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Class 181/102 - Well logging


Subclass of Class 181 - Acoustics
Definition: Subject matter wherein said geologic or subsurface structure
No. of applications: 9
Last issue date: 08/05/2010


Application No.Application TitleIssue Date
20100195436METHODS AND SYSTEMS FOR DEPLOYING SEISMIC DEVICES
Methods and systems for acoustically determining reservoir parameters of subterranean formations. A tool comprising at least one seismic source or seismic receiver mounted thereon; a conveyance configured for movement of the acoustic tool in a borehole traversing the su...
08/05/2010
20090321174METHOD AND APPARATUS FOR DEPLOYING A PLURALITY OF SEISMIC DEVICES INTO A BOREHOLE AND METHOD THEREOF
Deploying systems and methods for deploying a plurality of seismic devices into a borehole comprising a cable including a plurality of inter-connected cable segments and ellipsoid seismic units with at least two rows of offset seismic protrusions to establish at least t...
12/31/2009
20090257307AUTOMATED MUD SLOWNESS ESTIMATION
An integrated framework is described for automating some or all of mud slowness estimation for both fast and slow formations. An estimation of fluid slowness based on monopole radial profiling is calculated if conditions permit. Alternatively, an estimation of fluid slo...
10/15/2009
20090183941ENCLOSURES FOR CONTAINING TRANSDUCERS AND ELECTRONICS ON A DOWNHOLE TOOL
A measurement package for disposal on an apparatus such as a downhole tool or a tool like device. The measurement package including an enclosure, a first acoustic transducer housed within the enclosure, a second acoustic transducer housed within the enclosure and electr...
07/23/2009
20090107757Acoustic Isolator
An acoustic isolator for use with downhole subterranean exploration and production operations, where the operations transmit acoustic signals into a subterranean formation. The acoustic isolator comprises a series of threaded fittings and is disposed on a downhole tool ...
04/30/2009
20090101432MEASUREMENT OF SOUND SPEED OF DOWNHOLE FLUID BY HELMHOLTZ RESONATOR
A downhole logging tool is equipped with a modified Helmholtz resonator for facilitating acoustic formation evaluation and reservoir characterization. The resonator permits calculation of sound speed and viscosity of the fluid in the resonator cavity. The presence of ga...
04/23/2009
20080149415ACOUSTIC ISOLATOR SECTION
An acoustic isolator section for an acoustic well logging tool, the isolator section comprising:

an isolator comprising: (i) an isolator body;

(ii) a mass;

(iii) a resilient portio...

06/26/2008
20060260864Acoustic isolator for downhole applications
A plurality of heavy mass irregularities attached to an inner wall of the drill collar attenuate waves traveling through the collar. The plurality of heavy mass irregularities are spaced and sized for the maximum attenuation of acoustic pulses in a predetermined frequen...
11/23/2006
20060107736Measuring sonde for a hydrocarbon well
The invention provides a measuring sonde (1) for a hydrocarbon well, the sonde comprising a main body (2), a downstream arm (3), and an upstream arm (5), at least one of said arms being fitted with measurement means (6) for determining...
05/25/2006
 
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