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Class Information
Number: 73/152.58
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > Downhole test > Using vibration
Description: Subject matter wherein the determination of the characteristic of the borehole, the casing, or the drill rigging is made by measuring the effect of the borehole casing or the drill rigging on vibration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7516655 |
Downhole fluid characterization based on changes in acoustic properties with pressure |
Apr. 14, 2009 |
| 7513147 |
Piezocomposite transducer for a downhole measurement tool |
Apr. 7, 2009 |
| 7376522 |
Method and system for determining the direction of fluid flow |
May. 20, 2008 |
| 7334651 |
Kick warning system using high frequency fluid mode in a borehole |
Feb. 26, 2008 |
| 7317989 |
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
Jan. 8, 2008 |
| 7277358 |
Apparatus, method and system for digitally transmitting acoustic pulse gun signals |
Oct. 2, 2007 |
| 7162918 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Jan. 16, 2007 |
| 7152467 |
Parallel seismic depth testing using a cone penetrometer |
Dec. 26, 2006 |
| 7036363 |
Acoustic sensor for downhole measurement tool |
May. 2, 2006 |
| 6957157 |
Tracking vibrations in a pipeline network |
Oct. 18, 2005 |
| 6938470 |
Method and apparatus for downhole fluid characterization using flexural mechanical resonators |
Sep. 6, 2005 |
| H2116 |
Method for detecting, locating, and characterizing single and multiple fluid-filled fractures in fractured formations |
Apr. 5, 2005 |
| 6792798 |
Ultrasonic cylindrical resonator to facilitate bubble point pressure measurement |
Sep. 21, 2004 |
| 6758090 |
Method and apparatus for the detection of bubble point pressure |
Jul. 6, 2004 |
| 6608565 |
Downward communication in a borehole through drill string rotary modulation |
Aug. 19, 2003 |
| 6567006 |
Monitoring vibrations in a pipeline network |
May. 20, 2003 |
| 6490916 |
Method and system of fluid analysis and control in a hydrocarbon well |
Dec. 10, 2002 |
| 6227044 |
Methods and apparatus for detecting torsional vibration in a bottomhole assembly |
May. 8, 2001 |
| 6082193 |
Pipeline monitoring array |
Jul. 4, 2000 |
| 6065332 |
Method and apparatus for sensing and displaying torsional vibration |
May. 23, 2000 |
| 5886255 |
Method and apparatus for monitoring mineral production |
Mar. 23, 1999 |
| 5874676 |
Method and apparatus for acoustically investigating a casing with a swept frequency pulse |
Feb. 23, 1999 |
| 5763773 |
Rotating multi-parameter bond tool |
Jun. 9, 1998 |
| 5646342 |
Method of Locating Hydrocarbon reserves |
Jul. 8, 1997 |
| 5555220 |
Slickline conveyed wellbore seismic receiver |
Sep. 10, 1996 |
| 5503001 |
Determination of permeability of porous media and thickness of layered porous media |
Apr. 2, 1996 |
| 5469736 |
Apparatus and method for measuring a borehole |
Nov. 28, 1995 |
| 5321981 |
Methods for analysis of drillstring vibration using torsionally induced frequency modulation |
Jun. 21, 1994 |
| 5313829 |
Method of determining drillstring bottom hole assembly vibrations |
May. 24, 1994 |
| 5248857 |
Apparatus for the acquisition of a seismic signal transmitted by a rotating drill bit |
Sep. 28, 1993 |
| 5229554 |
Downhole electro-hydraulic vertical shear wave seismic source |
Jul. 20, 1993 |
| 5226332 |
Vibration monitoring system for drillstring |
Jul. 13, 1993 |
| 5206836 |
Method of determining position and dimensions of a subsurface structure intersecting a wellbore in the earth |
Apr. 27, 1993 |
| 5170378 |
Hydraulic impedance test method |
Dec. 8, 1992 |
| 5170018 |
Method and apparatus for tube-wave suppression |
Dec. 8, 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 |
| 5130950 |
Ultrasonic measurement apparatus |
Jul. 14, 1992 |
| 5121363 |
Fracture detection logging tool |
Jun. 9, 1992 |
| 5119089 |
Downhole seismic sensor cable |
Jun. 2, 1992 |
| 5109698 |
Monopole, dipole, and quadrupole borehole seismic transducers |
May. 5, 1992 |
| 5093811 |
Fracture investigation by resonance sweeping technique |
Mar. 3, 1992 |
| 5027918 |
Sidewall locking downhole seismic signal detector |
Jul. 2, 1991 |
| 4986350 |
Device for the seismic monitoring of an underground deposit |
Jan. 22, 1991 |
| 4953398 |
Method and apparatus for detecting acoustic vibrations in a borehole |
Sep. 4, 1990 |
| 4953137 |
Method for determining earth stresses in formations surrounding a cased well |
Aug. 28, 1990 |
| 4945761 |
Method and device for transmitting data by cable and mud waves |
Aug. 7, 1990 |
| 4938060 |
Downhole inspection system |
Jul. 3, 1990 |
| 4934186 |
Automatic echo meter |
Jun. 19, 1990 |
| 4912683 |
Method for acoustically measuring wall thickness of tubular goods |
Mar. 27, 1990 |
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