| |
 |
|
Class Information
Number: 73/152.47
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > During drilling > Downhole measurement > Vibration
Description: Subject matter wherein the determination of the physical characteristic of the borehole, the casing, or the drill rigging is made by measuring vibration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617055 |
Wet gas measurement |
Nov. 10, 2009 |
| 7464013 |
Dynamically balanced cutting tool system |
Dec. 9, 2008 |
| 7421892 |
Method and apparatus for estimating a property of a downhole fluid using a coated resonator |
Sep. 9, 2008 |
| 7395712 |
Testing of bottomhole samplers using acoustics |
Jul. 8, 2008 |
| 7357030 |
Apparatus and methods for determining at least one characteristic of a proximate environment |
Apr. 15, 2008 |
| 7317989 |
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
Jan. 8, 2008 |
| 7254999 |
Permanently installed in-well fiber optic accelerometer-based seismic sensing apparatus and associated method |
Aug. 14, 2007 |
| 7162918 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Jan. 16, 2007 |
| 7143826 |
Method for determining sand free production rate and simultaneously completing a borehole |
Dec. 5, 2006 |
| 7108081 |
Instrumented internal blowout preventer valve for measuring drill string drilling parameters |
Sep. 19, 2006 |
| 7082821 |
Method and apparatus for detecting torsional vibration with a downhole pressure sensor |
Aug. 1, 2006 |
| 6976392 |
Atomic clock for downhole applications |
Dec. 20, 2005 |
| 6938470 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Sep. 6, 2005 |
| 6915875 |
Acoustic isolator for downhole applications |
Jul. 12, 2005 |
| 6912904 |
Single tube densitometer |
Jul. 5, 2005 |
| 6837105 |
Atomic clock for downhole applications |
Jan. 4, 2005 |
| 6817229 |
Acoustic sensor for fluid characterization |
Nov. 16, 2004 |
| 6804875 |
Method of mounting elastic wave generator |
Oct. 19, 2004 |
| 6792798 |
Ultrasonic cylindrical resonator to facilitate bubble point pressure measurement |
Sep. 21, 2004 |
| 6688176 |
Single tube densitometer |
Feb. 10, 2004 |
| 6681633 |
Spectral power ratio method and system for detecting drill bit failure and signaling surface operator |
Jan. 27, 2004 |
| 6588267 |
Isolator bar for acoustic instruments used in downhole formations |
Jul. 8, 2003 |
| 6543281 |
Downhole densitometer |
Apr. 8, 2003 |
| 6415648 |
Method for measuring reservoir permeability using slow compressional waves |
Jul. 9, 2002 |
| 6378364 |
Downhole densitometer |
Apr. 30, 2002 |
| 6363780 |
Method and system for detecting the longitudinal displacement of a drill bit |
Apr. 2, 2002 |
| 6327539 |
Method of determining drill string stiffness |
Dec. 4, 2001 |
| 6272916 |
Acoustic wave transmission system and method for transmitting an acoustic wave to a drilling metal tubular member |
Aug. 14, 2001 |
| 6227044 |
Methods and apparatus for detecting torsional vibration in a bottomhole assembly |
May. 8, 2001 |
| 6216533 |
Apparatus for measuring downhole drilling efficiency parameters |
Apr. 17, 2001 |
| 6205851 |
Method for determining drill collar whirl in a bottom hole assembly and method for determining borehole size |
Mar. 27, 2001 |
| 6196335 |
Enhancement of drill bit seismics through selection of events monitored at the drill bit |
Mar. 6, 2001 |
| 6166654 |
Drilling assembly with reduced stick-slip tendency |
Dec. 26, 2000 |
| 6065332 |
Method and apparatus for sensing and displaying torsional vibration |
May. 23, 2000 |
| 5969241 |
Method and apparatus for measuring formation pressure |
Oct. 19, 1999 |
| 5864058 |
Detecting and reducing bit whirl |
Jan. 26, 1999 |
| 5780784 |
Cancellation of tool mode signal from combined signal |
Jul. 14, 1998 |
| 5753812 |
Transducer for sonic logging-while-drilling |
May. 19, 1998 |
| 5721376 |
Method and system for predicting the appearance of a dysfunctioning during drilling |
Feb. 24, 1998 |
| 5639997 |
Acoustic noise cancelling apparatus for well logging and method of well logging |
Jun. 17, 1997 |
| 5585556 |
Method and apparatus for performing measurements while drilling for oil and gas |
Dec. 17, 1996 |
| 5458207 |
Method and an equipment for adjusting rock drilling |
Oct. 17, 1995 |
| 5448911 |
Method and apparatus for detecting impending sticking of a drillstring |
Sep. 12, 1995 |
| 5275040 |
Method of and apparatus for detecting an influx into a well while drilling |
Jan. 4, 1994 |
| 5214251 |
Ultrasonic measurement apparatus and method |
May. 25, 1993 |
| 5141061 |
Method and equipment for drilling control by vibration analysis |
Aug. 25, 1992 |
| 5138875 |
Method of monitoring the drilling of a borehole |
Aug. 18, 1992 |
| 5131477 |
Method and apparatus for preventing drilling of a new well into an existing well |
Jul. 21, 1992 |
| 4945761 |
Method and device for transmitting data by cable and mud waves |
Aug. 7, 1990 |
| 4821563 |
Apparatus for measuring weight, torque and side force on a drill bit |
Apr. 18, 1989 |
|
|
|
