Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8174926 | Method for wavefield separation for dual-sensor data using kirchhoff-type datuming and migration A first weighted integral operator is applied to dual-sensor data to extrapolate the dual-sensor data to a first position above an acquisition surface, generating extrapolated data. A second weighted integral operator is applied to the extrapolated data to extrapola... | 05/08/2012 |
| 8077543 | Mitigation of noise in marine multicomponent seismic data through the relationship between wavefield components at the free surface A method and apparatus implementing a technique for mitigating noise in seismic data are presented. The technique includes estimating a noise component in a set of multicomponent seismic data representing a recorded wavefield from the relationship at the free surfac... | 12/13/2011 |
| 7969818 | Method for regularizing offset distribution in towed seismic streamer data Seismic data from towed marine streamers are sorted into two-dimensional common midpoint gathers of traces. The gathered traces are ordered by offset. The offset distribution of the ordered traces is regularized. The source and receiver coordinates of the regularize... | 06/28/2011 |
| 7944774 | Method for determining adequacy of seismic data coverage of a subsurface area being surveyed and its application to selecting sensor array geometry A method for marine seismic surveying includes towing seismic sensors in a plurality of streamers in the water, actuating a seismic energy source in the water at selected times and detecting seismic signals at the sensors resulting from the actuation of the source. ... | 05/17/2011 |
| 7881154 | Seismic processing for the elimination of multiple reflections Seismic processing method, in which, in order to eliminate multiple reflections on seismic data, seismic data are migrated in time or in depth (110) arid the data thus migrated are processed to determine an approximation of multiple reflections to be subtract... | 02/01/2011 |
| 7869303 | Method for noise suppression in seismic signals using spatial transforms A method for identifying a position of a source of noise in a marine seismic record includes defining, for at least one shot record, a set of possible noise source positions. A difference between travel time of noise from each possible noise source position to each ... | 01/11/2011 |
| 7835223 | Removing noise from seismic data obtained from towed seismic sensors A technique includes obtaining different sets of data, which are provided by seismic sensors that share a tow line in common. Each data set is associated with a different spatial sampling interval. The technique includes processing the different sets of data to gene... | 11/16/2010 |
| 7782708 | Source signature deconvolution method A method of filtering seismic signals is described using the steps of obtaining the seismic signals generated by activating a seismic source and recording signals emanating from the source at one or more receivers; defining a source signature deconvolution filter to... | 08/24/2010 |
| 7646672 | Method for wavefield separation in 3D dual sensor towed streamer data with aliased energy in cross-streamer direction Pressure records and vertical particle velocity records from dual sensor towed streamer data are transformed to the inline wavenumber domain. A series of scaling filters are applied to the transformed vertical particle velocity records at each inline wavenumber, whe... | 01/12/2010 |
| 7646671 | Method for processing marine towed streamer seismic data from regular multi-azimuth surveys Marine towed streamer seismic data are combined from a first survey and a second survey, wherein the first survey and the second survey are shot with a bin size of L×L and the second survey is shot with a shooting direction rotated 90° relative to the shooting dir... | 01/12/2010 |
| 7636275 | Direct time lapse inversion of seismic data A method and system of seismic data processing includes acquiring first and second prestack seismic datasets wherein the seismic datasets have a time-lapse relationship. The first prestack seismic dataset is inverted to determine a first source wavelet data set and ... | 12/22/2009 |
| 7630276 | Method for determination of differential transfer function between two closely spaced hydrophones Methods and apparatus for determining an accurate differential transfer function (DTF) between two closely spaced hydrophones in a dual-hydrophone configuration such that the wavefield may be properly separated into up- and down-going components are provided. The me... | 12/08/2009 |
| 7554881 | Determining seawater conductivity for the compensation of electromagnetics-based survey data A technique includes obtaining seismic data, which was acquired during a seismic survey in seawater. The technique includes based on the seismic data, determining a conductivity of the seawater and processing data obtained from an electromagnetics-based survey based... | 06/30/2009 |
| 7551515 | Source signature deconvolution method A method of filtering seismic signals is described using the steps of obtaining the seismic signals generated by activating a seismic source and recording signals emanating from the source at one or more receivers; defining a source signature deconvolution filter to... | 06/23/2009 |
| 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 |
| 7382682 | Processing seismic data The invention relates to processing seismic data that contains both a desired signal and swell noise. The method is applicable to seismic data is in the frequency-space domain method and comprises determining a signal-only prediction filter from the seismic data at ... | 06/03/2008 |
| 7372769 | Method and apparatus for adaptive over/under combination of seismic data The present invention provides a method and apparatus for wave field separation. The method includes determining a first operator using marine seismic data acquired at a first depth and receivers deployed at a second depth, determining a second operator using marine... | 05/13/2008 |
| 7359283 | System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers Signals of pressure sensors and particle motion sensors located in marine seismic streamers are combined to generate pressure sensor data and particle motion data with substantially the same broad bandwidth. The noisy low frequency part of the motion signals are cal... | 04/15/2008 |
| 7336561 | System for attenuation of water bottom multiples in seismic data recorded by pressure sensors and particle motion sensors An up-going wavefield and a down-going wavefield are calculated at a sensor position from a pressure sensor signal and a particle motion sensor signal. Then, an up-going wavefield is calculated at a water bottom position substantially without water bottom multiples ... | 02/26/2008 |
