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| Number | Title | Issue Date |
| 7512035 | Piezoelectric actuator, liquid transporting apparatus, and method of producing piezoelectric actuator A piezoelectric actuator includes a vibration plate covering pressure chambers and serving also as a common electrode, a piezoelectric layer arranged entirely on the upper surface of the vibration plate, an insulating layer formed entirely on upper surfaces of indiv... | 03/31/2009 |
| 7302373 | System and method for visualizing data in a three-dimensional scene A method for displaying a plurality of measurement data along a borehole trajectory includes displaying a borehole model representing the borehole trajectory; and displaying the plurality of measurement data as at least one layer overlaying the borehole model, where... | 11/27/2007 |
| 7243029 | Systems and methods of hydrocarbon detection using wavelet energy absorption analysis Disclosed herein are systems and methods of hydrocarbon detection based on wavelet energy absorption analysis. One disclosed hydrocarbon detection method embodiment includes: a) obtaining seismic trace data for a region of interest; and b) processing the seismic tra... | 07/10/2007 |
| 7218573 | Interpretation of shot gather and stack of seismic data Interpretation of a shot gather and a stack of seismic data. In one implementation, the shot gather is sorted into a first component shot gather, a second component shot gather and a third component shot gather. The first component shot gather is represented as a fi... | 05/15/2007 |
| 7177765 | Method of general elastic inversion by combination of calculated pseudo-shear and measured compressional seismic amplitude information A method designed to combine both pseudo compressional interval velocity and pseudo shear interval velocity from seismic data for predicting fluid type and porosity in oil and gas exploration. The first step is the generation of ψS, pseudo shear reflectivity data, ... | 02/13/2007 |
| 7079449 | Methods and systems for low frequency seismic and infrasound detection of geo-pressure transition zones Methods for determining the existence and characteristics of a gradational pressurized zone within a subterranean formation are disclosed. One embodiment involves employing an attenuation relationship between a seismic response signal and increasing wavelet waveleng... | 07/18/2006 |
| 7006085 | System and method for analyzing and imaging three-dimensional volume data sets A system and method is provided for quickly tracking a physical phenomena represented within the three-dimensional volume data set. A plurality of planes may be successively displayed in the three-dimensional volume data set from which points are digitized related t... | 02/28/2006 |
| 6993434 | Method for multi-region data processing and visualization A method for processing data sets is disclosed. In one embodiment, the method comprises; (a) defining at least two primary region constraints in the data sets by creating a corresponding constraint data set, (b) combining at least two primary region constraints usin... | 01/31/2006 |
| 6950751 | Method and apparatus for the assimilation and visualization of information from 3D data volumes The present invention provides a method and apparatus for displaying selected characteristics of geological features. Color-features, for example, hue, saturation and intensity, or other use selected color-features, are assigned to represent different attribute valu... | 09/27/2005 |
| 6757217 | Method for time-aligning multiple offset seismic data volumes Near-offset and far-offset seismic data volumes are time-aligned by first selecting a plurality of time shifts. The near-offset and far-offset seismic data volumes are cross-correlated at the plurality of time shifts. An initial time-shift volume and a maximum corre... | 06/29/2004 |
| 6665117 | Method and apparatus for interactive curved surface borehole interpretation and visualization An enlarged computer graphic image of borehole data is displayed on a concave three-dimensional surface, preferably a semi-cylindrical shape. Thus providing an enlarged image of a borehole surface where the data is spatially correct in three-dimensions, a... | 12/16/2003 |
| 6571177 | Color displays of multiple slices of 3-D seismic data Three substantially parallel surfaces are selected in a 3-D data volume and values of a seismic attribute on each of the three surfaces are encoded onto a Red-Green-Blue (RGB) color scale. A single display of this encoded data makes it possible to get a v... | 05/27/2003 |
