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8162297 Diverse bubble size generation  
Method and apparatus for producing a bubble curtain with a diversity of bubble diameters for purposes such as suppressing surface-related multiple reflections in marine seismic surveys. Bubble...
8149647 Seismic cable and acoustically decoupled sensor  
A robust seismic cable and sensor module system wherein the sensor modules include a housing and sensing unit. The housing substantially transfers the load and torque of the cable from one end of...
8102731 Method for operating marine seismic vibrator array to enhance low frequency output  
A method for operating marine seismic vibrators includes towing at least a first and a second marine seismic vibrator in a body of water beneath the hull of a vessel. At least a third marine...
8085620 Determining a position of a survey receiver in a body of water  
To determine a position of a survey receiver used to measure a response of a subterranean structure to a survey signal, positions of the survey receiver as the survey receiver descends in a body of...
8085617 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...
8081540 Rotary subwoofer marine seismic source  
According to a preferred aspect of the instant invention, there is provided herein a system and method for creating low frequency seismic waves. In brief, the instant invention uses a rotary...
8075226 Method and apparatus for deployment of ocean bottom seismometers  
A deployment and retrieval apparatus for ocean bottom seismic receivers, the apparatus being a remotely operated vehicle (ROV) having a carrier attached thereto and carrying a plurality of...
8077542 Determining the inline relationship of network nodes in a subterranean survey data acquistion network  
A system includes a subterranean survey data acquisition network and a processor. The network has first nodes that are distributed along a length of the network between a first end of the network...
8050140 Storage system and method for seismic data acquisition units  
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...
7990803 Deployment and retrieval method for shallow water ocean bottom seismometers  
The deployment method for deploying seismic data acquisition units into shallow water from the deck of a vessel provides for deploying a cable into the water. Seismic data acquisition units are...
7974151 Cetacean protection system  
An embodiment according to one or more aspects of the present disclosure for conducting a marine survey includes towing a survey spread comprising a plurality of receivers and an energy source...
7974150 Methods and apparatus of source control for sequential firing of staggered air gun arrays in borehole seismic  
Methods and apparatus for controlling seismic source firings are disclosed. The methods and apparatus enable firing of seismic sources to increase pressure wave amplitude. Some methods and...
7969817 Ocean bottom seismic station  
Methods and apparatus for cable termination and sensor integration at a sensor station within an ocean bottom seismic (OBS) cable array are disclosed. The sensor stations include a housing for...
7961549 Enhancing the acquisition and processing of low frequencies for sub-salt imaging  
A method and apparatus for acquiring seismic signals from beneath a salt region in the earth. In one embodiment, the method includes tuning an air gun array to a first bubble oscillation; towing...
7957906 Method for attenuating low frequency noise in a dual-sensor seismic streamer  
A calculated vertical velocity sensor signal is determined from a recorded pressure sensor signal. A constructed vertical velocity sensor signal is determined as a linear combination of the...
7948825 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...
7944774 Method for determining adequacy of seismic data coverage of a subsurface area being surveyed and its application to selecting sensor array geometry  
A method for marine seismic surveying includes towing seismic sensors in a plurality of streamers in the water, actuating a seismic energy source in the water at selected times and detecting...
7933165 Connector for seismic cable  
A method and apparatus for a seismic cable is described. The apparatus includes a plurality of cable segments comprising at least a first cable segment and a second cable segment coupled by a...
7835222 Anti-biofouling seismic streamer casing and method of manufacture  
An anti-biofouling seismic streamer casing (100,100′) is provided that is formed by a flexible tubing (110) coated with a layer of a two-part heat cured silicone elastomer (120). The seismic s...
7804737 Marine vessel working deck for handling of 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...
7796466 Apparatus, systems and methods for seabed data acquisition  
Seabed sensor units, systems including same, and methods for acquiring seabed data are described, one seabed sensor unit comprising a base, the base containing at least one sensor able to detect a...
7778108 Method of and apparatus for processing seismic data  
A method of acquiring or processing multi-component seismic data obtained from seismic signals propagating in a medium, the method comprising the steps of: selecting a first portion of the seismic...
7765947 Deck configuration for ocean bottom seismometer launch platforms  
A configuration for the deck of a marine vessel, wherein parallel and perpendicular travel paths, for movement of individual OBS unit storage baskets, are formed along a deck utilizing, in part,...
7755970 Methods for controlling marine seismic equipment orientation during acquisition of marine seismic data  
Methods are described for actively steering a towed marine seismic component using one or more actively controllable control members; reducing the actively steering of the control members during...
