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CobaltIP-faceted-search-demo
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8094513 Determining positioning of survey equipment using a model  
To performing positioning of survey equipment, measurements of acoustic signals reflected from at least one boundary of a marine environment are received. The reflected acoustic signals are...
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...
8004930 Methods and systems for determining coordinates of an underwater seismic component in a reference frame  
A method comprising determining coordinates of a first point rigidly attached to a rigid body floating on the sea surface in a desired coordinate reference frame; measuring orientation parameters...
7965583 Method and apparatus for guiding seismic acquisition equipment  
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 the...
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...
7852708 Sensing and actuating in marine deployed cable and streamer applications  
Methods and related systems are described for use with hydraulic fracturing and other oilfield applications. A tool body is positioned in a wellbore at a location near a subterranean rock formation...
7835221 Optical methods and systems in marine seismic surveying  
Methods and systems for determining position of marine seismic spread components are disclosed. One method comprises exposing an underwater marine seismic spread component to an optical device, and...
7813218 Performing quality control with respect to positioning of survey hardware  
To perform quality control with respect to positioning of survey hardware, survey navigation data is acquired regarding components of the survey hardware used to perform a survey operation with...
7701803 Underwater acoustic positioning methods and systems based on modulated acoustic signals  
Methods and systems for moving seismic streamer steering devices to target positions are disclosed. One method comprises calculating forces required to steer one or more seismic streamer steering...
7660191 Methods and apparatus for acquisition of marine seismic data  
Methods and apparatus for acquiring marine seismic data are described. One method comprises selecting tow depth of one or more marine seismic streamers based at least in part on lack of or presence...
7660192 Seismic streamer receiver selection systems and methods  
Systems and methods for determining inline skew of one or more seismic streamers are disclosed. One system embodiment includes a seismic streamer including a plurality of receivers, a skew detector...
7656746 Rational motion compensated seabed seismic sensors and methods of use in seabed seismic data acquisition  
Apparatus and methods for acquiring seismic data using a seabed seismic data cable positioned on a seabed are described, including correcting for the effect of one or more sensor non-linear...
7599249 Cable motion detection  
The present invention provides for cable motion detection. In one aspect of the instant invention, a method is provided for cable motion detection using orientation sensor. The method includes...
7577060 Systems and methods for steering seismic arrays  
Marine seismic survey systems and methods are presented. One system comprises a source array, a tow vessel, one or more source tow members, one or more deflecting members operatively connected to...
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...
7539079 System and method for determining positions of towed marine source-array elements  
A system comprises a plurality of seismic transmitters, at least one seismic source array, and a processor. Each seismic source array comprises a plurality of seismic source-array elements, mounted...
7518951 Systems and methods for seismic streamer positioning  
Systems and methods for determining position of one or more seismic streamers are disclosed. One system embodiment includes a seismic streamer towed by a towing vessel at a first depth; at least...
7480204 Seismic data processing  
Implementations of various technologies for processing seismic data. In one implementation, the seismic data may be processed by creating a fictitious source-receiver line connecting a source with...
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...
7443763 Full wave seismic recording system  
The present disclosure generally relates to systems and methods for acquiring seismic data. In one exemplary embodiment, a method for acquiring seismic data is described in which recorder...
7433264 Methods and systems for determination of vertical correction of observed reflection seismic signals  
Methods and systems for determining position of seismic sources and receivers are disclosed. Signals received by a first antenna are processed to determine its 3D coordinate position. Signals...
7391674 Methods and systems for determining orientation of seismic cable apparatus  
Methods and systems for estimating one or more orientation parameters of a seismic apparatus are described. One method comprises initiating an acoustic signal from an acoustic transmitter in a...
7376045 System and method for determining positions of towed marine seismic streamers  
A system comprises a plurality of acoustic transmitters, mounted inside the streamers, adapted to transmit broadband signals having low cross-correlation between the signals of different...
7315486 Library of velocity dependent extended spread-spectrum codes  
A method and apparatus is provided for determining a propagation time delay. The apparatus includes at least one source adapted to generate a plurality of positioning signals, at least one receiver...
7203130 Methods for deriving shape of seismic data acquisition cables and streamers employing a force model  
Methods and systems for determining position of one or more portions of a seismic streamer, which portions may be seismic receivers, are disclosed. One method includes measuring one or more...
7066687 Marine seismic surveying  
A method of performing a seismic survey of a hydrocarbon reservoir in the earth formations beneath a body of water includes deploying a seismic cable from a drum carried by a remotely operated...
7050355 Determining the orientation of a seismic receiver, a seismic receiver, and a method or seismic surveying  
The invention provides a method of determining the orientation of a seismic receiver (4, 6) from seismic data acquired at the receiver (4, 6). The determined orientation can be taken into account...
