Enhancing low frequency content in marine simultaneous vibroseis acquisition
C Bagaini - US Patent 9,158,019, 2015 - Google Patents
A technique is designed for conducting a seismic survey. The technique utilizes a plurality of
vibrator arrays employed to conduct a seismic survey utilizing low frequency and high …
vibrator arrays employed to conduct a seismic survey utilizing low frequency and high …
Control system for marine vibrators and seismic acquisition system using such control system
SRL Tenghamn - US Patent 7,974,152, 2011 - Google Patents
A method for controlling output of a marine seismic vibrator includes operating the vibrator
using a predetermined driver signal. A vibrator output signal is measured at at least two …
using a predetermined driver signal. A vibrator output signal is measured at at least two …
Marine acoustic vibrator having enhanced low-frequency amplitude
SRL Tenghamn - US Patent 8,446,798, 2013 - Google Patents
A seismic source includes a flextensional shell defining a longer axis and a shorter axis and
at least one driver coupled to the flextensional shell proximate an end of the shorter axis …
at least one driver coupled to the flextensional shell proximate an end of the shorter axis …
Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip
SRL Tenghamn - US Patent 8,335,127, 2012 - Google Patents
A method for generating seismic energy for subsurface surveying include operating a first
seismic vibrator above an area of the subsurface to be surveyed and operating at least a …
seismic vibrator above an area of the subsurface to be surveyed and operating at least a …
Review of vibroseis data acquisition and processing for better amplitudes: adjusting the sweep and deconvolving for the time‐derivative of the true groundforce
A Ziolkowski - Geophysical Prospecting, 2010 - earthdoc.org
The goal of vibroseis data acquisition and processing is to produce seismic reflection data
with a known spatially‐invariant wavelet, preferably zero phase, such that any variations in …
with a known spatially‐invariant wavelet, preferably zero phase, such that any variations in …
Efficient seismic source operation in connection with a seismic survey
T Dean - US Patent App. 13/167,612, 2012 - Google Patents
BACKGROUND 0002 Seismic exploration may involve surveying subter ranean geological
formations (eg, for hydrocarbon and/or other deposits). A Survey may involve deploying …
formations (eg, for hydrocarbon and/or other deposits). A Survey may involve deploying …
The construction of a simple portable electromagnetic vibrator from commercially available components
Since its introduction in the late 1950s, hydraulic vibrators have become the dominant
source for land seismic surveys. The hydraulic vibrators typically used for commercial land …
source for land seismic surveys. The hydraulic vibrators typically used for commercial land …
Seismic vibrator array and method for using
SRL Tenghamn - US Patent 8,094,514, 2012 - Google Patents
A method for generating seismic energy for subsurface surveying includes operating a first
seismic vibrator and operating at least a second seismic vibrator substantially …
seismic vibrator and operating at least a second seismic vibrator substantially …
Device and method for continuous data acquisition
J Sallas, R Dowle, R Laurent, B Teyssandier - US Patent 8,619,497, 2013 - Google Patents
Method for generating an excitation signal for a first vibratory seismic source so that the first
vibratory seismic source is driven with no listening time. The method includes a step of …
vibratory seismic source is driven with no listening time. The method includes a step of …
Seismic attributes for reservoir localization
EH Saenger - US Patent 8,219,320, 2012 - Google Patents
A method and system for processing three component seismic data includes determining a
covariance data matrix from three component seismic data for each of a plurality of time …
covariance data matrix from three component seismic data for each of a plurality of time …