Matches 1 - 50 out of 165 1 2 3 4 >


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US20120081997 Marine Vibrator with Improved Seal  
A marine vibrator with improved seal is described. The marine vibrator includes a housing and piston within the housing for generating vibratory signals. The improved seal is comprised of a...
US20140198611 TOWED STREAMER ACQUISITION WITH VARIABLE SPATIAL RESOLUTION  
Methods and systems for performing a single pass multi-density seismic acquisition are described. A single pass multi-density seismic acquisition includes a plurality of different length streamers...
US20100329076 Deployment and Retrieval Method for Shallow Water Ocean Bottom Seismometers  
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...
US20120250456 SYSTEMS AND METHODS FOR ENERGY HARVESTING IN A GEOPHYSICAL SURVEY STREAMER  
A disclosed geophysical survey system includes one or more streamers having sensors powered by at least one energy harvesting device that converts vibratory motion of the streamers into electrical...
US20130010570 Towing Methods and Systems for Geophysical Surveys  
Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a method for geophysical surveying, comprising: towing two streamers...
US20140269179 STREAMERS WITHOUT TAILBUOYS  
A streamer without a tail buoy for a marine survey is disclosed. The method and system here relate to an embodiment where at least one streamer in a marine survey is free of tail buoys. An...
US20140185410 Rigid-Stem Survey Method and System  
Disclosed are methods and systems for using a rigid-stem assembly comprising a plurality of interconnected rigid stems in a marine survey. An embodiment discloses a geophysical survey method...
US20120257474 Method for seismic surveying using wider lateral spacing between sources to improve efficiency  
A method for towing a marine seismic acquisition array in a body of water includes towing a plurality of laterally spaced apart sensor streamers behind a survey vessel in the water. A lateral...
US20140254316 System and Method for Seismic Surveying Using Distributed Sources  
Disclosed are methods and systems for marine surveying that use electrically powered seismic sources that are distributed at spaced apart locations. In one example, a marine seismic survey system...
US20110292760 SEISMIC EQUIPMENT HANDLING  
Launch and retrieval equipment for use in seismic testing and methods for seismic testing are described. Elements of the equipment may include a pivoting frame to hold the seismic equipment,...
US20110205840 SEISMIC EQUIPMENT HANDLING  
Launch and retrieval equipment for use in seismic testing and methods for seismic testing are described. Elements of the equipment may include a pivoting frame to hold the seismic equipment,...
US20110103180 Solid Seismic Streamer cable and Method  
An apparatus includes a streamer cable having one or more seismic devices disposed within a polymer body and about a core. The polymer body includes a channel defined therein for receiving one or...
US20130215714 METHOD, DEVICE AND NODE FOR SEABED SEISMIC ACQUISITION  
The invention concerns a method for seabed seismic acquisition. According to the invention, a pair of geophones (3a, 3b) is placed on the seabed and mounted in opposite directions so that the axes...
US20140185412 Rigid-Stem Active Method and System  
Disclosed arc methods and systems for using a rigid-stem assembly comprising a plurality of interconnected rigid stems in a marine survey. An embodiment discloses a geophysical sensor streamer...
US20080262738 Updating Information Regarding Sections of a Streamer That are in a Body of Water  
To perform a marine survey, a streamer is deployed into a body of water, where the streamer has plural first sensors to perform a subterranean survey. Indications are received from second sensors...
US20140293742 SOLID STREAMER CONNECTOR APPARATUS AND METHOD OF USE THEREOF  
Streamers used in mapping strata beneath a marine body are described, such as in a flexible neutrally buoyant towed array. A connector is used to longitudinally join a first and second streamer...
US20120176859 MARINE SEISMIC STREAMERS  
The subject disclosure relates to seismic streamers. More specifically, the subject disclosure relates to seismic streamers with self healing properties.
US20110199857 Wide Seismic Source Systems  
A wide-azimuth marine seismic survey system according to one or more aspects of the present disclosure may include a streamer array; a first source towed from a first vessel; a second source towed...
US20120069703 SEISMIC STREAMER  
There is provided a solid seismic streamer cable for use in seismic surveying in marine environments. The streamer is characterised by a buffer layer 2 which is provided with a cut-out 50 and a...
US20110255368 Method for 2D and 3D electromagnetic field measurements using a towed marine electromagnetic survey system  
A method for acquiring electromagnetic data in at least two dimensions includes towing a first streamer cable behind a vessel in a body of water, the first streamer cable including a reference...
US20110044128 Marine Seismic Streamer with Increased Skin Stiffness  
An apparatus includes a streamer having one or more seismic data acquisition devices enclosed within a skin. The skin has a modulus of elasticity of at least 30 MPa to attenuate a flow noise.
US20110063946 MARINE SEISMIC ACQUISITION SYSTEM  
A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors arranged in groups of at least two pressure sensors with a group output being representative of the...
US20130003497 STREAMER CABLE FOR USE IN MARINE SEISMIC EXPLORATION AND METHOD FOR REDUCING NOISE GENERATION IN MARINE SEISMIC EXPLORATION  
The present invention relates to a streamer cable for use in marine seismic exploration. Further, a method for reducing noise generation in marine seismic exploration is described, as well as a...