6985403 Control device for controlling the position of a marine seismic streamer  
A control device (1) for controlling the position of a marine streamer comprising; an annular aerofoil (2), a mount (3) for mounting the annular aerofoil onto and around the streamer; and control...
6839302 Acoustic emitters for use in marine seismic surveying  
An acoustic emitter for coupling in series in a marine seismic streamer is provided with an annular housing and an annular piezoelectric emitting element positioned coaxially within the housing....
6747913 Method and system for deghosting  
In one embodiment the invention comprises a method for receiving an acoustic wavefield beneath the surface of the water in which at least a portion of an acoustic wavefield is received at a first...
6671223 Control devices for controlling the position of a marine seismic streamer  
A control device or “bird” for controlling the position of a marine seismic streamer is provided with an elongate, partly flexible body which is designed to be electrically and mechanically con...
6618321 Method for simulating streamer positioning, and for navigation aid  
The invention relates to a method of simulating the positioning of a streamer towed by a ship (10) during an operation of acquiring geophysical data at sea, said acquisition operation making use of...
6483775 Bird communications system in a marine seismic cable  
A communication housing for devices external to a solid marine seismic cable, especially for level control devices, comprises an upper housing half and a lower housing half, coupled together around...
6076630 Acoustic energy system for marine operations  
A marine seismic source for generating acoustic source energy. A housing has a continuous exterior perimeter which is moveable to displace water. Movement of the housing can be accomplished by...
6005828 Acoustic positioning of seismic ocean bottom cable  
A seismic ocean bottom positioning device include a series of seismic stations spaced apart at a predetermined interval along a cable. Each station includes a hydrophone, a motion sensing device...
5978313 Time synchronization for seismic exploration system  
A system and method for synchronizing collection of seismic data used for seismic surveys. In one embodiment, positioning signals received from a positioning system, such as the Global Positioning...
5790472 Adaptive control of marine seismic streamers  
A method for controlling the position and shape of marine seismic streamer cables, whereby a plurality of real time signals from a marine seismic data acquisition system and a plurality of...
5771202 Method for acquisition of seismic data at sea  
A method for acquisition of seismic data from an area surveyed using a group of seismic energy sources and a group of seismic streamer cables, particularly a marine area, includes forming a first...
5761153 Method of locating hydrophones  
A method of computing the location of air guns and hydrophones within a seismic spread utilizes a navigation network having a plurality of stations. The network provides a plurality of navigation...
5757722 Method for verifying the location of an array of detectors  
A high-order, polynomial regression curve is fitted to a global set of first-arrival pick times as a function of the nominal ranges between a plurality of acoustic sources having known geodetic...
5696733 Method for verifying the location of an array of sensors  
A high-order polynomial regression curve is fitted to a global set of first arrival times as a function of the nominal ranges between a plurality of acoustic sources having known geodetic...
5668775 Methods for determining the position of seismic equipment, and applications of the methods  
A method for determining the position of seismic equipment wherein acoustic transmitters transmit spread spectrum sequences which are received by the seismic sensors in the equipment whose position...
5650981 Multi-vessel timing synchronization method and device  
This invention relates generally to a method and system for synchronizing the timing of events between and among vessels using a common timing reference.
5497356 Method and apparatus for verifying the location of a seismic bottom cable in real time  
One or more slave acoustic transponders are secured to selected parts of a seismic bottom cable whose location is imperfectly known. A master transponder broadcasts an interrogation pulse from each...
5353223 Marine navigation method for geophysical exploration  
The present invention provides a method for on-line real-time processing of processing navigational data for determining the location of sensor and receiver points in a navigational network having...
5345522 Reduced noise fiber optic towed array and method of using same  
A sensitive towed optical fiber sensor array 50, wherein the fiber sensors (60A-60N) are connected in parallel, and the optical fiber cable (34) is paid out from the towing ship at a velocity about...
5331603 Magnetic heading sensor alignment and roll reducing device  
A magnetic heading sensor alignment and roll reducing device is provided. A enerally cylindrical assembly has a first end and a second end. Each end has a plurality of grooves located equiangularly...
5319609 Acoustic emission system for seismic surveying at sea  
An acoustic emission system for seismic surveying at sea, for the purpose of emitting a soundwave in a given direction, the system comprising firstly a plurality of immersed sources mechanically...
5233357 Surveying system including an electro-optic total station and a portable receiving apparatus comprising a satellite position-measuring system  
A terrestrial surveying system comprising an electro-optic total station (1) for combined measurement of angle and distance and a connection to data storage (11) or data processing devices (20),...
5166905 Means and method for dynamically locating positions on a marine seismic streamer cable  
A marine seismic system includes a streamer cable which is towed by a vessel in a body of water. The streamer cable includes a plurality of hydrophones located at predetermined positions in the...
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