Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Acoustic logging apparatus and method for anisotropic earth formations










Image Number 4 for United States Patent #6791899.

The patent discloses a signal processing technique for determining the fast and slow shear wave polarizations, and their orientation, for acoustic waves in an anisotropic earth formation. The signal processing method decomposes composite received waveforms a number of times using a number of different strike angles. The decomposed signals are used to create estimated source signals. The estimated source signals are compared in some way to obtain an objective function. Locations in a plot where the objective function reaches minimum values are indicative of the acoustic velocity of the fast and slow polarizations within the formation.








 
 
  Recently Added Patents
Ni-, Co-, and Mn- multi-element doped positive electrode material for lithium battery and its preparation method
Phase locking loop
Flexible quantization
Method for determining a corrected variance representative of the condition of reception of signals representative of symbols
Assembly for providing an aligned stack of two or more modules and a lithography system or a microscopy system comprising such an assembly
Pre-primed roofing membrane
Message transfer apparatus, output method, and computer program product
  Randomly Featured Patents
Giant magnetoresistive sensor, thin-film read/write head and magnetic recording apparatus using the sensor
Stage device having drive mechanism for driving a movable stage, and exposure apparatus and method of detecting position of the stage
High-frequency power amplifier, wireless communication apparatus and wireless communication system
Piezoelectric oscillator, manufacturing method thereof, and electronic device
Arrangement with a female pipe adapter, a female pipe adapter, a bottom pan, an opening design, and a mold core
Method of producing electric cells using substance injection
Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud
Electric double-layer capacitor
Wireless video distribution
Aircraft fuselage