Color Patents (Class 367/70)
  • Patent number: 11009617
    Abstract: A system, a method, and a computer program for modelling a subsurface region of the earth for hydrocarbon exploration, development, or production, including receiving a seismic prestack dataset, determining one or more multiparameter attributes on a sparse grid based on the seismic prestack dataset, associating the one or more multiparameter attributes with color image pixels, encoding the associated one or more multiparameter attributes to generate a low-resolution colored image, inpainting the low-resolution colored image by a deep neural network to build a high-resolution colored image, and decoloring the high-resolution image.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: May 18, 2021
    Assignee: Saudi Arabian Oil Company
    Inventors: Kirill Gadylshin, Andrey Bakulin, Ilya Silvestrov
  • Patent number: 10851647
    Abstract: Disclosed is a downhole vibration and impact data recording method, comprising: performing analog-to-digital conversion on analog data, outputting digital format data obtained at a sampling rate f1, and performing sampling storage processing and analysis storage processing on the same. The sampling storage processing includes outputting the digital format data obtained at a sampling rate fn through multiple samplings; storing the same continuously into a storage module. The analysis storage processing includes: buffering the digital format data obtained at the sampling rate f1 into a memory; analyzing the same to determine whether an impact event occurs, and if yes, storing the current data in the memory into the storage module, and then jumping back to the buffering step; otherwise, jumping directly back to the buffering step. With the above method, the amount of data storage can be effectively reduced, while the characteristics of the vibration and impact data can be analyzed.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: December 1, 2020
    Inventors: Zhongxing Wang, Yongyou Yang, Qingyun Di, Zili Wang, Wenxuan Chen, Tianxin Zhang, Linfeng Hong, Qijun Xie
  • Patent number: 9915742
    Abstract: Method and system are described for generating a stratigraphic model of a subsurface volume. Measured geophysical data are converted into a vector volume (106) by assigning to each sample in each trace in the data volume a vector representing dip, azimuth or confidence. Then a labeled volume is generated from the vector volume by assigning a label to each sample in an initial trace (1006), then selecting a propagation pattern (1008) and propagating the labels to other traces (1010). Horizons can be extracted (110) from the labeled volume, and utilized to enhance the process of producing hydrocarbons (114).
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: March 13, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Pavel Dimitrov, Matthias Imhof
  • Patent number: 9702999
    Abstract: A method is described for processing residual moveout in seismic image data gathers representing critical reflections. The method includes receiving seismic image data arranged as a function of an angle or offset parameter including a high-velocity-contrast event with post-critical. The method also includes applying a wavelet de-stretch filter to the seismic data to correct wavelet stretching. The method also includes applying a fan-filter to remove coherent noise in the one or more post-critical traces; picking residual moveout of the high-velocity-contrast event; adjacent-trace differencing to detect the impact of phase change at critical reflections in residual moveouts, and applying a median-filter to the residual moveout to reduce the impact of phase change of the high-velocity-contrast event in the one or more post-critical traces. The median-filtered and reconstructed residual moveout is used for improving a velocity model used for generating the seismic image gathers.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: July 11, 2017
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Yonghe J. Sun, Yue Wang, Jianlei Liu, Leonard Lin Zhang
  • Patent number: 9389325
    Abstract: A passive method for exploring a region below the surface of the earth. The method comprises using a plurality of sensors to obtain seismic data obtained by recording ambient seismic interface waves in a frequency range whose lower limit is greater than 0 Hz, and whose upper limit is less than or equal to substantially 1 Hz. The sensors may be sensitive to three orthogonal components. Recordings may be made simultaneously by all sensors and normalization of data is unnecessary. The sensors may be moved and clean data may be selected. Local dispersion curves may be determined to improve vertical resolution. The data are processed so as to obtain a measure of the energy in a frequency band within the frequency range. The energy measure may be calculated by integrating the spectrum in the frequency domain over a desired frequency range. The resulting calculated energy provides information about the region of the earth being explored.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: July 12, 2016
    Inventors: Sascha Bussat, Peter Hanssen, Simone Patricia Kugler
  • Patent number: 8792301
    Abstract: A system and method may, based on a 3D seismic data set seed point, execute a seed picking algorithm, using the first point for picking a set of second points from the data set, setting each of the points in the set of second points as the first point and repeating the algorithm. An iteration number or other attribute may be assigned to the points, the iteration number corresponding to the number of times the algorithm repeated to process the point. The attribute or a number of attributes may be displayed as a visual characteristic for each point. An iterative process may be applied to a set of seismic data points, starting at a seed data point and finding a set of next iteration seed points from among the set of points neighboring the seed point, continuing only with next iteration seed points, and recording for each of a set of data points the number of points that are found by the process when the point is used as a seed data point.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: July 29, 2014
    Assignee: Paradigm Sciences Ltd.