| 7333392 | Method for estimating and reconstructing seismic reflection signals A method for reconstructing seismic data signals of poor quality to improve the signal-to-noise ratio of the data for display and analysis in connection with the selection of drilling sites for recovery of hydrocarbons. The method includes providing a signal model b... | 02/19/2008 |
| 7321526 | Method and apparatus for water velocity decomposition The present invention provides a method for analyzing traces collected along a plurality of adjacent sail lines in a marine seismic survey area. The method comprises selecting a plurality of trace groups, at least one trace in each group sharing a common midpoint wi... | 01/22/2008 |
| 7319636 | Calibration of pressure gradient recordings A method for computing a pressure signal gradient. The method includes recording a plurality of pressure signals at least one of a first receiver and a second receiver. The first receiver and the second receiver are disposed within a cluster. The method further incl... | 01/15/2008 |
| 7315486 | Library of velocity dependent extended spread-spectrum codes A method and apparatus is provided for determining a propagation time delay. The apparatus includes at least one source adapted to generate a plurality of positioning signals, at least one receiver deployed along a seismic sensing cable, wherein the receiver is adap... | 01/01/2008 |
| 7293520 | Control system for positioning of a marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 11/13/2007 |
| 7222579 | Control system for positioning of marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 05/29/2007 |
| 7222023 | Methods and apparatus for processing seismic data A method of processing seismic data comprises identifying the value of a first parameter associated with an event in a first set of seismic data. The value of a second parameter associated with a corresponding event in a second sent of seismic data is then obtained ... | 05/22/2007 |
| 7218890 | Seismic telemetry system A system for remotely controlling, acquiring and monitoring the acquisition of seismic data. The system includes remote equipment for collecting seismic data and for transmitting and receiving communication signals to and from a remote location. The system also incl... | 05/15/2007 |
| 7164619 | Method of processing marine seismic data and a method of seismic surveying A method of determining seismic properties of a layer of the seabed, in particular a surface or near-surface layer (5), comprises directing seismic energy propagating in a first mode at a boundary face of the layer so as to cause partial mode conversion of th... | 01/16/2007 |
| 7130242 | System and method for detecting an acoustic signal in the presence of flow noise A system and method are provided for detecting an acoustic signal in the presence of flow noise produced by the turbulent flow field that develops about a hosewall of a towed array. Pressure is sensed with pressure sensors at two diametrically-opposed locations at t... | 10/31/2006 |
| 7123543 | Method for seismic exploration utilizing motion sensor and pressure sensor data A method is disclosed for deghosting seismic data. The data include measurements of a vertical component of particle motion and pressure. The measurements are substantially collocated and made at a plurality of spaced apart positions. The method includes transformin... | 10/17/2006 |
| 7120087 | Electronics-carrying module An electronic-carrying module (640), for example for use with a seismic data acquisition cable (400), is disclosed. The preferred electronic-carrying module (640) includes, first, an electronics carrier (106) having access means (107 | 10/10/2006 |
| 7113448 | Water bottom cable seismic survey cable and system A seismic sensor cable is disclosed. The cable includes an outer jacket disposed on an exterior of the cable. The outer jacket excludes fluid from entering an interior of the cable. A reinforcing layer disposed within the outer jacket, which includes at least one el... | 09/26/2006 |
| 7092824 | Methods and systems for interactive investigation of geophysical data Methods and systems are provided for investigating an image set of geophysical data distributed over a first N-dimensional volume where N≧2. A subvolume that encloses a known feature of interest within a target set of geophysical data distributed over a second N-d... | 08/15/2006 |
| 7082367 | Seismic data calibration using crossplotted AVO attributes Disclosed herein are systems and methods for calibrating seismic data using seismic attribute pairs such as amplitude versus offset (AVO) attributes. In one embodiment, a method includes: receiving traces from a seismic survey that covers a volume; determining a pai... | 07/25/2006 |
| 7080607 | Seismic data acquisiton equipment control system A method of controlling a streamer positioning device configured to be attached to a marine seismic streamer and towed by a seismic survey vessel and having a wing and a wing motor for changing the orientation of the wing. The method includes the steps of: obtaining... | 07/25/2006 |
| 7078619 | Universal seismic data acquisition module A universal seismic data acquisition module includes independent environmental isolation chambers for essential signal processing circuitry and for cable connection unions. Cable connection unions are rapidly replaced without opening the main protective chamber. Dif... | 07/18/2006 |
| 7068568 | Method of processing seismic data A method of de-ghosting seismic data acquired in a marine seismic survey comprises estimating ∂zp (where p is the fluid pressure) from a time-derivative of p and a derivative of p in a horizontal direction such as the x-direction. The time-derivative of... | 06/27/2006 |
| 7060892 | Method of transmitting electrical power A method is provided for reducing the stray noise associated with the transmission of the electrical power between a power source and a target. The method includes the step of interconnecting the power source and the target with a conductor. A shield is positioned a... | 06/13/2006 |
| 7061829 | Water bottom cable seismic survey cable and system A seismic sensor cable is disclosed. The cable includes an outer jacket disposed on an exterior of the cable. The outer jacket excludes fluid from entering an interior of the cable. A reinforcing layer disposed within the outer jacket, which includes at least one el... | 06/13/2006 |
| 7050355 | Determining the orientation of a seismic receiver, a seismic receiver, and a method or seismic surveying The invention provides a method of determining the orientation of a seismic receiver (4, 6) from seismic data acquired at the receiver (4, 6). The determined orientation can be taken into account in subsequent analysis of the seismic data. This avoids ... | 05/23/2006 |