| 6512477 | Detecting apparatus While successively varying its orientation at specific intervals, a detecting apparatus transmits pulsed radio waves from an antenna (1), and data corresponding to input levels derived from one sweep are written in a primary memory (4). output values obta... | 01/28/2003 |
| 6424464 | Method and apparatus for interactive curved surface seismic interpretation and visualization An enlarged computer graphic image of seismic data is displayed on a concave three-dimensional surface having a shape corresponding to the shape of selected data extracted from a three-dimensional seismic volume. Thus providing an enlarged image of a seis... | 07/23/2002 |
| 6199016 | Resonance acoustical profiling system and methods of using same An apparatus and procedure for passively performing a geophysical survey. The RAP Equipment complex comprises an A/D Conversion Device, an external sensor, an external 12 volt battery, and a Notebook Computer in which resides a Fourier analysis program. T... | 03/06/2001 |
| 6084825 | Apparatus and methods for seismic data processing A method of determining an optimum processing sequence by calculation of processing sequence sensitivity and processing sequence error. A reference seismic processing sequence is applied to input raw gathers to obtain reference seismic output data. A seri... | 07/04/2000 |
| 6014344 | Method for enhancing seismic data A method for enhancing zero-phase seismic data traces so that subtle geologic features are easier to identify and interpret. In a first embodiment, the method comprises enhancing the amplitudes of at least the peaks and troughs in the zero-phase seismic d... | 01/11/2000 |
| 5995448 | Method for mapping seismic reflective data The invention at hand is a method for mapping two or three dimensional P-wave stacked seismic reflective data, used to identify geophysical characteristics indicative of hydrocarbon, mineral, groundwater supplies and geological faults into a color space. ... | 11/30/1999 |
| 5987388 | Automated extraction of fault surfaces from 3-D seismic prospecting data An automated method of processing a fault-enhanced 3-D seismic volume (V) to locate and interpret faults is disclosed. The method includes processing of individual lateral slices (LSj) of the volume (V). For each slice (LSj), stripe ... | 11/16/1999 |
| 5661697 | Method and apparatus for detection of sand formations in amplitude-versus-offset seismic surveys A method and apparatus for analyzing amplitude-versus-offset (AVO) seismic data to distinguish sand formations, such as Morrow sands, from limestones and other similar intervals, is disclosed. For each of the traces in the survey, AVO intercept and AVO sl... | 08/26/1997 |
| 5453958 | Method for locating hydrocarbon reservoirs A method is provided by which the presence, if any, and location of a hydrocarbon reservoir or reservoirs adjacent to a subterranean surface can be determined based on DAD values which correspond to grid points of the surface. DAD values, specifically def... | 09/26/1995 |
| 5440525 | Seismic data hydrocarbon indicator A method for displaying seismic data to provide direct indications of the presence of hydrocarbons. Seismic data is processed using conventional amplitude versus offset techniques to obtain zero offset reflectivity, or A, traces and the amplitude versus o... | 08/08/1995 |
| 5239467 | Method for enhancing geophysical data by nonlinear compression of the dynamic range The present invention provides an improved method of processing and displaying geophysical data so as to enhance the evaluation and interpretation of subtle variations in the earth's geological and lithological structures. In particular, the dynamic range... | 08/24/1993 |
| 5057021 | Arrow-plot with color coded azimuth A method of visually presenting information representative of the dip characteristics of earth formations by means of a polychromatic chart. The preferred method comprises representing the dip information by means of an arrow plot comprising oriented symb... | 10/15/1991 |
| 5018112 | Method for hydrocarbon reservoir identification A method for processing three-dimensional seismic data to define areal boundaries of hydrocarbon reservoirs. 3-D Seismic data for an area having a producing well is examined to establish an attribute critical parameter that specifically relates to the res... | 05/21/1991 |
| 4970699 | Method for color mapping geophysical data The present invention relates generally to a method for color mapping geophysical data. More particularly, the present invention provides a method for combining two or more components of multicomponent geophysical data, so as to produce unique color displ... | 11/13/1990 |