    Inventor: Huw James
  • Patent number: 8639443
    Abstract: A microseismic monitoring system includes a seismic sensor positioned proximate to a wellbore traversing a formation; an orientation source producing an orientation shot; a hydraulic apparatus operationally connected with the formation to produce a fracture in the formation; a computer control system operationally connected with a database of known spectral attributes for event categories; and a computer readable medium that carries instructions executable by the computer control system that, when executed: receive data from the seismic sensor; select an event of interest from the data received; determine a spectral estimate of the selected event of interest; compare the determined spectral estimate of the selected event of interest to the known spectral estimates; and select from the data received by the seismic source the orientation shot for orientation of the seismic sensor.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: January 28, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Joel Herve Le Calvez, Stewart Thomas Taylor
  • Publication number: 20130235696
    Abstract: Example embodiments of the present disclosure include one or more of a method, computing device, computer-readable medium, and system for creating a heightmap based on at least a portion of seismic data, rendering the heightmap, and illuminating at least a portion of the rendered heightmap.
    Type: Application
    Filed: December 31, 2012
    Publication date: September 12, 2013
    Inventors: Christian Westlye Larsen, Jimmy Klinger, Amadeus Wieczorek
  • Publication number: 20130201794
    Abstract: A computer-implemented method, apparatus, and system for interactive identification of subsurface regions that represent lithology and/or fluid anomalies that indicate the presence of hydrocarbons may be provided. Since the introduction of AvO classes, AvO interpretation has largely been quantitatively driven through polygonal selection of non-background trend values from cross plots of seismic and/or derived seismic attributes such as intercept and slope. Embodiments of the invention may provide a system and/or method which allows qualitative and quantitative, interactive, visual observation of AvO and petrophysical classes and projections simultaneously, through, for example, co-blending based an intuitive parameterization of gradational color tables with varying opaqueness along axes representing respectively background trend and anomaly, or petrophysical variables.
    Type: Application
    Filed: February 4, 2013
    Publication date: August 8, 2013
    Applicant: HEADWAVE INC.
    Inventor: Headwave, Inc.
  • Publication number: 20130155814
    Abstract: The illumination/imaging of a theorized target horizon that is below a theorized velocity contrast horizon where the velocity contrast horizon may represent the bottom of a salt dome by assessing the path of seismic energy for critical angle reflection/refraction and tabulates the successful paths and unsuccessful paths. For some subsurface locations, seismic energy will not reach the surface above the velocity contrast due to the shapes of the velocity contrast horizon and target horizon and the velocity model through which the studied waves propagate. Displays may be prepared and used for understanding illumination/imaging of the geology for drilling, reacquisition, and reprocessing to elicit information about subsurface geology that may have been overlooked or ignored. Future surveys avoid expensive surveying which cannot obtain useful seismic data as determined by the velocity contrast for the target locations due to the shapes of the horizons and the velocity model.
    Type: Application
    Filed: December 18, 2012
    Publication date: June 20, 2013
  • Patent number: 8355872
    Abstract: A system for and method of automatically evaluating similarity between a target geological region of interest and a plurality of known geological regions of interest includes selecting a plurality of quantitative parameters describing reservoir characteristics of the target geological region of interest and defining a graphical target line based on values of the selected parameters. Comparison lines are graphically constructed for at least some of the plurality of known geological regions of interest, respective comparison lines representing respective values of the quantitative parameters describing corresponding characteristics of respective regions among the known geological regions of interest. A similarity factor between each of the comparison lines and the target line is calculated based on the plotted target and comparison lines. The comparison lines are ranked based on the calculated similarity factors, and similarity factor versus similarity rank are graphically displayed.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: January 15, 2013
    Assignee: Chevron U.S.A. Inc.
