Matches 1 - 37 out of 37


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US20120081998 Method for Offset Timing of Simultaneous Seismic Source Firing  
A technique enables measuring of the actual firing sequence times in a seismic survey application. The actual firing sequence times are then employed in simultaneous source resolution methods. For...
US20100149912 SYSTEM AND METHOD FOR REDUCING SIGNATURE VARIATION OF SEISMIC SOURCES  
A technique facilitates the reduction of seismic source signature variation during a seismic survey. The technique involves estimating an azimuth angle and/or a departure angle for one or more...
US20140016435 ACQUISITION SCHEME FOR VIBROSEIS MARINE SOURCES  
Control mechanisms, computer software and methods for driving vibrational source arrays underwater. An incoherent acquisition scheme drives individual source elements simultaneously and...
US20100002539 ZERO-OFFSET SEISMIC TRACE CONSTRUCTION  
Described are methods for obtaining seismic signals representative of properties of the earth's interior, including the steps of obtaining near-field acoustic signals recorded in the vicinity of a...
US20150204992 Operational Control in a Seismic Source  
A method for controlling trajectory in a resonant marine seismic source comprises: controlling the source frequency and controlling the motion trajectory. Controlling the source frequency...
US20130163375 FACILITATING OPERATION OF A SEISMIC SOURCE  
A technique facilitates use of a seismic source when deployed in-sea via a vessel. Shock levels acting on the vessel (or other body) due to firing of a seismic source and/or the separation...
US20100008185 METHOD TO ACQUIRE SIMULTANEOUSLY SEISMIC DATA WITH SOURCE ARRAYS DESIGNED FOR SPECIFIC TARGETS  
A method and apparatus for acquiring seismic data. In one embodiment, the method includes: moving a first air gun array in the water at a first depth and a second air gun array in the water at a...
US20130155810 METHOD AND DEVICE FOR SEPARATING SEISMIC SIGNALS FROM SEISMIC SOURCES  
System and method for actuating first and second marine acoustic sources in a firing sequence, the firing sequence including at least a first actuation of the first source followed by a first...
US20140369163 STATIONARY MARINE VIBRATORY SOURCE FOR SEISMIC SURVEYS  
There is a method for obtaining control of a source array configured to generate seismic waves. The method includes accessing an interface unit attached to a fixed structure that is substantially...
US20140112097 VARIABLE-DEPTH SEISMIC SOURCE AND METHOD  
Method and marine acoustic source array for generating an acoustic wave in a body of water. The marine acoustic source array includes at least one sub-array. The at least one sub-array includes a...
US20130088938 SUBSURFACE IMAGING SYSTEMS AND METHODS WITH MULTI-SOURCE SURVEY COMPONENT SEGREGATION AND REDETERMINATION  
A disclosed subsurface imaging method begins by obtaining initial signals from a geophysical survey that has been acquired with multiple geophysical energy sources actuated in a plurality of...
US20130286776 METHOD FOR MANAGING A MULTI-VESSEL SEISMIC SYSTEM  
A method for managing a multi-vessel seismic system including a first vessel, having a recording system and towing a streamer integrating seismic sensors, and a second vessel, including at least...
US20130070559 STEERABLE SOURCE ARRAY AND METHOD  
Method and marine acoustic source array for generating an acoustic wave in a body of water. The marine acoustic source array includes first and second external source sub-arrays, each sub-array...
US20130258808 METHOD AND DEVICE FOR DETECTING FAULTS IN A MARINE SOURCE ARRAY  
A method for detecting faults of individual wave sources in a marine source array includes acquiring near-field data using sensors, the sensors being located near the individual wave sources. The...
US20120008459 SIMULTANEOUS OR NEAR-SIMULTANEOUS ACQUISITION FOR BOREHOLE SEISMIC  
A technique facilitates performance of seismic profiling, such as three-dimensional vertical seismic profiling. A downhole acquisition system is provided with acoustic receivers designed to...
US20050270902 Method and apparatus for measuring an ambient water velocity near a deflector device  
The present invention provides a method and apparatus for determining an ambient water velocity using a measurement device deployed in, on, or proximate to a hydrofoil. The method includes...
US20140036625 METHOD FOR OPTIMIZING ACOUSTIC SOURCE ARRAY PERFORMANCE  
A technique facilitates obtaining seismic data in a marine environment. An array of acoustic sources is deployed in a marine environment. The array can be utilized for creating acoustic pulses...
US20120218860 METHOD FOR OPTIMIZING ACOUSTIC SOURCE ARRAY PERFORMANCE  
A technique facilitates obtaining seismic data in a marine environment. An array of acoustic sources is deployed in a marine environment. The array can be utilized for creating acoustic pulses...
US20140104986 METHOD AND DEVICE FOR DETERMINING A DRIVING SIGNAL FOR VIBROSEIS MARINE SOURCES  
Controller and method for determining a driving signal of a vibro-acoustic source element that is configured to generate acoustic waves in water. The method includes estimating at least one...
