Matches 1 - 50 out of 123 1 2 3 >
Match Document Document Title
7239577 Apparatus and methods for multicomponent marine geophysical data gathering  
In one embodiment the invention comprises a particle velocity sensor that includes a housing with a geophone mounted in the housing. A fluid that substantially surrounds the geophone is included...
7142481 Method and system for making marine seismic streamers  
An apparatus for making a marine seismic streamer includes a conveyor for transporting assembled mechanical harness from a storage device therefor to a storage device for storing completed marine...
6806423 Grounding device for high speed water vehicles  
A grounding device for water vehicles. The device includes an elongated electrical conductive section. The device also includes an elongated rope for increasing water resistance positioned in an...
6678212 Seismic cables and a method for manufacturing such  
A seismic cable ( 1 ) and a method of manufacturing such a cable. The cable includes a plurality of elongated electrical/optical elements which are arranged to be interconnected with a number of...
6570821 Low-noise towed acoustic linear antenna  
Towed low-noise linear acoustic antennas configured for seismic exploration. The jacket of this antenna is pierced with holes that allow seawater to enter the inside of the antenna. The hydrophones...
6563762 Termination assembly for disposal between a marine tow cable and an acoustic receiver array  
A termination assembly for disposal between a marine tow cable and an acoustic receiver array includes a cable sleeve having a grip portion adapted to grip a cable outer jacket, and a collar...
6538198 Marine umbilical  
Various embodiments of an umbilical are provided. In one aspect, an umbilical is provided that includes a first tube, a second tube positioned in the first tube and a plurality of third tubes...
6510270 Sub-oceanic cable network system and method  
A cable system for installation on the ocean floor or under another body of water includes a plurality of sub-sea junction boxes installed at spaced locations throughout a predetermined sub-oceanic...
6477111 Method of making a marine seismic streamer  
A seismic streamer comprises a substantially solid core having many of the main components of the streamer, namely hydrophones, electronics modules for digitising the outputs of the hydrophones,...
6426464 Cable sectional assembly which houses concatenated electronic modules  
A cable sectional assembly houses an electrically concatenated series of electronic circuit modules and has electric hook-up media interspersed between the modules. Each run of interspersed hook-up...
6262944 Solid fill acoustic array  
An acoustic array including a plurality of acoustic sensors positioned at predetermined telemetry points for measuring the acoustic energy from the surrounding environment. The acoustic sensors are...
6242688 Sea electrode for a high voltage direct current transmission system  
A sea electrode (15) for grounding of a high voltage direct current transmission system comprises an electrically conducting electrode body (1) for connection to the transmission system and at...
6239363 Variable buoyancy cable  
A variable buoyancy cable is provided. In one aspect, the variable buoyancy cable includes a flexible sleeve that has an inner wall and an outer wall. A core is positioned in the sleeve and has a...
6185154 Low surface friction acoustic envelope for towed sonar arrays  
A low friction surface is provided to hose-shaped acoustic envelopes for towed sonar arrays. The low friction surface permits multiple envelopes that are in intimate, parallel contact or that are...
6156973 Foam covered tube for wiring harnesses  
A tube for wiring harnesses consists of a cylindrical body for passage therethrough of a terminal-attached cable branched from a wiring harness, the cylindrical body being made of a foamed flexible...
6128251 Solid marine seismic cable  
An arcuate or flat ferroelectric sensor is incorporated in a seismic streamer. The structure comprises an interior cable, a surrounding woven strength member, an overlying foam floatation layer,...
6108267 Non-liquid filled streamer cable with a novel hydrophone  
A non-fluid-filled streamer cable or towed array for performing seismic surveys in water-covered areas includes a plurality of serially coupled active cable sections. Each active cable section...
5943293 Seismic streamer  
A seismic marine streamer (10) including hydrophones (12) housed in elongate flexible tubes (11), a pair of load carrying rope members (25, 26), and a plurality of spacers (15) which substantially...
5902430 Process for manufacturing an acoustic linear antenna  
Methods for making linear acoustic antennas designed to be towed behind a boat, wherein open-cell foam cylinders (101) are opened lengthwise (103) and electroacoustic receiver modules (101) are...
5867451 Solid marine seismic cable assembly  
A solid marine seismic cable assembly includes a cable, hydrophone housings, a buoyant filler, and an outer protective jacket. The cable includes a load-bearing fiber bundle, data-transmitting...
5795102 Marine and submarine apparatus  
The invention relates to improvements in an apparatus, such as pipelines (2) and associated equipment and to a method of making, insulating, providing buoyancy to, recovering and installing...
5777954 Hydrophone streamer having water-based fill fluid and method of manufacture thereof  
An air-bladder free hydrophone streamer for use in an aqueous environment and a method of manufacture thereof. The hydrophone streamer includes: (1) data acquisition equipment including data bus...
5745436 Semi-dry marine seismic streamer cable section  
A semi-dry marine seismic streamer cable (5) consists of a number of connected streamer cable sections (5a) which each comprises a mechanical jacket (10) surrounding a hollow core (11) enclosing...
5692918 Two-piece universal cable-connector adapter  
A seismic cable connector adapter assembly for coupling sub-diameter seismic streamer-cables to standard-sized instrumented cable connector modules.
5673235 Sock shaped internal strength member for towed arrays  
An elongate towed acoustic array is improved by the inclusion of a speciflly configured tensile load bearing strength member disposed within a hose-shaped sheath. The member has a plurality of...