    Inventor: Dana E. Rowan
  • Patent number: 8352190
    Abstract: An exemplary embodiment of the present invention provides a method for interpolating seismic data. The method includes collecting seismic data of two or more types over a field (401), determining an approximation to one of the types of the seismic data (402), and performing a wave-field transformation on the approximation to form a transformed approximation (405), wherein the transformed approximation corresponds to another of the collected types of seismic data. The method may also include setting the transformed approximation to match the measured seismic data of the corresponding types at matching locations (408), performing a wave-field transformation on the transformed approximation to form an output approximation (412), and using the output approximation to obtain a data representation of a geological layer (416).
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: January 8, 2013
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Anatoly Baumstein, Ramesh Neelamani
  • Patent number: 7745975
    Abstract: A piezoelectric thin film resonator includes: a piezoelectric thin film; a laminated structure which includes a first metal electrode film and a second metal electrode film that interpose at least a part of the piezoelectric thin film, and which is formed on a substrate; and an acoustic insulating layer which is formed on the substrate at a position corresponding to the laminated structure, wherein the first metal electrode film is formed on the substrate and the second metal electrode film is formed on the first metal electrode film while sandwiching the piezoelectric thin film, and a protection film laminated on the second metal electrode film is provided so as to cover the second metal electrode film.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: June 29, 2010
    Assignee: Hitachi Media Electronics Co., Ltd.
    Inventors: Kengo Asai, Hisanori Matsumoto, Atsushi Isobe
  • Patent number: 7638923
    Abstract: The invention relates to a method and a control unit for operating a hydraulic injection valve, which comprises at least one piezoelectric actuator (2), a displaceable component (3) and a hydraulic element (9) such as bearing or a transmission system. The use of a drive voltage (U) modifies the length of an actuator (2), which makes it possible to control the stroke of the displaceable component (a valve needle 3). The inventive control unit (10) produces a polarizing voltage (UB) which pre-stresses the actuator (2) and whose polarization direction is opposite to the polarization direction of said actuator (2). Said invention makes it possible to obtain the greater modification of the length when the actuator (2) operates in the polarization direction than the drive voltage starts at 0 volts, as it was in practice before. Said invention makes it possible to reduce energy consumption.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: December 29, 2009
    Assignee: Siemens Aktiengesellschaft
    Inventors: Georg Bachmaier, Bernhard Fischer, Bernhard Gottlieb, Andreas Kappel, Tim Schwebel
  • Patent number: 7512035
    Abstract: 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 individual electrodes and the piezoelectric layer, and wirings formed on the upper surface of the insulating layer. A through hole is formed in the insulating layer at an area facing both one of the individual electrodes and one of the wirings, and the individual electrode and the wiring are connected by an electroconductive material filled in the through hole. With this, both the simplification of structure of electric contact and the improvement in reliability of electric connection can be realized, and a piezoelectric actuator is capable of suppressing the generation of excessive electrostatic capacitance during the application of drive voltage can be provided.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: March 31, 2009
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Hiroto Sugahara
  • Patent number: 7218573
    Abstract: 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 first subimage, the second component shot gather is represented as a second subimage, and the third component is represented as a third subimage. The first subimage is then merged with the second subimage and the third subimage to create a false color image. The shot gather of seismic traces may then be interpreted based on the false color image. The first component may by an x component, the second component may be a y component and the third component may be a z component. The first subimage may be a red or cyan subimage, the second subimage may be a green or yellow subimage and the third subimage may be a blue or magenta subimage.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: May 15, 2007
    Assignee: WesternGeco, L.L.C.
    Inventor: Andreas W. Laake
  • Patent number: 6757217
    Abstract: 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 correlation volume are created from the maximal cross-correlations at the plurality of time shifts. Areas of high time shift from the initial time-shift volume and areas of low cross-correlation from the maximum correlation volume are determined. The determined areas of high time shift and low cross-correlation are filtered from the initial time-shift volume, generating a filtered time-shift volume. The filtered time-shift volume is applied to the far-offset seismic volume to generate a time-aligned far-offset volume.
