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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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:... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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US20140104984 |
FLARED PSEUDO-RANDOM SPIRAL MARINE ACQUISITION
A method for acquisition of seismic data in a marine environment. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |