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| Number | Title | Issue Date |
| 7680599 | Devices and method for detecting emplacement of improvised explosive devices An explosive device detection system includes sensors and base station that detect and report on suspected Improvised Explosive Devices (IED) or landmine emplacement activity within a geographic area. When disposed within a geographic area, each sensor forms part of... | 03/16/2010 |
| 7668657 | Seismic measuring system including GPS receivers A system for determining positions of fixed-position GPS receives that have restricted views of the sky includes a data recording and control center, and one or more base GPS receivers with associated antennas with a substantially unrestricted views of the sky. The ... | 02/23/2010 |
| 7664602 | Method and apparatus for quantitative determination of sediment physical properties of seabed and layered subbottom using single-channel seismic-reflection profiling data A method for the quantitative characterization of a seabed sediment composition and a seabed's layered subbottom structure from at least one normal-incidence, single-channel reflection acoustic amplitude time series seismogram is disclosed. The method detects a plur... | 02/16/2010 |
| 7660674 | Method for determining seismic data quality The present invention determines seismic data quality for a plurality of locations within a seismic survey for a geologic or geophysical region of interest. The present invention additionally includes generating correlation coefficients which relate to the seismic d... | 02/09/2010 |
| 7647183 | Method for monitoring seismic events A microseismic method of monitoring fracturing operation or other microseismic events in hydrocarbon wells is described using the steps of obtaining multi-component signal recordings from a single monitoring well in the vicinity of a facture or event; and rotating o... | 01/12/2010 |
| 7627431 | Method for processing seismic data corresponding to acquisitions from a medium with azimuthal anisotropy Method of processing seismic data corresponding to acquisitions carried out in a medium exhibiting azimuthal anisotropy, characterized in that for two sets of data corresponding, for one and the same seismic variable and for one and the same ground zone, to at least... | 12/01/2009 |
| 7627432 | System and method for computing analytics on structured data A system, method and computer storage medium are provided for computing analytics on structured data from at least one data source. Statistical estimates are computed using a statistics object. Software is provided which is capable of performing any of the data proc... | 12/01/2009 |
| 7603238 | Analysis of time-series data using singularities A method for acquiring and analyzing time-series data using singularities is described. This method allows for the analysis of data over a wide spectrum of frequencies. Once the data is acquired in an oil field, singularities of the data are extracted; and the extra... | 10/13/2009 |
| 7590491 | Signal integration measure for seismic data A method and system of processing seismic data includes acquiring seismic data, determining a frequency spectrum for the seismic data and determining an amplitude value associated with a local minimum frequency from the frequency spectrum to obtain an IZ minimum-amp... | 09/15/2009 |
| 7584056 | Multiple suppression in angle domain time and depth migration Seismic data may be imaged using or recognizing substantially only primary reflections. Imaging seismic data may include for example integrating a plurality of seismic data points that have substantially similar arrival directions, for example, to a modeled primary ... | 09/01/2009 |
| 7577529 | Method for determining attributes associated with net-sand thickness The present invention provides a method for determining net-sand thickness and net-reservoir volume over a broad range of gross sand thickness in a target zone. A net-resource attribute is designed to estimate net-sand thickness based upon the inner product of the d... | 08/18/2009 |
| 7558676 | High accuracy survey-grade GIS system A method of coordinating surveys of different origins and which may be projected into different coordinate systems. The method provides a translation and rotation of the surveys to be coordinated without disturbing the internal geometry of each survey. A geographic ... | 07/07/2009 |
| 7558677 | High accuracy survey-grade GIS system A method of coordinating surveys of different origins and which may be projected into different coordinate systems. The method provides a translation and rotation of the surveys to be coordinated without disturbing the internal geometry of each survey. A geographic ... | 07/07/2009 |
| 7558678 | High accuracy survey-grade GIS system A method of coordinating surveys of different origins and which may be projected into different coordinate systems. The method provides a translation and rotation of the surveys to be coordinated without disturbing the internal geometry of each survey. A geographic ... | 07/07/2009 |
| 7539578 | VH signal integration measure for seismic data A method and system of processing seismic data includes acquiring three-component seismic data and combining horizontal components of the three-component seismic data to obtain a merged horizontal component. Frequency spectra are determined for the acquired three-co... | 05/26/2009 |
| 7526386 | Seismic measuring system including GPS receivers A deformation monitoring system includes a data recording and control center, one or more base receivers with associated antennas that have a substantially unrestricted view of the sky and acquire and track satellite signals used for global positioning and slave rec... | 04/28/2009 |
| 7523003 | Time lapse marine seismic surveying In a first aspect, a method for use in a time lapse, marine seismic survey includes accessing a set of baseline seismic data; accessing a set of acquired, time lapse seismic data; and interpolating a set of time lapse seismic data from the baseline seismic data and ... | 04/21/2009 |
| 7516016 | Method for improving prediction of the viability of potential petroleum reservoirs A method for improving prediction of the viability of potential petroleum reservoirs, utilises a rock physics model appropriate for porous media, in which some of the solid material is “floating” or not involved in load support, and predicts permeability on the ... | 04/07/2009 |
| 7496452 | Correction for errors caused by variation in water conditions Method for processing seismic data to correct for errors caused by variation in water conditions. In one implementation, the method may include (a) applying a dip correction to a plurality of observed water bottom reflection times using a model water velocity and an... | 02/24/2009 |
| 7477992 | Method for combining seismic data sets A method for combining seismic data sets has application in merging data sets of different vintages, merging data sets collected using different acquisition technologies, and merging data sets acquired using different types of sensors. In one embodiment, a desired d... | 01/13/2009 |