5561640 Multi-section sonar array cable  
Sonar array cable is typically provided in lengths comprising hydrophone ays and associated electronics and transmitter can components, each cable length or section having one of each of these...
5523983 Dual rope vibration isolation module for towed hydrophone streamer  
Disclosed is a vibration isolation module for a towed hydrophone streamer comprising: (1) a first transition unit, an outboard end of the first transition unit capable of receiving a first tension...
5521885 Hydrophone arrangement  
A towed streamer including a hydrophone (1) supported, in a filler (4) being either liquid or semi-liquid such as a gel having wave damping properties, within a housing (2). The housing (2) is in...
5471436 Vibration isolation modules (VIM) for towed array streamers  
A towed streamer including buoyant core (1), and strength members (3) to transmit tension along the streamer. Strength members (3) are arranged so that the streamer is compliant for a predetermined...
5463193 Vibration isolation module  
A Vibration Isolation Module (VIM) for a towed acoustic streamer includes cylindrical masses attached at regular spacing to a central core of viscoelastic damping material, which may be extruded...
5459695 Seismic cable with reusable skin  
A seismic cable segment is provided having a longitudinal seam for access into the seismic cable, a cable skin lock, a flotation tube for varying the buoyancy of the seismic cable, external stress...
5404340 Marine seismic streamer with a device for damping oscillations  
The invention relates to a marine-seismic streamer having a liquid-filled tube (4) in which there are arranged, in the longitudinal direction, hauling cables and flow-obstructing devices including...
5400298 Towed hydrophone streamer with distributed electronics housings  
Disclosed is a towed hydrophone streamer module comprising: (1) an elongated, fluid-resistant jacket having a substantially circular cross section, the water resistant jacket having mating...
5367499 Vibration isolation module for towed hydrophone streamer  
Disclosed is a vibration isolation module for a towed hydrophone streamer comprising: (1) a first outboard transition unit having an outboard end and an inboard end, the outboard end of the first...
5274603 Marine seismic cable section assembly  
A marine seismic cable section with stress members and internal wiring located within the cable section in a manner which reduces internal bending stresses upon the cable section when wound upon a...
5272679 Towed array jacket  
A jacket for a liquid filled towed array is formed from a composite material formed from short lengths (typically 2-4 mm) of reinforcing fibre (1) which are mixed with a thermoplastic material (2)...
5251182 Hydrophone cable construction  
An acoustic sensor module, contains groups of single sensor elements within a fluid-tight enclosure. The enclosure is bounded by a reinforced hose wall and module end caps at either end of the...
5235137 Buoyant cable  
A buoyant cable, particular for magnetic minesweeping applications, comprising a bundle of electrically conductive tubes (1) with an overall electrically-insulating sheath (4), the tubes providing...
5141796 Towed array streamer  
A towed array streamer including a buoyant core, a data bearer layer, longitudinally positioned strain members and at least an outer jacket in which a strain member support has provided in it a...
5115103 Insulated conductor and method of producing the same  
This invention relates to a novel coating structure composed of a mixture of an energy irradiation curable resin composition and microspheres, which is used to form a thinfilm coating on a small...
5089668 Towable buoyant streamer for data bearer  
A towed streamer having a buoyant core, a data bearer layer surrounding the buoyant core, an inner jacket layer formed of a resilient material surrounding the data bearer layer, and an outer jacket...
5062085 Vibration isolation module for towed seismic arrays  
Longitudinal shocks and longitudinal emotional disturbances are reduced between members attached to opposite ends of a vibration isolation module. An elongate, essentially cylindrically shaped cord...
5046055 Modification to towed array bulkheads  
A towed array of hydrophone modules employs bladders that are mounted to bulkheads at the ends of the hose sections. The bladders are configured and pressurized so that pressure waves produced by...
5034712 Magnetic heading sensor alignment  
A magnetic heading sensor alignment device for an acoustic towed line array s described. It includes a generally cylindrical non-magnetic piece having a longitudinal opening along its central axis...
5020033 Large eddy break-up device for towed arrays  
A large eddy break-up device for towed acoustic arrays for reducing the f noise due to the (TBL) around the towed array is described. It includes two identical halves, each having a circumferential...
4951265 Oil fill procedure for seismic marine streamer  
A method for reducing signal degradation in a foam covered hydrophone used in seismic marine streamers. Said method comprises purging the foam streamer body with a fluid which is at least partially...
4910715 Marine seismic streamer cable  
A plurality of sensor arrays are mounted in a streamer cable. The sensors within each array are distributed over an elongated two-dimensional vertical plane. The seismic streamer cable is so...
4821241 Noise-cancelling streamer cable  
In a seismic streamer cable, stress sensors are co-located with the hydrophones in the cable. The stress sensors are responsive to mechanical stresses applied to the cable but it are substantially...
4775962 Marine seismic streamer employing variable aperture flow through spacers  
A fluid filled marine seismic streamer employs a plurality of hydrophones spaced apart along its length to detect seismic reflection signals from subsurface formations below a water layer. A...
4759001 Termination apparatus for a marine streamer employing a flexible load bearing outer hosewall  
A hosewall terminating apparatus for a streamer section utilizing a load bearing flexible hosewall includes an inner sleeve having radially extending outward protrusions and an outer sleeve having...
Matches 1 - 50 out of 123 1 2 3 >