US20130100766 METHOD AND DEVICE FOR DETERMINING A DRIVING SIGNAL FOR VIBROSEIS MARINE SOURCES  
Controller and method for determining a driving signal of a vibro-acoustic source element that is configured to generate acoustic waves in water. The method includes estimating at least one...
US20120014213 HIGH DENSITY SOURCE SPACING USING CONTINUOUS COMPOSITE RELATIVELY ADJUSTED PULSE  
The invention relates to continuously or near continuously acquiring seismic data where at least one pulse-type source is fired in a distinctive sequence to create a series of pulses and to create...
US20120014212 CONTINUOUS COMPOSITE RELATIVELY ADJUSTED PULSE  
The invention relates to continuously or near continuously acquiring seismic data where at least one pulse-type source is fired in a distinctive sequence to create a series of pulses and to create...
US20100149911 METHOD FOR OPTIMIZING ACOUSTIC SOURCE ARRAY PERFORMANCE  
A technique facilitates obtaining seismic data in a marine environment. An array of acoustic sources is deployed in a marine environment. The array can be utilized for creating acoustic pulses...
US20150016219 DEVICE FOR PRODUCING AN ACOUSTIC SIGNAL IN A LIQUID MEDIUM, EQUIPPED WITH HYDRAULIC MEANS FOR CONTROLLING OUTPUT ACOUSTIC SIGNAL  
A device is provided for producing an acoustic signal in a liquid medium. The device includes a pneumatic chamber to contain a compressed gas volume, at least one pneumatic exhaust port allowing...
US20140133272 DEVICE AND METHOD FOR CONTINUOUS DATA ACQUISITION  
Method for generating an excitation signal for a first vibratory seismic source so that the first vibratory seismic source is driven with no listening time. The method includes a step of...
US20130223186 DEFOCUSING BEAMFORMER METHOD AND SYSTEM FOR A TOWED SONAR ARRAY  
A method and towed sonic array system for defocusing the beampattern of the towed sonic array. The method includes determining an amplitude adjustment and a phase adjustment for each of the sonic...
US20140043937 ADAPTIVE SWEEP METHOD AND DEVICE FOR SEISMIC EXPLORATION  
Controller and method for adapting a frequency sweep for a vibro-acoustic source element that is configured to generate acoustic waves during a seismic survey. The method includes driving a...
US20170115419 MARINE SURVEYS CONDUCTED WITH MULTIPLE SOURCE ARRAYS  
Marine surveys carried out with multiple source arrays comprising three or more sources are discussed. Each source of a multiple source array is an array of source elements, such as air guns. The...
US20170075015 WAVEFIELD GENERATION USING A SEISMIC VIBRATOR ARRAY  
Marine seismic vibrators in a marine seismic vibrator array for use in a seismic survey are activated to produce a source gradient wavefield to survey a target structure. The seismic survey may...
US20160259078 Use of External Driver to Energize a Seismic Source  
Disclosed are seismic sources that may utilize an external driver to energize the air in the seismic source for generation of acoustic energy. An apparatus may comprise a seismic source comprising...
US20160259074 Air-Spring Compensation in a Piston-Type Marine Vibrator  
Embodiments relate to the restriction of gas flow in a piston-type marine vibrator to compensate for air-spring effects. An embodiment provides marine vibrator comprising: a containment housing; a...
US20160259073 Piston Integrated Variable Mass Load  
Embodiments relate to relate to marine vibrators that incorporate one or more piston plates that act on the surrounding water to produce acoustic energy. An example marine vibrator may comprise: a...
US20160195628 GHOST-SUPPRESSION OPTIMIZED SEISMIC SOURCE AND METHOD  
A marine seismic source includes source elements configured to emit waves having different frequencies while the source elements are towed at different predetermined depths, respectively. The...
US20160084978 ADAPTABLE SEISMIC SOURCE FOR SEISMIC SURVEYS AND METHOD  
Method, source array and seismic vibro-acoustic source element for seismic data acquisition. The method includes storing in a controller a library of beam form factor sets associated with a source...
US20150331131 METHOD AND DEVICE FOR SEPARATING SEISMIC SIGNALS FROM SEISMIC SOURCES  
System and method for actuating first and second marine acoustic sources in a firing sequence, the firing sequence including at least a first actuation of the first source followed by a first...
US20120147701 SEISMIC ACQUISITION METHOD AND SYSTEM  
The maximum output of a seismic source array may be reduced by activating the individual seismic sources within these seismic source array in a pattern that is extended in time rather than by the...
US20120057429 TUNING UNIQUE COMPOSITE RELATIVELY ADJUSTED PULSE  
The invention relates to acquiring seismic data in either land or marine environments, but typically marine environments where a pulse-type source is fired in a distinctive composite pulse like a...

Matches 1 - 37 out of 37