| 4964096 | Method for inversion of seismic data to yield estimates of formation lithology The present invention relates generally to seismic exploration and more particularly to a method for inversion of seismic data to yield estimates of formation lithology. Seismic data representing a measure of reflectivity of subsurface formations to seism... | 10/16/1990 |
| 4945519 | Method of geophysical exploration A geophysical method of exploration including processing and displaying seismic data so as to enhance geophysicists' ability to evaluate and interpret subtle variations in the earth's geological and lithological structure. In particular, an exponentiated ... | 07/31/1990 |
| 4926394 | Monte Carlo method for estimating lithology from seismic data A Monte Carlo statistical method for combining discrete geological measurements of rock properties with continuous measurements of seismic attributes and for converting those combined measurements into a display of the best estimate of subsurface rock cla... | 05/15/1990 |
| 4843599 | Method for continuous color mapping of seismic data The present invention relates generally to a method for continuous color mapping of nonscalar data. Moreover, the method for continuous color mapping of non-scalar data comprises mapping both single-component and multicomponent nonscalar data whereby the ... | 06/27/1989 |
| 4811220 | Method for visual display and analysis of subsurface rock properties and structure utilizing colored magnetotelluric transfer functions A three-dimensional display and interpretation technique, in which magnetotelluric survey and modeling data are transformed and compared in order to yield a remotely determined picture of subsurface rock properties and structure, is disclosed. Normalized ... | 03/07/1989 |
| 4764904 | Interactive contouring of seismic data A method for interactive contouring of seismic data for procuring seismic maps (60a, 60b, 60c) which provide a three-dimensional picture of the various structural layers (5a-5n, 12a-12n, respectively) within an area (11) which is circumscribed by intersec... | 08/16/1988 |
| 4694438 | Time-offset-frequency-amplitude panels for seismic identification of hydrocarbons A method for preparing a display of seismic data obtained from multiple-point coverage of a subterranean earth formation using an array of seismic sources and acoustic receivers. A set of seismic traces is obtained in such a manner that each trace is asso... | 09/15/1987 |
| 4661935 | Seismic data processing A variable amplitude/phase color seismic display is provided which increases the ease with which interpreters can locate peaks, troughs and other information of interest.... | 04/28/1987 |
| 4646239 | Method of seismic exploration including processing and displaying seismic data to quantitatively distinguish among seismic events A method for quantitatively distinguishing seismic events on a seismic record for inferring changes in the geological character of the subterranean formations. Reflection coefficients are obtained for such seismic events and a first set of attributes indi... | 02/24/1987 |
| 4633447 | Response waveform characterization of geophysical data A method of processing geophysical seismic data so as to enhance its evaluation and interpretation. A plurality of response waveform characteristics are developed from a seismic signal. The response waveform characteristics can provide empirical basis for... | 12/30/1986 |
| 4633399 | Method of seismic data enhancement using a phase of rectified trace seismic parameter A method for developing a novel seismic data attribute enables improvements in seismic data processing and interpretation. Seismic signals or trace data are first rectified and then Hilbert transformed and processed with the arc tangent function to develo... | 12/30/1986 |
| 4590592 | Display of response characteristics of seismic source arrays In seismic exploration, the response characteristics of an array of seismic sources is displayed by contours of equal values of amplitude response as a function of azimuth and dip angle in a stereoscopic polar projection. The projection includes a center ... | 05/20/1986 |
| 4571710 | Seismic method for identifying low velocity subsurface zones This invention consists of producing a two-dimensional display from exploration seismic data designed to indicate zones of anomalous low velocity in the subsurface. Such zones may be indicative of porosity and the possible occurrence of hydrocarbons. They... | 02/18/1986 |
| 4558438 | Method and apparatus for dynamically displaying geo-physical information In a system for displaying geophysical information on a video screen, data representative of spaced subsurface strata are stored in a computer memory. The data are extracted, plane by plane, and data bytes representative of the planes are stored in pairs ... | 12/10/1985 |