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: June 29, 2004
    Assignee: ExxonMobil Upstream Research Company
    Inventors: John E. Eastwood, Brian P. West, Michael D. Gross, Dwight C. Dawson, David H. Johnston
  • Patent number: 6665117
    Abstract: 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, and which increases the ease with which interpreters can locate geological features such as surfaces, faults, and fractures.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: December 16, 2003
    Assignee: ConocoPhillips Company
    Inventors: Dennis B. Neff, John R. Grismore, Jacquelyn K. Singleton, Jesse E. Layton
  • Patent number: 6571177
    Abstract: 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 visualization of and interpret subtle structural and stratigraphic features of the 3-D data volume. The displayed seismic attribute may be the amplitude or one of many commonly used attributes. The 3-D data volume may be defined in terms of seismic times or in terms of seismic depths.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: May 27, 2003
    Assignee: Conoco Inc.
    Inventor: Humphrey H. Hardy
  • Patent number: 6512477
    Abstract: 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 obtained in preceding signal processing operation are written in a secondary memory (9). A signal comparator circuit (7) determines current output values based on the input levels of the primary memory (4) and the preceding output values of the secondary memory (9) by reference to a table (8) and writes the current output values thus obtained in the secondary memory (9). The detecting apparatus causes display brilliance or color between a blip exhibiting large fluctuation in received signal strength and a blip exhibiting small fluctuation in received signal strength.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: January 28, 2003
    Assignee: Furuno Electric Company, Limited
    Inventor: Tomohiko Suzuki
  • Patent number: 6424464
    Abstract: 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 seismic surface where the data is spatially correct in three-dimensions, and which increases the ease with which interpreters can locate geological features such as horizons, faults, and channels. An auxiliary paddle screen is provided to display an interactive video image for exploring the volume within the hybrid screen.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: July 23, 2002
    Assignee: Phillips Petroleum Company
    Inventors: Dennis B. Neff, John R. Grismore, William A. Lucas, Jacquelyn K. Singleton, Jesse E. Layton, Steven B. Wyatt
  • Patent number: 6199016
    Abstract: 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. The A/D Conversion Device is connected to the serial port of the Notebook Computer. The A/D Conversion Device comprises an Analog/Digital Converter modified to replace its quartz resonator with a Frequency Generator for providing a predetermined sampling rate, and a Signal Amplifier. An external sensor is attached by a cable to the input of the Signal Amplifier. A 12 volt power supply powers the Signal Amplifier, the modified A/D converter, and the Notebook Computer. In use, the external sensor is placed on the ground at the first spot it is desired to take a reading. The ground is then lightly tapped in the near vicinity of the sensor either with one's finger or a hammer.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: March 6, 2001
    Assignee: Environmental Investigations Corporation
    Inventor: Igor V. Zuykov
  • Patent number: 6084825
    Abstract: 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 series of test seismic processing sequences are applied to the input raw gathers to obtain test seismic output data. The RMS value of the test seismic output data is normalized to that of the reference seismic output data on a trace by trace basis. The normalized difference between the test and the reference seismic output data is calculated on a sample by sample basis in the time domain and are displayed on color coded plots in the time scale format over the CDP range. Linear regression is performed for each CMP gather to obtain the stack and the zero offset calculated for each time index and the difference is recorded. The normalized differences between the error for the test and the reference sequences are calculated and displayed on color coded plots.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: July 4, 2000
    Assignee: Western Atlas International, Inc.
    Inventor: Elio Poggiagliolmi
  • Patent number: 6014344
    Abstract: 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 data traces. This enhancement can be accomplished in a variety of ways. In a second embodiment, the negative second difference is calculated at each sample point along the zero-phase seismic data trace to enhance bends or kinks in the data, as well as peaks and troughs.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: January 11, 2000
    Assignee: Exxon Production Research Company
    Inventor: Robert Allison Baker, III
  • Patent number: 5995448
    Abstract: 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. This invention, by accentuating the subtle variations of the seismic waveforms, extends the effective resolution of data interpretation beyond the range allowed by current methodology.This invention accomplishes this by extracting a suite of measurements form a sequence of fixed time domain operator windows, and then using three measurements to form a multivariate attribute to transform the raw stacked seismic data. The measurements used in the multivariate attribute are selected from a standardized suite, and are amplitude based, autocorrelation function based and waveform shape based, with each combination selected to emphasize certain data characteristics.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: November 30, 1999
    Inventor: Steven Krehbiel
  • Patent number: 5987388
    Abstract: 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 (LS.sub.j) of the volume (V). For each slice (LS.sub.j), stripe artifacts are eliminated (36) by adjusting pixel values to account for lines that are unduly bright or dim (and thus artifacts of processing). Linear features are enhanced by applying a modified Gumey-Vanderburg algorithm (62) to pixel windows, such that intensity values of pixels are enhanced according to the extent to which the pixels reside in a line. Detection of lines in the enhanced lateral slice is then performed by summing pixel intensities over a window at varying directions (72), and associating, with a center pixel, an amplitude value corresponding to the maximum sum and a direction value associated with this sum.
