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US20130301385 System and Method for Towed Marine Geophysical Equipment  
A system comprises towed marine geophysical equipment, adapted for towing through a body of water; and a surface covering, comprising a textural attribute of shark skin, attached to the marine...
US20140269168 INTERFACING MARINE SURVEY DEVICES USING ACOUSTIC TRANSDUCERS  
Techniques are disclosed relating to acoustically interfacing marine survey devices. In one embodiment, a system includes survey equipment, first and second acoustic transducers, and a first...
US20130343152 METHOD FOR DETERMINING AN EQUIPMENT CONSTRAINED ACQUISITION DESIGN  
A method for determining an equipment constrained acquisition design.
US20140269173 METHODS AND SYSTEMS FOR MARINE SURVEY ACQUISITION  
A marine survey acquisition system. The system may include a vessel for towing a marine survey spread. The marine survey spread may include streamers, marine vibrators and a cable. The cable may...
US20140334255 COLLAR SYSTEM AND METHOD FOR RECOVERING A TOW MEMBER IN A MARINE SURVEY SYSTEM  
A marine survey system includes a collar configured to be affixed to a tow member, to connect a separation member to the tow member and to release the separation member when a lock-release...
US20120092955 System and Method for Reducing the Effects of Ghosts From the Air-Water Interface in Marine Seismic Exploration  
A system mechanically alters the geometry of the surface of the water by breaking the water surface with a mechanical device. The mechanical device may comprise a plurality of propellers, a...
US20140146638 Method for Managing Shots in a Multi-Vessel Seismic System  
Method for managing shots in a multi-vessel seismic system, including for each slave shooter vessel: a) computing first theoretical shot times, based on a speed a scheduler shooter vessel and shot...
US20150049584 OCEAN BOTTOM SEISMOMETER PACKAGE  
A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote...
US20140321237 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...
US20140328138 SEISMIC SYSTEM WITH GHOST AND MOTION REJECTION  
An underwater seismic system for reducing noise due to ghost reflections or motion through the water from seismic signals. The system includes two motion sensors. One sensor has a first response...
US20150219776 HYDROPHONE  
This disclosure is related to hydrophones, for example hydrophones that may be used in marine seismic surveying, permanent reservoir monitoring, downhole acoustic monitoring in a wellbore, and/or...
US20140177387 MARINE SEISMIC SURVEYS USING CLUSTERS OF AUTONOMOUS UNDERWATER VEHICLES  
A seismic survey system records seismic signals during a marine seismic survey. The system includes first and second clusters, each including a set of autonomous underwater vehicles (AUVs); each...
US20100074048 CONTAINER SYSTEM FOR SEISMIC CABLE AND STATIONS  
Container systems used in storage, deployment or retrieval of a seismic cable array comprise a container, at least two coiling elements attached to a bottom side of the container, and storage...
US20150253442 SOLID MARINE SEISMIC STREAMERS  
A marine seismic streamer comprising a solid, hydrophobic core member that is encased in a hydrophobic streamer skin/casing. The hydrophobic streamer skin may be extruded onto and/or heat welded...
US20140334258 DISPOSABLE ANTIFOULING COVERS FOR GEOPHYSICAL SURVEY EQUIPMENT  
Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey equipment. The deploying may include:...
US20150085603 SYSTEMS AND METHODS FOR DETERMINING THE FAR FIELD SIGNATURE OF A SOURCE IN WIDE AZIMUTH SURVEYS  
Systems and methods for determining the far field signature of a source in wide azimuth surveys are disclosed. The method includes determining a position of a first sensor and a source. The first...
US20150158556 FOUL RELEASE MATERIAL FOR USE WITH FAIRINGS  
Various implementations directed to a foul release material for use with fairings. In one implementation, a seismic cable for use in a seismic acquisition system may include a fairing configured...
US20110141848 Optimizing a Seismic Survey for Source Separation  
A technique includes determining at least one parameter that characterizes a seismic survey in which multiple interfering seismic sources are fired and seismic sensors sense energy that is...
