Enhancing low frequency content in marine simultaneous vibroseis acquisition

C Bagaini - US Patent 9,158,019, 2015‏ - Google Patents
BACKGROUND In a variety of environments, seismic Surveys are per formed to gain a better
understanding of Subterranean geo logical formations. In marine environments, for example …

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 …

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 …

The design of optimized broadband vibroseis sweeps

T Dean, J Quigley, S MacDonald… - The Leading …, 2016‏ - pubs.geoscienceworld.org
There is currently much work being done to improve the low-frequency content of land
vibroseis data. Although techniques exist for designing sweeps that can extend the …

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 …

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
(57) ABSTRACT A method for generating seismic energy for Subsurface Sur veying include
operating a first seismic vibrator above an area of the Subsurface to be Surveyed and …

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 …

Seismic attributes for reservoir localization

EH Saenger - US Patent 8,219,320, 2012‏ - Google Patents
US PATENT DOCUMENTS 6,934,219 B2 8, 2005 Burkholder et al. 7,243,029 B2 7/2007
Lichman et al. 2002/0110048 A1 8/2002 Vandenbroucke et al. 2003, OO67843 A1 4/2003 …

Seismic vibrator array and method for using

SRL Tenghamn - US Patent 8,094,514, 2012‏ - Google Patents
(57) ABSTRACT A method for generating seismic energy for Subsurface Sur veying includes
operating a first seismic vibrator and operat ing at least a second seismic vibrator …