Matches 1 - 21 out of 21


Match Document Document Title
US20110182140 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...
US20110211424 Acoustic Transducer for Swath Beams  
A swath beam acoustic transducer (100) for projecting and/or receiving acoustic swath beams (108). The transducer comprises an array of active acoustic elements (104) that are arranged to...
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...
US20120155222 Method and apparatus for terminating rope and its application to seismic streamer strength members  
A termination for an end of a braid formed as a flat closed loop of braided strands expandable to an annular cylinder having a selected wall thickness includes a sleeve having a selected internal...
US20110110197 Broadband Underwater Acoustic Transducer  
An efficient, broadband, underwater acoustic transducer having nominally a quasi-omnidirectional radiation pattern is realized with a plurality of thin walled radially vibrating spherical...
US20130142013 SYSTEMS AND METHODS FOR MARINE ANTI-FOULING  
An anti-biofouling casing for a seismic streamer is provided, the casing comprising an outer-skin, the outer skin comprising a mix of a base material and a molecular additive, wherein the...
US20130083622 UNDERWATER NODE FOR SEISMIC SURVEYS  
A method, system and a marine node for recording seismic waves underwater. The node includes a body made of a compressible material that has a density similar to a density of the water; a first...
US20120002508 UNDERWATER ANTENNA  
A submarine antenna, in particular for assembly on the hull of a submarine, comprising a number of adjacently arranged electroacoustic converters each with a number of hydrophones arranged one...
US20130315036 SENSOR ASSEMBLY  
A multiple axis sensor assembly includes an enclosure and encapsulated microelectromechanical system (MEMS) sensors. The encapsulated sensors are disposed inside the enclosure and are mounted in...
US20130051176 SEISMIC ACQUISITION USING SOLID STREAMERS  
Some embodiments of the disclosed invention include a method for acquiring marine seismic data using solid streamers in a curved pattern. Streamers can be towed in a curved pattern within a body...
US20120106300 DOWNSCAN IMAGING SONAR  
A sonar transducer assembly for mounting to a surface watercraft includes a rectangular first transducer configured to produce a first beam defining a fan-shape and extending generally in a first...
US20130039153 SYSTEMS AND METHODS FOR MARINE ANTI-FOULING  
An anti-biofouling casing for a seismic streamer is described, the anti-biofouling casing including a polymer system having a hydrophobically-modified base polymer, the hydrophobically-modified...
US20080267009 Containerized Geophysical Equipment Handling and Storage Systems, and Methods of Use  
Systems and methods for marine seismic cable deployment and retrieval are described. One system comprises a plurality of portable containers, each container temporarily storing a marine seismic...
US20120275275 ANTI-ATTACHMENT DEVICE AND METHOD  
Method and an anti-attachment device configured to be provided on a streamer. The anti-attachment device includes a body configured to be provided around the streamer and a first end is configured...
US20110305117 Omni-directional radiator for multi-transducer array  
An acoustic radiator for underwater application is provided by opposing boundaries mutually spaced and centered on a common axis, a plurality of radial barriers located perpendicular to and...
US20110242943 Hydrophone and Hydrophone Assembly for Performing Stereophonic Underwater Sound Recordings  
A hydrophone for recording underwater sound includes a housing having an outer surface designed to serve as a boundary surface for an incident sound wave and at least one vibration sensor having a...
US20080192579 Method and Apparatus for Hydrophone Array Fault Detection and Exclusion  
A system is disclosed that provides an improvement in detecting a faulty hydrophone channel in a hydrophone array. The disclosed technique operates on pairs of hydrophones or, to generalize, on...
US20100208554 MULTIPLE SEISMIC SIGNAL INVERSION  
The invention relates to methods and equipment for acquiring and processing marine seismic data are disclosed that correct source movement during inversion. By correcting source movement during...
US20150301207 Sensor Assembly  
A multiple axis sensor assembly includes an enclosure and encapsulated microelectromechanical system (MEMS) sensors. The encapsulated sensors are disposed inside the enclosure and are mounted in...
US20150258583 COMPOSITE TRANSDUCER APPARATUS AND SYSTEM FOR PROCESSING A SUBSTRATE AND METHOD OF CONSTRUCTING THE SAME  
An apparatus for processing articles with acoustic energy and a method of constructing a transducer that utilizes a composite of piezoelectric pillars. In one embodiment, the invention is a method...
US20110317517 Seismic data acquisition system with selectively enabled sensor units, and associated methods  
A disclosed seismic survey system includes one or more streamer(s) each having multiple spaced apart sensor units, and a data recording and control system. Each sensor unit receives a command from...

Matches 1 - 21 out of 21