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Title: Method for using global optimization to the estimation of surface-consistent residual statics

Patent ·
OSTI ID:873557
 [1];  [2];  [1]
  1. Knoxville, TN
  2. Oak Ridge, TN
+ Show Author Affiliations

An efficient method for generating residual statics corrections to compensate for surface-consistent static time shifts in stacked seismic traces. The method includes a step of framing the residual static corrections as a global optimization problem in a parameter space. The method also includes decoupling the global optimization problem involving all seismic traces into several one-dimensional problems. The method further utilizes a Stochastic Pijavskij Tunneling search to eliminate regions in the parameter space where a global minimum is unlikely to exist so that the global minimum may be quickly discovered. The method finds the residual statics corrections by maximizing the total stack power. The stack power is a measure of seismic energy transferred from energy sources to receivers.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-96OR22464
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
US 6188964
OSTI ID:
873557
Country of Publication:
United States
Language:
English

References (10)

Static corrections—a review, Part III journal March 1993
Generalized TRUST Algorithms for Global Optimization book January 1996
Practical steps toward realizing the potential of Monte Carlo automatic statics journal March 1993
Nonlinear inversion, statistical mechanics, and residual statics estimation journal December 1985
Surface‐consistent residual statics estimation by stack‐power maximization journal December 1985
Automatic estimation of large residual statics corrections journal February 1986
TRUST: A Deterministic Algorithm for Global Optimization journal May 1997
Terminal repeller unconstrained subenergy tunneling (trust) for fast global optimization journal April 1993
Estimation and Correction of Near‐Surface time Anomalies journal August 1974
Residual Statics Analysis as a General Linear Inverse Problem journal October 1976

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Related Subjects

method
global
optimization
estimation
surface-consistent
residual
statics
efficient
generating
corrections
compensate
static
time
shifts
stacked
seismic
traces
step
framing
parameter
space
decoupling
involving
one-dimensional
utilizes
stochastic
pijavskij
tunneling
eliminate
regions
minimum
unlikely
exist
quickly
discovered
maximizing
total
stack
power
measure
energy
transferred
sources
receivers
efficient method
energy sources
energy transfer
energy source
residual statics
residual static
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