US20110058449 Towed marine sensor streamer having concentric stress member  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends the length of the jacket. The strength member is formed as a substantially flat belt...
US20110110187 System and method for drag reduction in towed marine seismic equipment  
A system comprises towed marine seismic equipment marine seismic equipment, adapted for towing through a body of water; and a surface covering, with longitudinal ribs, attached to the marine...
US20120081995 COMBINED ELECTROMAGNETIC AND SEISMIC ACQUISITION SYSTEM AND METHOD  
A method for marine geophysical surveying according to one aspect of the invention includes towing at least one geophysical sensor streamer in a body of water. The streamer includes a plurality of...
US20120250458 ANTI-BARNACLE NET AND METHOD  
Method and an array of streamers that prevent/slow down marine animals to attach to the streamers. The array includes at least one streamer including plural sections; and a net provided over at...
US20100278011 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...
US20130170316 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Methods and systems for improving azimuth distribution in a seismic acquisition system are described. A survey acquisition system includes a plurality of streamers towed by a plurality of streamer...
US20120275265 BUOY FOR MARINE SURVEYS  
Buoy for marine surveys. At least some of the illustrated embodiments are a buoy including an elongated main body and a mast system coupled to the elongated main body. The mast system includes: a...
US20120051175 Method for compensating marine geophysical sensor measurements for effects of streamer elongation  
A method for determining a longitudinal position of at least one geophysical sensor on a towed marine streamer includes measuring a parameter related to tension at least one position along the...
US20120236684 SENSOR ARRANGEMENT FOR DETECTING MOTION INDUCED NOISE IN TOWED MARINE ELECTROMAGNETIC SENSOR STREAMERS  
An electromagnetic sensor streamer may include a jacket, at least one electromagnetic sensor in operational communication with a voltage measuring circuit disposed inside the jacket, and at least...
US20130286774 STREAMER CABLE WITH ENHANCED PROPERTIES  
The present invention relates to streamer cables. One embodiment of the present invention relates to a method for preparing a streamer cable. The method may comprise retrofitting the streamer...
US20110205839 Method for towing marine sensor streamers  
A method for operating a geophysical sensor streamer in body of water includes operating a remotely operated vehicle coupled to a forward end of the streamer to tow the streamer in the water....
US20140169126 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...
US20090016157 Non-rigid cable for deployment of ocean bottom seismometers  
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...
US20110158045 System for adjusting geophysical sensor streamer front end towing depth  
A system for towing a marine geophysical sensor streamer includes a lead in line extending from a tow vessel. A streamer front end termination is coupled to an end of the lead in line and to a...
US20090316525 MARINE SEISMIC STREAMER SYSTEM CONFIGURATIONS, SYSTEMS, AND METHODS FOR NON-LINEAR SEISMIC SURVEY NAVIGATION  
Methods for determining by acoustic ranging relative positions of marine seismic streamers in a network of streamers are described, as well as streamer configurations and systems which overcome...
US20140362662 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front sources...
US20130148468 NOISE REDUCTION SYSTEMS AND METHODS FOR A GEOPHYSICAL SURVEY CABLE  
A disclosed geophysical survey cable includes a signal amplifier coupled between two electrodes spaced apart along the length of the geophysical survey cable (the electrodes being coupled to the...
US20110286303 Coaxial support structure for towed marine seismic source arrays  
A seismic source array includes at least one float. A plurality of rigid conduit sections each includes a bracket for suspension from the float at a selected depth in a body of water and...
US20130114374 ADJUSTABLE SENSOR STREAMER STRETCH SECTION FOR NOISE CONTROL FOR GEOPHYSICAL SENSOR STREAMERS  
A sensor streamer stretch section includes at least one spring. A means for coupling the spring at each end to at least one of a sensor streamer and a lead in cable is included. A cable is coupled...
US20140153361 Open Collar for Multi-Cable Towing System  
Disclosed are methods and systems for towing multiple source cables with spreader lines coupled to the source cables using open collars. An example system for multi-cable towing may comprise a...
US20130064038 DUAL AXIS GEOPHONES FOR PRESSURE/VELOCITY SENSING STREAMERS FORMING A TRIPLE COMPONENT STREAMER  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20120269033 DUAL AXIS GEOPHONES FOR PRESSURE/VELOCITY SENSING STREAMERS FORMING A TRIPLE COMPONENT STREAMER  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20110310698 Dual Axis Geophones For Pressure/Velocity Sensing Streamers Forming a Triple Component Streamer  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20130100765 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...
US20130100764 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...
US20100254216 Multiwing Surface Free Towing System  
A technique for seismic surveying is presented in which a towed array, marine seismic spread, includes a plurality of streamers and a deflector system. The deflector system laterally spreads the...
US20070258320 System for seismic sensor mounting in a marine seismic streamer  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket, and is disposed inside the jacket. At least one...

Matches 1 - 50 out of 165 1 2 3 4 >