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8908473 Method of subsurface imaging using microseismic data  
A method of subsurface imaging is disclosed, the method involving using input data relating to the geometry of a fracture in a subsurface medium, mechanical properties of the medium and in-situ...
8908472 Heads-up navigation for seismic data acquisition  
A method and system for acquiring seismic data from a seismic survey plan is provided. A survey area is selected in which the seismic data will be acquired. A coordinate for at least one point of...
8908470 Solid seismic streamer cable and method  
An apparatus includes a streamer cable having one or more seismic devices disposed within a polymer body and about a core. The polymer body includes a channel defined therein for receiving one or...
8905931 Subject information processing apparatus  
Generally, a photoacoustic signal has a wavelength longer than a general ultrasonic signal. That is, it does not matter even if at the time of acquisition of the photoacoustic signal, an element...
8908476 Apparatus and method for seabed exploration  
Provided are an apparatus and a method for seabed exploration using an unmanned remotely operated vehicle. The apparatus for seabed exploration of the present invention includes: an unmanned...
8908474 Inversion of 4D seismic data  
The invention is a method for inferring the saturation and pressure change of a reservoir by combining the information from 4D (time-lapse) seismic and time lag data volumes (7) derived from the...
8908471 Method for building velocity models for imaging in multi-azimuth marine seismic surveys  
A programmable computer is used to perform the following. 3D seismic data sets, corresponding to each azimuth in seismic data obtained from a multi-azimuth marine seismic survey, are migrated in...
8902712 Method for enhancing low frequency output of impulsive type seismic energy sources and its application to a seismic energy source for use while drilling  
A method for operating an impulsive type seismic energy source in a firing sequence having at least two actuations for each seismic impulse to be generated by the source. The actuations have a...
8902699 Method for separating up and down propagating pressure and vertical velocity fields from pressure and three-axial motion sensors in towed streamers  
A measured pressure field, a measured vertical velocity field, and two measured orthogonal horizontal velocity fields are obtained. A programmable computer is used to perform the following. A...
8902701 Methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations  
Example methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations are disclosed. A disclosed example method includes computing a first shear...
8902710 Method for determining discrete fracture networks from passive seismic signals and its application to subsurface reservoir simulation  
A method for mapping a fracture network that includes determining a source of at least one seismic event from features in recorded seismic signals exceeding a selected amplitude (“visible seismic...
8901937 Foreground techniques for comparator calibration  
A method and a device for canceling an offset voltage in an output of a comparator circuit include applying a signal to a first input of the comparator as a function of an initial tap point in a...
8902705 Regularisation of irregularly sampled seismic data  
There is provided a method of spatially shifting seismic signals acquired through a seismic survey using the steps of identifying within the signals a set of N actual locations of seismic...
8902077 Subsea communication system and technique  
A subsea communication system is used to communicate between a position that is proximal to a surface of the sea and an apparatus of the seabed. The subsea communication system includes an...
8902702 Methods and apparatus to image subsurface formation features  
Methods of and apparatus to image one or more subsurface formation features are disclosed. An example method includes generating acoustic waves with a transmitter and receiving the acoustic waves...
8902696 Multiwing surface free towing system  
A technique for seismic surveying is presented in which a towed array, marine seismic spread, includes a plurality of streamers and a deflector system. The deflector system laterally spreads the...
8903563 Control device and method thereof  
A control device which controls the power of a plurality of apparatuses in a home network, and a method thereof are provided. The control device includes an input unit which receives a power off...
8902078 Systems and methods for well monitoring  
Devices capable of being disposed in a wellbore for outputting acoustical signals for monitoring downhole parameters are described. Receiving devices positioned remote from the devices and can...
8902708 System and method for seismic beam formation that accounts for equipment misalignment  
Seismic data representing the propagation of seismic energy through a geologic volume of interest is processed. The seismic energy propagates through the geologic volume of interest from one or...
8902704 Method and device for logging the fluid depth in a wellbore  
In a method for logging the location of a fluid depth in a wellbore, an acoustic event is allowed to take place in a specific manner at the ground surface. This acoustic event generates pressure...
8900166 Automatic adjustable voltage to stabilize pressure for shockwave medical therapy device  
An electrohydraulic shock-wave therapy apparatus comprising a variable voltage source and a controller that controls the voltage source for accurate adjustment of the shock wave pressure. The...
8902697 Removing seismic interference using simultaneous or near simultaneous source separation  
A technique includes providing seismic data that is indicative of energy that is sensed in response to a first operation of at least one seismic source in a first seismic survey and a second...
8902698 Methods and apparatus for seismic exploration using pressure changes caused by sea-surface variations  
Disclosed are apparatus and methods for seismic exploration using pressure changes caused by sea-surface variations as a low-frequency seismic energy source. One embodiment relates to a method...
8902713 Wearable device with acoustic user input and method for same  
An electronic device (100) includes a component portion (101) and a strap (102). The strap defines an air chamber (402) therein having a corresponding volume. A driver (403) is disposed in the...
8902408 Laser tracker used with six degree-of-freedom probe having separable spherical retroreflector  
A method for measuring three-dimensional coordinates of a probe center includes: providing a spherically mounted retroreflector; providing a probe assembly; providing an orientation sensor;...