7738317 Apparatus and methods for controlling position of marine seismic sources  
Apparatus and methods are described for remotely controlling position of marine seismic equipment. One apparatus comprises a source connected to a tow member; and an adjustment mechanism connected...
7724607 Method and apparatus for seismic data acquisition  
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...
7715274 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...
7710819 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 cable...
7710820 Seabed seismic source apparatus  
A seabed seismic source apparatus includes a control module adapted for deployment at a seabed. The control module has a receiver for receiving a remote signal and a firing controller for...
7684281 System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers  
Signals of pressure sensors and particle motion sensors located in marine seismic streamers are combined to generate a seismic wavefield. At least a part of the particle motion sensor signal is...
7679989 Ocean bottom seismic station  
Methods and apparatus for cable termination and sensor integration at a sensor station within an ocean bottom seismic (OBS) cable array are disclosed. The sensor stations include a housing for...
7679994 Bi-directional interrogation of optical sensors  
Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments,...
7675821 Deployment of seismic sensor  
An arrangement for the deployment of seismic sensor units, such as sensor nodes (24), on the seabed includes a frame structure that is adapted to carry a container (11) for containment of a data...
7660193 Integrated seismic sensor cable  
A seismic cable (110) and a method for producing a seismic cable are disclosed. The seismic cable (110) comprises a sensor module (130); at least one lead (210) to or from the sensor module (130);...
7660188 Seismic exploration and imaging system for producing survey reports of subsea geological structures  
The present invention provides a seismic exploration and imaging system for producing seismic survey reports of subsea geological structures. The exploration system provides a method in which both...
7660189 Apparatus, systems and methods for determining position of marine seismic acoustic receivers  
Apparatus, systems and methods for calculating position of marine seismic acoustic receivers, and for estimating sound velocity profile of a fluid, are disclosed. One position calculation system...
7649803 Method for retrieval of seismic data acquisition units  
A method for retrieval of self-contained, autonomous ocean bottom seismic data acquisition units secured to a non-rigid, non-conducing cable, wherein the cable is retrieved over the trailing edge...
7646670 Autonomous ocean bottom seismic node recording device  
The present invention relates to an improved autonomous node seismic recording device having an integrated modular design and one or more features that assist coupling of the unit to the sea floor...
7632043 Seismic sensor transfer device  
A method and apparatus for storing, transporting, and transferring one or more sensor devices is described. In one embodiment, the apparatus includes a transfer device having a frame, and a movable...
7586809 Underwater sensor and data sensing and recording apparatus  
The apparatus has a sensor disposed on the first end of an elongate connector by means of fixed interface link. A recorder unit is disposed on the second end of the connector opposite the first...
7558155 Optical sensor interrogation with wavelength grouping in time slots  
Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments,...
7554880 Marine surveys  
A method generates at least one route traversing a plurality of predetermined survey paths in a marine survey. The method includes generating a plurality of routes traversing a subset of the...
7539081 Seabed resource exploration system and seabed resource exploration method  
A seabed resource exploration system includes: a vibrator 1 for transmitting a sound wave into the sea and receiving a scattered wave in which the sound wave is reflected on a boundary surface...
7539080 Grating design for use in a seismic sensing system  
Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments,...
7535800 Seismic imaging and tomography using seabed energy sources  
In-sea seismic energy sources, deployed at or near the seabed, generate seismic waves in earth formations beneath the seabed when activated by a triggering mechanism at a precise time synchronized...
7518948 Marine seismic streamer having soluble encapsulant surrounding seismic sensors therein  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the streamer and is disposed inside the jacket. At least one...
7505361 Method for prediction of surface related multiples from marine towed dual sensor seismic streamer data  
Particle motion sensor signals and the pressure sensor signals data from a towed marine seismic streamer are combined to generate an up-going pressure wavefield component and a down-going particle...
7483335 Permanently installed seismic ocean bottom cable  
A seismic ocean bottom cable array is provided for use in subsurface exploration. The array includes receiver stations for measuring seismic signals, and a cable including conductors for data...
7466625 Noise estimation in a vector sensing streamer  
A method includes recording a first set of data using a first type of sensor; recording a second set of data using a second type of sensor, the first and second sets of data being contemporaneously...
7466627 System and method for wireless data collection from seismic recording buoys  
A seismic data acquisition telemetry system includes a seismic vessel including a data recording system thereon. The system includes a seismic data gathering unit in operative connection with at...
Matches 1 - 50 out of 226 1 2 3 4 5 >