    Type: Grant
    Filed: December 26, 1997
    Date of Patent: November 16, 1999
    Assignee: Atlantic Richfield Company
    Inventors: Michael F. Crawford, Donald A. Medwedeff
  • Patent number: 5661697
    Abstract: 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 slope traces are generated, preferably after normalization of the amplitudes of the traces to account for geophone coupling variations. After normalization and conventional processing and corrections, spatial summation may be performed to further improve the traces. AVO trend lines are then generated, preferably on a weighted window basis, to generate localized trend lines against which the intercept and slope values of individual depth points may be compared. This comparison allows the plotting of AVO intercept versus AVO slope deviation from the trend line, from which sand formation interfaces may be identified by their presence in certain quadrants of the intercept-slope deviation cross-plot.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: August 26, 1997
    Assignee: Atlantic Richfield Company
    Inventors: Herbert W. Swan, Kenneth O. McDowell, James A. Specht
  • Patent number: 5453958
    Abstract: 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 defined herein, relate to the change in seismic amplitude (Delta Amplitude) as divided by the Dip magnitude at each grid point. According to a preferred embodiment, colors are assigned to grid points based on the sign of the DAD values, and such assigned colors are plotted onto a depth/time contour map of the subterranean surface to result in a display which clearly indicates the location of any hydrocarbons.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: September 26, 1995
    Assignee: Phillips Petroleum Company
    Inventor: Dennis B. Neff
  • Patent number: 5440525
    Abstract: 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 offset slope, or B, traces. AB cross plots of each trace are then generated. Each sample point on the cross plot is then assigned a value corresponding to its deviation from the regression line of the cross plotted AB points. The assigned values are then plotted in their corresponding time sample positions to generate a trace or display providing a direct indication of hydrocarbons.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: August 8, 1995
    Assignee: Atlantic Richfield Company
    Inventors: Samir K. Dey-Sarkar, Douglas J. Foster, Steven W. Smith, Herbert W. Swan
  • Patent number: 5239467
    Abstract: 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 of geophysical data is compressed to more nearly approximate the inherent dynamic range limitations of visual displays of the geophysical data.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: August 24, 1993
    Assignee: Amoco Corporation
    Inventors: Michael C. Kelly, Jean M. Rickert
  • Patent number: 5057021
    Abstract: 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 symbols such as a nail so that the location of each nail head and the orientation of its tips are respectively representative of the amplitude of the dip and the azimuth direction of the dip. Each nail head is colored as a function of the direction of the dip with the color selected from a palette comprising a plurality of colors corresponding to dip azimuth directions.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: October 15, 1991
    Assignee: Schlumberger Technology Corporation
    Inventor: Jean-Pierre Delhomme
  • Patent number: 5018112
    Abstract: 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 reservoir structure. Having identified a parameter, the 3-D data can then be examined in a selected time window for presence of the critical parameter and X, Y gridding of its relative value. The relative values are then output to visual plot to provide a plan view of reservoir structure.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: May 21, 1991
    Assignee: Conoco Inc.
    Inventors: Roger P. Pinkerton, Beverly Stebens
  • Patent number: 4970699
    Abstract: 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 displays of the combined components of the multicomponent geophysical data.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: November 13, 1990
    Assignee: Amoco Corporation
    Inventors: Rhoda H. Bucker, Kurt J. Marfurt, Timothy D. Stanley
  • Patent number: 4964096
    Abstract: 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 seismic energy imparted therein can be inverted to obtain measures of formation elastic properties. By cross-plotting selected formation elastic properties on a color-binned lithology diagram, a lithology section can be produced having increased lithological resolution.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: October 16, 1990
    Assignee: Amoco Corporation
    Inventor: Gary M. Ruckgaber
  • Patent number: 4945519
    Abstract: 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 phase signal is obtained for a complex signal formed from seismic data exponentiated to a selected power. Displays of the exponentiated phase signal can be produced which visually highlight subtle variations in the earth's geological and lithological structure.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: July 31, 1990
    Assignee: Amoco Corporation
    Inventors: Timothy D. Stanley, John H. Bodine
  • Patent number: 4926394
    Abstract: 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 classes.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: May 15, 1990
    Assignee: Western Atlas International, Inc.
