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Class Information
Number: 73/152.32
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > Fluid flow measuring or fluid analysis > Rate of fluid flow > Vibration
Description: Subject matter wherein the determination of the physical characteristic of the borehole, the casing, or the drill rigging is made by measuring the effect of the rate of fluid flow on vibration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7357021 |
Methods of monitoring downhole conditions |
Apr. 15, 2008 |
| 7249500 |
Determination of amount of proppant added to a fracture fluid using a coriolis flow meter |
Jul. 31, 2007 |
| 7162918 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Jan. 16, 2007 |
| 7069776 |
Method for measuring particle concentration during injection pumping operations |
Jul. 4, 2006 |
| 6956791 |
Apparatus for receiving downhole acoustic signals |
Oct. 18, 2005 |
| 6951262 |
Method and apparatus for suppressing waves in a borehole |
Oct. 4, 2005 |
| 6874361 |
Distributed flow properties wellbore measurement system |
Apr. 5, 2005 |
| 6650280 |
Measurement system and method |
Nov. 18, 2003 |
| 6308562 |
Technique for signal detection using adaptive filtering in mud pulse telemetry |
Oct. 30, 2001 |
| 6272916 |
Acoustic wave transmission system and method for transmitting an acoustic wave to a drilling metal tubular member |
Aug. 14, 2001 |
| 6189383 |
Method and apparatus for acoustic logging of fluid density and wet cement plugs in boreholes |
Feb. 20, 2001 |
| 5777278 |
Multi-phase fluid flow measurement |
Jul. 7, 1998 |
| 5747749 |
Acoustic logging to identify oil flow rate |
May. 5, 1998 |
| 5689068 |
Determination of the porosity and permeability of a geological formation from an electrofiltering phenomenon |
Nov. 18, 1997 |
| 5092167 |
Method for determining liquid recovery during a closed-chamber drill stem test |
Mar. 3, 1992 |
| 5031467 |
Pulse echo technique for detecting fluid flow |
Jul. 16, 1991 |
| 4947683 |
Pulsed ultrasonic doppler borehole fluid measuring apparatus |
Aug. 14, 1990 |
| 4905203 |
Downhole doppler flowmeter |
Feb. 27, 1990 |
| 4754641 |
Method and apparatus for measurement of fluid flow in a drilling rig return line |
Jul. 5, 1988 |
| 4532812 |
Parametric acoustic flow meter |
Aug. 6, 1985 |
| 4452077 |
Borehole ultrasonic flow meter |
Jun. 5, 1984 |
| 4442711 |
Device for measuring the flow of fluid in a well |
Apr. 17, 1984 |
| 4433573 |
Method and apparatus for determining the flow characteristics of a fluid in a well |
Feb. 28, 1984 |
| 4286461 |
Method and device for in situ detection of a mineral deposit fluid within a borehole |
Sep. 1, 1981 |
| 4208906 |
Mud gas ratio and mud flow velocity sensor |
Jun. 24, 1980 |
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