Matches 1 - 50 out of 144 1 2 3 >


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US20120287751 METHOD AND SYSTEM OF A COMPOUND BUOY  
A compound buoy. At least some of the illustrative embodiments are buoy systems that include: a surface buoy; a subsurface buoy comprising an elongated outer body; a connector disposed on the...
US20140247691 STEERABLE FAIRING STRING  
A foil having a leading edge, trailing edge, chord and span is attached between a first head float position and bottom submerged position below the head float on the array. The foil being flexible...
US20140036624 METHOD AND DEVICE FOR DETERMINING SIGNATURE OF SEISMIC SOURCE  
A sensor probe system for measuring a signature of a marine seismic source array, the system including a base-mounted part attached to a base; a sensor probe configured to sink toward ocean bottom...
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...
US20130182531 Marine Seismic Surveying with Towed Components Below Water Surface  
A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed...
US20130286772 Methods and Systems for Noise-Based Streamer Depth Profile Control  
Disclosed are methods and systems for depth control of a sensor streamer. An example embodiment comprises a method for depth control of a sensor streamer. The example method may comprise towing...
US20130088937 METHOD AND SYSTEM OF MARINE SURVEY  
Marine survey. The various embodiments includes both methods and systems. At least some of the illustrative embodiments are methods including: deploying a spreader structure from vessel into a...
US20140269176 REDUCED-DRAG TOWING OF GEOPHYSICAL EQUIPMENT  
Techniques are disclosed relating to reducing drag on cables towed behind a vessel in a body of water. In one embodiment, an apparatus includes a signal source coupled to a survey vessel via a...
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...
US20150153469 Method and System for Streamer Depth Control  
Depth and tilt control systems for geophysical sensor streamers and methods of use are discussed. Such systems may include a plurality of tilt sensors disposed at spaced apart locations along the...
US20110317514 Method and system for streamer depth control  
Depth and tilt control systems for geophysical sensor streamers and methods of use are discussed. Such systems may include a plurality of tilt sensors disposed at spaced apart locations along the...
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:...
US20110280100 METHOD FOR SEISMIC ACQUISITION ON THE SEABED, GUIDING EQUIPMENT, SEISMIC ACQUISITION EQUIPMENT AND SEISMIC ACQUISITION SYSTEM FOR THE IMPLEMENTATION OF THIS METHOD  
The invention relates to a method for acquiring seismic data at a plurality of positions spread out over a zone on the seabed which includes transmitting acoustic waves in the water layer above...
US20110286301 Seismic Streamer Shape Estimation  
A seismic streamer system and associated methods for estimating the shape of a laterally steered seismic streamer. The streamer is divided into a series of contiguous streamer segments by...
US20130077435 METHODS AND APPARATUS FOR STREAMER POSITIONING DURING MARINE SEISMIC EXPLORATION  
Disclosed are apparatus and methods for streamer positioning during marine seismic exploration. In one embodiment, a designated location for each of one or more transponders is determined based on...
US20140269178 AUTOMATED LATERAL CONTROL OF SEISMIC STREAMERS  
In the field of marine geophysical surveying, systems and methods for controlling the spatial distribution or orientation of a geophysical sensor streamer or an array of geophysical sensor...
US20120320711 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...
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...
US20100002536 MARINE SEISMIC ACQUISITION WITH CONTROLLED STREAMER FLARING  
Marine seismic data is acquired with a system of steerable seismic streamers that are intentionally maintained in a flared configuration while the streamers are towed through a body of water.
US20120281498 METHOD AND SYSTEM FOR CONTROLLING STREAMERS  
A method and system for controlling the shape and separation of an arrangement of streamers towed behind a survey vessel. Each streamer is steered laterally by lateral steering devices positioned...
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...
US20120113746 Noise Suppression by Adaptive Speed Regulations of Towed Marine Geophysical Streamer  
A method for towing marine geophysical sensor streamers in a body of water includes moving a towing vessel at a selected speed along the surface of the body of water. At least one geophysical...
US20130033960 METHOD AND SYSTEM OF A CONTROLLABLE TAIL BUOY  
Controllable tail buoy. At least some of the illustrative embodiments are methods including: towing a sensor streamer and tail buoy through water, the sensor streamer defining a proximal end and a...
US20140226440 DEPLOYMENT OF SEABED DEVICE  
A method of deploying a device to the seabed with a submersible vehicle, the vehicle having a hull which defines a hull axis and appears substantially annular when viewed along the hull axis. The...
US20130114373 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...