8902695 Apparatus and method for clock shift correction for measurement-while-drilling measurements  
The disclosure provides a method which includes transmitting signals over a time period between a downhole location and a surface location during drilling of a wellbore; recording the time of each...
8902709 Methods for concurrent generation of velocity models and depth images from seismic data  
In various embodiments, the present disclosure describes methods for processing seismic data to concurrently produce a velocity model and a depth image. Various embodiments of the methods include:...
8901931 Electromagnetic surface-to-borehole look around systems and methods of monitoring in horizontal wells  
A method for water monitoring about a deviated well is disclosed. The method includes positioning a series of electromagnetic (EM) receivers in a completed deviated wellbore, said receivers being...
8903576 Device, program product and computer implemented method for touchless metrology using an inertial navigation system and laser  
A metrology device, computer program product and computer-implemented method generating survey data without having the device touch subsea objects being surveyed. The metrology device may be used...
8902707 Analysis of uncertainty of hypocenter location using the combination of a VSP and a subsurface array  
Acoustic signals resulting from microseismic events in the subsurface are received in a first array of detectors deployed in a borehole and in a second array of detectors at or near the surface of...
RE45268 Apparatus for seismic data acquisition  
A seismic exploration method and unit comprised of continuous recording, self-contained wireless seismometer units or pods. The self-contained unit may include a tilt meter, a compass and a...
8902706 Technique and apparatus for seismic data quality control using non-linear regression analysis  
A technique includes receiving seismic data acquired in a seismic survey. The technique includes determining a geophysical trend of trace amplitudes indicated by the seismic data based on...
8902711 System and method for analyzing and transforming geophysical and petrophysical data  
A computer system and a computer-implemented method for analyzing input data from a geological volume of interest in a subterranean formation. The method includes processing the input data using a...
8902700 Borehole seismic acquisition system  
A borehole seismic acquisition system is described with a plurality of sensors arranged so as to identify within the data measured by the pressure sensors P- and S-wave related signals converted...
8902703 Downhole positioning system  
Downhole positioning systems and associated methods are disclosed. In some embodiments, the system comprises a downhole source, an array of receivers, and a data hub. The downhole source transmits...
8898020 Method for time picking and orientation of three-component seismic signals in wells  
A method, having application to petroleum exploration or production, for picking the arrival time of seismic waves and use thereof for orienting the components of a multi-component sensor. After...
8893822 Apparatus and methods for real time communication between drill bit and drilling assembly  
An apparatus and method of performing a wellbore operation. The apparatus includes a drill bit that has a cavity at an end thereof and a communication device placed in the cavity. The...
8894580 Reflective echo tomographic imaging using acoustic beams  
An inspection system includes a plurality of acoustic beamformers, where each of the plurality of acoustic beamformers including a plurality of acoustic transmitter elements. The system also...
8897095 Object probing device, object probing program, and object probing method  
An object probing device includes: a sound source which projects a sound pulse within a propagation environment; a transducer array disposed in a region for receiving the forward scattered wave...
8893848 Discrete electric seismic source  
The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric...
8897096 Oscillator and electronic device  
In an oscillator (100), a plurality of piezoelectric vibrators (111 to 113) supported by vibrator support mechanisms (120) individually output highly directional sound waves. The plurality of...
8897094 Marine seismic data acquisition using designed non-uniform streamer spacing  
The invention relates to an arrangement for seismic streamers used in the acquisition of seismic data in a marine environment where the spacing between each adjacent pair of streamers is not all...
8891334 Compact, energy-efficient ultrasound imaging probes using CMUT arrays with integrated electronics  
A CMUT on CMOS imaging chip is disclosed. The imaging chip can use direct connection, CMOS architecture to minimize both internal and external connection complexity. Intelligent power management...
8891331 Steerable source array and method  
Method and marine acoustic source array for generating an acoustic wave in a body of water. The marine acoustic source array includes first and second external source sub-arrays, each sub-array...
8890710 Method and system of an electromagnetic telemetry  
An electromagnetic telemetry repeater. At least some of the illustrative embodiments are methods comprising inducing an electrical signal along a metallic tubular (the electrical signal carrying...
8891332 Steerable source systems and method  
A marine acoustic source system for generating an acoustic wave in a body of water. The marine acoustic source system includes a first marine acoustic source array having first and second external...
8892388 Box counting enhanced modeling  
A method can include providing spatial data for a base case of a subsurface geologic formation; providing spatial data for a simulation case of the subsurface geologic formation; performing box...
8891333 Oscillator and electronic device  
An elastic vibration plate (110) is divided into a plurality of elastic vibrating regions (112) through slits (111) having a predetermined shape, a plurality of piezoelectric vibrators (120) which...
8891335 Generation of ultra-high frequency sound  
An apparatus for generating ultra-high frequency sound waves with frequencies between (1 GHz-10 GHz) is proposed. The apparatus comprises a magnetic phonon-gain medium configured to generate high...
8891785 Processing signals  
Signals are received, over a range of angles, at an input of a device. The signals include a primary signal with a principal direction of arrival and an interfering signal with a respective...