| 7440853 | Systems and methods for detecting shallow buried objects The invention relates to a seismic system having an array of nodes, each capable of emitting and detecting seismic signals. The array of nodes is mounted on a mobile platform in a certain geometry and is configured to acquire subsurface data, and more particularly d... | 10/21/2008 |
| 7436735 | Method for seismic processing, in particular for compensating birefringence on seismic traces A method of seismic processing for obtaining information on the geophysics of the subsoil includes acquiring seismic traces at at least one point on the surface of the subsoil or in the subsoil, the seismic traces corresponding on each occasion to two perpendicular ... | 10/14/2008 |
| 7425902 | Systems and methods for evaluating geological movements Systems and methods for monitoring and tracking transients caused by geological events are provided. In one embodiment, a geological event monitoring system is provided. The system comprises a sensor array having a plurality of geologic activity sensors adapted to r... | 09/16/2008 |
| 7426439 | Method and apparatus for marine seismic data acquisition The present invention provides a method and apparatus for seismic data acquisition. One embodiment of the method includes accessing data acquired by at least two particle motion sensors. The data includes a seismic signal and a noise signal and the at least two part... | 09/16/2008 |
| 7426438 | Technique to provide seismic data-based products A technique includes providing a pricing scheme to sell at least one seismic data-based product. The seismic data-based product(s) are generated from seismic data that is obtained from at least one sensor in tow, and the seismic data includes particle motion data, w... | 09/16/2008 |
| 7424367 | Method for predicting lithology and porosity from seismic reflection data Method for predicting lithology and porosity of subsurface rocks from seismic reflection data. The seismic data is inverted to yield elastic properties of the rocks such as the compressional and shear impedances. A rock physics model is built to relate porosity, the... | 09/09/2008 |
| 7421346 | Processing seismic data A method of matching the impulse response of a hydrophone and the impulse of a geophone accelerometer comprises performing a calculus operation upon the response of one of the hydrophone and the accelerometer. A filter is then derived from the output of the calculus... | 09/02/2008 |
| 7418350 | Method, media, and signals for processing seismic data to obtain a velocity field A method and apparatus for estimating a seismic velocity field from seismic data including time-amplitude representations associated with source-receiver locations spaced apart by an offset distance and having a midpoint therebetween, the seismic data being arranged... | 08/26/2008 |
| 7418349 | Method of and apparatus for processing seismic data A method of processing seismic data that includes including first and second modes of seismic energy where the second mode has been generated by partial mode conversion of the first mode at a boundary face of a layer of the seabed includes the step of cross-correlat... | 08/26/2008 |
| 7415401 | Method for constructing 3-D geologic models by combining multiple frequency passbands A process for constructing a three-dimensional geologic model of a subsurface earth volume wherein resolution scales of multiple diverse data types, including seismic data, are accounted for by generating multiple frequency passband models and combining them togethe... | 08/19/2008 |
| 7406383 | Method of estimating the illumination fold in the migrated domain The invention relates to an estimate of the seismic illumination fold (x, p) in the migrated 3D domain at an image point x, for a dip of vector p characterized in that the illumination fold I (z, p; s, r) is estimated for each (source s, receiver r) pair in the seis... | 07/29/2008 |
| 7403858 | Method for detecting an occurrence zone of a mantle diapir finger location The invention covers the mining industry. Detection method of the occurrence zone of the mantle substance diapir finger consisting in that that geological observation are carried out in riftzones banked up by diapirs of the abnormal mantle and places of location of ... | 07/22/2008 |
| 7400978 | Method for updating a geologic model by seismic data A method of predicting petrophysical characteristics of an underground reservoir by constructing a geologic model consistent with seismic measurements is disclosed which permits optimization of oil reservoir development schemes. A geologic model, from which seismic ... | 07/15/2008 |
| 7400552 | Methods and systems for efficiently acquiring towed streamer seismic surveys Methods and systems for efficiently acquiring towed streamer marine seismic data are described. One method and system comprises positioning a plurality of source-only tow vessels and one or more source-streamer tow vessels to acquire a wide- and/or full-azimuth seis... | 07/15/2008 |
| 7389184 | Downhole library of master wavelets for VSP-while-drilling applications A controllable seismic source is used in a seismic-while-drilling system for obtaining VSP data. Coded information is sent downhole about the signal generated by said controllable source. The information about the seismic source is used for reconstructing the source... | 06/17/2008 |
| 7386431 | Method system and program storage device for simulating interfacial slip in a hydraulic fracturing simulator software A method, practiced by a Hydraulic Fracturing Simulator software, is adapted for simulating a hydraulic fracture in an Earth formation, the formation including a plurality of layers, a slip zone, which represents a debonding between adjacent layers of the Earth form... | 06/10/2008 |
| 7386397 | Processing seismic data A method of determining a vertical component of particle velocity from seismic data acquired using at least one receiver disposed within a water column comprises determining the vertical component of particle velocity from the pressure at a first location and a seco... | 06/10/2008 |
| 7383132 | Method for identifying resistivity anomalies in electromagnetic survey data Method for enhancing resistive anomalies in electromagnetic geophysical survey data. Scaled values of a measured electromagnetic field parameter are plotted on a depth section at locations related to corresponding source/receiver locations. Scaling is performed rela... | 06/03/2008 |
| 7383133 | Diffuse seismic imaging systems and methods Systems and methods are disclosed to construct subsurface images from diffuse seismic energy. Various disclosed system embodiments include multiple seismic sensors that each convert received seismic energy into one or more seismic signals. One or more processor comb... | 06/03/2008 |
| 7376516 | High accuracy survey grade GIS system A method of coordinating surveys of different origins and which may be projected into different coordinate systems. The method provides a translation and rotation of the surveys to be coordinated without disturbing the internal geometry of each survey. A geographic ... | 05/20/2008 |