US20150138919 METHODS FOR CONTROLLING TOWED MARINE SENSOR ARRAY GEOMETRY  
A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with...
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...
US20110182138 Method and system for streamer depth control  
A depth and level control system for a geophysical streamer according to one aspect of the invention includes a plurality of tilt sensors disposed at spaced apart locations along the streamer. The...
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...
US20120020184 USING A DISTRIBUTED OPTICAL ACOUSTIC SENSOR TO POSITION AN OBJECT  
A distributed optical acoustic sensor is provided along a structure in a body of water. The distributed optical acoustic sensor is used to detect acoustic waves generated by at least one acoustic...
US20130201790 METHOD OF DEPLOYMENT, METHOD AND DEVICE FOR SEISMIC PROSPECTING IN AN AQUATIC MEDIUM  
A method for seismic prospecting in an aquatic medium using a device having at least one seismic cable provided with sensors and at least one moving seismic source. The method includes the...
US20130322205 Seismic Surveying Techniques with Illumination Areas Identifiable from Primary and Higher-Order Reflections  
Techniques are disclosed relating to determining or executing a survey pattern for a marine seismic survey vessel. The survey pattern may be determined based on a determined subsurface...
US20120195162 Devices and Methods for Positioning Tows in Marine Seismic Systems  
A method and system for deploying seismic tows, such as seismic streamers, from a common carrier rope for conducting marine seismic surveys. The deployment system generally comprises a carrier...
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...
US20140198608 MULTI-LEVEL SEISMIC SOURCE AND METHOD  
A depth-varying marine acoustic source array is configured for generating an acoustic wave in a body of water. The depth-varying marine acoustic source array includes a float; plural source points...
US20130242694 STEERING SUBMERSIBLE FLOAT FOR SEISMIC SOURCES AND RELATED METHODS  
Seismic sources including a steerable submersible float and related methods are provided. A seismic source includes a submersible float and a plurality of individual sources. The submersible float...
US20140112096 DYNAMICALLY-ADJUSTED VARIABLE-DEPTH SEISMIC SOURCE AND METHOD  
Method and dynamically-adjusted marine acoustic source array for generating an acoustic wave in a body of water. The acoustic source array includes a float; plural actuation devices, each...
US20080298173 Wide area seabed analysis  
A seabed region (18) that lies under a seabed surface area of over one square meter, is analyzed by comparing a core sample taken near the middle of the region and/or data from a geotechnical...
US20140104984 FLARED PSEUDO-RANDOM SPIRAL MARINE ACQUISITION  
A method for acquisition of seismic data in a marine environment.
US20100014381 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...
US20100074049 MARINE SEISMIC ACQUISITION METHOD AND SYSTEM  
An elongate body for parenteral injection at low velocity from a device is described. The body has at least one pointed end and comprises at least one active material. In addition, the body has a...
US20130021872 SEISMIC EXPLORATION NOISE REDUCTION DEVICE  
A marine seismic exploration device includes a vessel; a sensor device on the vessel that senses movement of the vessel; a connection device that comprises an electric motor; a controller that...
US20150260869 COMPACT BROADBAND 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 a first depth sub-array set of first acoustic source points...
US20120287752 COMPACT BROADBAND 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 a first depth sub-array set of first acoustic source points...
US20120300581 CATENARY FRONT-END GEAR AND METHOD  
Method and catenary front-end gear for towing streamers under water. The catenary front-end gear includes a main cable configured to be attached to a vessel and a device; a connecting system...
US20090316524 Flexible seismic data acquisition system for use in a marine environment  
Systems and methods for marine seismic surveying of strata beneath a seafloor are disclosed, including, in certain aspects, locating an under water sensor cable with sensing apparatus on a...
US20120020185 Collision Avoidance for Instrumented Probes Deployed From a Seismic Vessel  
One embodiment of the invention concerns a probe that couples to a seismic vessel via a tow cable. When deploying probes from a seismic vessel that is towing source arrays and streamers, the probe...
US20130322206 BUOY BASED MARINE SEISMIC SURVEY SYSTEM AND METHOD  
A seismic survey system for recording seismic data underwater in the presence of underwater currents. The system includes first plural buoys configured to descend in water at a predetermined depth...
US20130188449 BUOY BASED MARINE SEISMIC SURVEY SYSTEM AND METHOD  
A seismic survey system for recording seismic data underwater in the presence of underwater currents. The system includes first plural buoys configured to descend in water at a predetermined depth...
US20090262601 Methods for controlling towed marine sensor array geometry  
A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with...

Matches 1 - 50 out of 144 1 2 3 >