US20140254310 Marine Streamer Having Variable Stiffness  
Disclosed are methods and systems for performing marine geophysical surveys that utilize a streamer having variable stiffness. An embodiment discloses a sensor streamer comprising: an outer...
US20150071032 SOURCE UMBILICAL CABLE WITHOUT FUNCTIONING POWER CABLES  
Techniques are disclosed relating to the operation of a source umbilical cable without functioning power cables from the source umbilical cable. Techniques are disclosed relating to a source...
US20150085607 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...
US20130336087 MARINE VIBRATOR SWEEPS  
Marine seismic survey using one or more marine seismic vibrators, where the vibrator sweep function is based on a quality requirement, which may be a final image quality requirement or an...
US20150063062 PIEZOELECTRIC ACCELEROMETER  
An accelerometer. At least some of the example embodiments include an accelerometer having a first piezoelectric element having a first polarization, the first piezoelectric element defining an...
US20140269169 SYSTEMS AND METHODS FOR RANDOMIZING FIRING TIMES OF SIMULTANEOUS SOURCES IN MARINE SURVEYS  
Computational systems and methods for randomizing the order in which multiple sources are fired in simultaneous source acquisition are described. In one aspect, pseudo-randomly shifted time delays...
US20140233350 Method and System for Adjusting Vessel Turn Time with Tension Feedback  
Disclosed are methods and systems for using tension feedback from steerable deflectors to adjust vessel turn time. In one example, a maximum tension for a second steerable first towed on a first...
US20140233351 Method and Device for Estimating a Relative Position Between Towed Acoustic Linear Antennas  
A method for estimating a position of a first acoustic linear antenna relative to a second acoustic linear antenna belonging to a network of towed acoustic linear antennas on which are arranged a...
US20140334259 Variable Mass Load Marine Vibrator  
Embodiments related to addition of a variable mass load to the shell of a marine vibrator to compensate for air spring effects. An embodiment provides a marine vibrator, comprising: an outer...
US20150247939 ANTI-BIOFOULING SEISMIC STREAMER  
An anti-biofouling casing for a seismic streamer is described, the anti-biofouling casing comprising a polymer system comprising a hydrophobically-modified base polymer, the...
US20130343153 MARINE VIBRATOR SWEEPS WITH REDUCED SMEARING AND/OR INCREASED DISTORTION TOLERANCE  
A marine seismic survey using one or more moving marine seismic vibrators, where the vibrator sweeping function is based on smearing error criteria and is a downward-sweeping non-criteria linear...
US20140340984 MULTILAYER JACKET FOR MARINE ACOUSTIC ARRAY APPLICATIONS  
In various embodiments, a multilayer jacket for a seismic streamer is disclosed. The multilayer jacket comprises an outer layer comprising a water-resistant and wear-resistant material. The...
US20130188448 MULTI-VESSEL SEISMIC ACQUISITION WITH UNDULATING NAVIGATION LINES  
Method for determining a seismic survey configuration of a multi-vessel acquisition system. The method includes a step of receiving number that corresponds to vessels to be used in the...
US20140219051 CONFIGURABLE ACQUISITION UNIT  
Embodiments of a configurable acquisition unit are disclosed together with applications for configurable acquisition units. In one embodiment, an acquisition unit includes a seismic data...
US20090147619 In-Sea Power Generation for Marine Seismic Operations  
A method for conducting seismic operations includes the steps of deploying a seismic streamer carrying an electrically powered device from a vessel into water having waves, providing an in-sea...
US20140334256 APPARATUS FOR MARINE SEISMIC SURVEY  
An apparatus for conducting a marine seismic survey is disclosed. The apparatus includes a plurality of sensors configured to measure water pressure, a horizontal derivative of the pressure in two...