    Inventor: Philippe M. Doyen
  • Patent number: 4843599
    Abstract: 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 single-component and multicomponent nonscalar data can be uniquely displayed separately or combined by chromatic vector addition and uniquely displayed concurrently. More partiuclarly, the present invention provides a method for producing separate, continuous color displays of seismic data as well as a method for combining multiple sets of seismic data, by vector chromatic addition, to uniquely display two or more sets of seismic data concurrently.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: June 27, 1989
    Assignee: Amoco Corporation
    Inventor: Rhoda H. Bucker
  • Patent number: 4811220
    Abstract: 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 transfer functions for the magnetotelluric fields are displayed, as normalized impedance polar diagrams, properly oriented at appropriate probing depths using a logarithmic vertical coordinate. The form of these and other normalized polar diagrams provide geologic information on local-structure dimensionality. Colors are derived and assigned to particular azimuthal segments of the normalized impedance polar diagrams in order to identify rock properties in particular directions at depth. This unique combination results in structural and rock property information being simultaneously displayed in a single trace.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: March 7, 1989
    Inventor: Robert B. McEuen
  • Patent number: 4764904
    Abstract: 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 intersecting shooting lines (6a-6d). In order to achieve a shorter processing time for procuring such maps, the data representing the individual structural layers (5a-5n) referred to a fixed reference line (2a) are procured as a color coded echo line (12h) on a graphic data screen (22), the indication of depth being given as a color value in relation to a preselected color scale (40). The interpreter can insert between the various points having the same color value on the echo line (12h) fresh interpreted values in the same grid according to the same color code, so that for each structural layer (5a-5n, 12a-12n, respectively) there can be provided a mapping (60a-60n) having surface adaptations given in various color values directly on the screen (22).
    Type: Grant
    Filed: September 17, 1985
    Date of Patent: August 16, 1988
    Assignee: Geophysical Company of Norway AS
    Inventors: Per Salomonsen, Lars Sonneland
  • Patent number: 4694438
    Abstract: 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 associated with a source-receiver pair separated by a particular offset distance, and all the traces are associated with a common subsurface reflection point. Each of the traces is filtered through a bank of band-pass filters to produce a set of filtered traces, each having a different frequency content, for each offset value. The filtered traces associated with a particular offset value are displayed in order of progressively changing frequency content, and the filtered traces associated with a particular frequency band are displayed in order of progressively changing offset value.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: September 15, 1987
    Assignee: Exxon Production Research Company
    Inventor: Mrinal K. Sengupta
  • Patent number: 4661935
    Abstract: 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.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: April 28, 1987
    Assignee: Phillips Petroleum Company
    Inventors: Clifford L. Shock, Colin Johnson
  • Patent number: 4646239
    Abstract: 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 indicative of amplitude variations in the offset seismic signals corresponding to the seismic event as a function of incident angle are obtained therefrom. The first set of attributes provide a seismologist with a diagnostic tool for quantitatively evaluating subtle changes in the seismic event. A second set of attributes which are functions of the first set of attributes provide the seismologist with additional diagnostic tools for evaluating subtle changes in the seismic events.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: February 24, 1987
    Assignee: Standard Oil Company
    Inventors: John H. Bodine, Jonathan Bork, Richard M. Alford, James H. Wright, Leon A. Thomsen
  • Patent number: 4633399
    Abstract: 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 develop a new instantaneous phase parameter referred to as phase of rectified trace (PORT). Output data may be further enhanced with tri-modal, interactive color display.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: December 30, 1986
    Assignee: Conoco Inc.
