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 …

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 …

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 …

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 …

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 …

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 …

The construction of a simple portable electromagnetic vibrator from commercially available components

T Dean, H Nguyen, A Kepic, D Halliday - Geophysical Prospecting, 2019 - earthdoc.org
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 …

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 …

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 …

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 …