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Enhancing low frequency content in marine simultaneous vibroseis acquisition
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 …
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 …
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 …
Review of vibroseis data acquisition and processing for better amplitudes: adjusting the sweep and deconvolving for the time‐derivative of the true groundforce
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 …
The design of optimized broadband vibroseis sweeps
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 …
vibroseis data. Although techniques exist for designing sweeps that can extend the …
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 …
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 …
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
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 …
Seismic attributes for reservoir localization
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 …
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 …
operating a first seismic vibrator and operat ing at least a second seismic vibrator …