    Inventors: Beverly Stebens, Roger K. Parsons, Robert T. Baumel, Donna K. Terral, Matthew J. Yedlin
  • Patent number: 4633447
    Abstract: 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 correlating a seismic signal fo formation geology and lithology. In accordance with the present invention, the response waveform characteristics are chromatically quantified and the intensity of which can be modulated so as to enhance the signal-to-noise ratio of the displayed response waveform characteristics.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: December 30, 1986
    Assignee: Amoco Corporation
    Inventor: John H. Bodine
  • Patent number: 4590592
    Abstract: 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 point on an axis extending away from the center point representing amplitude response at locations on the line of exploration. Points disposed circumferentially about said axis amplitude response at different azimuth angles from the line of exploration and points at different radial distances from the center point represent amplitude response at different dip angles.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: May 20, 1986
    Assignee: Mobil Oil Corporation
    Inventors: Bonita F. Bowman, Keh Pann, Maynard S. Redeker
  • Patent number: 4571710
    Abstract: 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 will be localized in terms of position along the seismic profile and in approximate zone of reflection arrival time. Data used in making the display are derived from both the CDP stacked seismic profile and corresponding velocity analyses used also to stack the data itself. Stacking velocity curves are plotted according to CDP location for each reflector designated by an interpreter to be of interest. These curves are overlain in pairs using calibration calculations and empirical criteria. Calibration helps smooth "noisy" values and compensates for velocity variations resulting from changes in separation or dip of the two reflectors from which the overlain velocity curves derive.
    Type: Grant
    Filed: August 31, 1982
    Date of Patent: February 18, 1986
    Inventors: Norman S. Neidell, Ernest E. Cook
  • Patent number: 4558438
    Abstract: 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 in memories in an image processor. The data representative of one plane is displayed and recorded on a medium such as video tape. An image is then formed using a large fraction of the value of the data representative of one plane and a smaller fraction of the data representative of the next plane, and that image is stored. Successive images are formed using decreasing fractional amounts of the data representative of the first plane and increasing fractional amounts of the data in the next plane. Each image is stored and displayed, the display presenting a sequence of images which appear to merge or dissolve smoothly from one to the next. The process is repeated through all stored strata.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: December 10, 1985
    Assignee: Gulf Research & Development Company
    Inventors: Richard C. Jones, John M. Powell
  • Patent number: 4467461
    Abstract: Method and apparatus for concurrently and interactively displaying a selected plurality of measurable properties of geophysical data to empirically derive the best combined presentation of the selected attribute properties for interpretation. The technique of the present invention allows the interpreter to more easily comprehend simultaneous variation of several geophysical data attributes and to relate the effects to a specific end result for the geophysical indicators of interest. In accordance with the method, the one or more geophysical attribute variables are quantified and then rasterized so that the data is represented as a gridded variable area display wherein color intensity of the grid units is some function of the instantaneous variable. The resulting data is then loaded into digital refresh memory of an image processing computer whereupon it us interactively mixed for analysis in accordance with operator selected colors and color intensity weighting.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: August 21, 1984
    Assignee: Conoco Inc.
    Inventor: George W. Rice
  • Patent number: 4279026
    Abstract: A new and improved method of forming a color graphic display from seismographic input data is disclosed. The input data sequence is processed to obtain the absolute value of each amplitude value and to select the maximum amplitude value of each oscillation of the waveform. A predetermined number of the largest selected values are classified into a first range of values, the remaining values are scaled according to magnitude into a preset number of ranges and an assignment table is formed with each range being represented by a primary or secondary color. Data corresponding to a first group of ranges of input data is processed to form a representation for a particular color. Similarly, the remaining data groups, corresponding to the remaining ranges, are processed to form a representation of the remaining colors. The image of each representation is sequentially transferred to a sheet and the images are colored with their respective colors, thus producing a color display of the seismic data.
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: July 14, 1981
    Assignee: Cities Service Company
    Inventors: Orbie N. Lambright, Mangat R. Thapar
  • Patent number: 4228529
    Abstract: A two dimensional display is prepared representing a cross section of the earth and designed to establish natural data lineations. The vertical axis is marked in terms of a parameter of depth below the earth's surface and along the horizontal axis, are marked seismic receiver stations. For each station, a graph of an intrinsic lithologic property as a function of depth is computed and plotted beneath the corresponding station. Contour crossing points are determined at unit intervals along the plotted graph together with the sign of the corresponding derivative. Contour crossing points, beneath adjacent stations, that match as to numerical value and derivative sign are connected by contour segments. Shading patterns are applied to the zones between contour segments to enhance the natural lineation of the chosen intrinsic lithologic function.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: October 14, 1980
    Assignee: Western Geophysical Co. of America
    Inventors: I-Chi Hsu, Anne L. Simpson