8, 1976 |
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