US20150063061 Piezoelectric Bender With Additional Constructive Resonance  
Embodiments related to a piezoelectric bender that comprises a spring and mass element to provide additional constructive resonance. An embodiment provides an apparatus comprising: a base plate; a...
US20140340985 Gas Spring Compensation Marine Acoustic Vibrator  
Embodiments related to restriction of gas flow in a marine acoustic vibrator to compensate for gas spring effects. An embodiment provides a marine acoustic vibrator, comprising: an outer shell;...
US20140211589 UNDERWATER NODE FOR SEISMIC SURVEYS AND METHOD  
A method, system and a marine node for recording seismic waves underwater. The node includes a first module configured to house a seismic sensor; bottom and top plates attached to the first...
US20150009779 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front...
US20140198607 SIMULTANEOUS SHOOTING NODAL ACQUISITION SEISMIC SURVEY METHODS  
A method of performing a seismic survey including: deploying nodal seismic sensors at positions in a survey region; activating a plurality of seismic sources; and using the nodal seismic sensors...
US20140254314 STREAMER DESIGN FOR GEOPHYSICAL PROSPECTING  
An apparatus is disclosed that includes a solid-core streamer with particle motion sensors disposed within the solid core. Some embodiments may additionally include one or more pressure sensors...
US20140301161 MARINE SEISMIC SURVEY AND METHOD USING AUTONOMOUS UNDERWATER VEHICLES AND UNDERWATER BASES  
A seismic survey system records seismic signals during a marine seismic survey. The system includes at least two underwater bases and plural autonomous underwater vehicles (AUVs) that carry...
US20140269172 ANTI-FOULING SEISMIC STREAMER  
A seismic streamer and associated method are provided. The seismic streamer may include a seismic streamer core having a cylindrical configuration. A melt-processable thermoplastic layer may be...
US20100002076 USING CAMERAS IN CONNECTION WITH A MARINE SEISMIC SURVEY  
A technique includes obtaining data indicative of images of a marine seismic source event, which are acquired by underwater cameras and processing the data to determine an attribute (a seismic...
US20140355379 METHODS AND SYSTEMS FOR MARINE SURVEY ACQUISITION  
Methods and systems for marine survey acquisition are disclosed. In one embodiment, a method is provided that may deploy a marine seismic spread that includes a first seismic source, a second...
US20150055435 SEISMIC CABLE WITH ADJUSTABLE BUOYANCY  
A method and apparatus for a seismic cable is described. In one embodiment, a method for performing a seismic survey in a water column is described. The method comprises providing a length of...
US20130308421 SEISMIC CABLE WITH ADJUSTABLE BUOYANCY  
A method and apparatus for a seismic cable is described. In one embodiment, a method for performing a seismic survey in a water column is described. The method comprises providing a length of...
US20140241119 FAR-FIELD DETECTION DEVICE, SYSTEM AND METHOD  
A far-field detection apparatus for measuring a far-field signature of a seismic source includes a main tow cable, a depth control device, sensor lines, at least two deflectors and seismic...
US20140078862 STREAMER SPREAD WITH REDUCED DRAG  
A method and a marine front-end gear for connecting a set of streamers to a towing vessel. The front-end gear includes ropes for connecting a first sub-set of streamers to the vessel; lead-ins for...
US20140192617 SYSTEM FOR ACQUIRING SEISMIC DATA IN A MARINE ENVIRONMENT, USING SEISMIC STREAMERS COUPLED TO MEANS FOR DETECTING AND/OR LOCATING MARINE MAMMALS  
Discloses herein is a system of acquiring seismic date in a marine environment, which includes: seismic streamers towed by a vessel; and means for detecting and/or locating marine mammals,...
US20150003195 VARIABLE DEPTH MULTICOMPONENT SENSOR STREAMER  
Variable depth multicomponent sensor streamer. At least some of example embodiments are methods including designing a depth profile for first portion of a sensor streamer by determining a first...

Matches 1 - 50 out of 241 1 2 3 4 5 >