Qualitative and quantitative comparison of the genetic and hybrid genetic algorithm to estimate acoustic impedance from post-stack seismic data of Blackfoot field …

SP Maurya, R Singh, P Mahadasu… - Geophysical Journal …, 2023 - academic.oup.com
In this study, seismic inversion is carried out using a genetic algorithm (GA) as well as a
hybrid genetic algorithm (HGA) approach to optimize the objective function designed for the …

Robust 3D gravity gradient inversion by planting anomalous densities

L Uieda, VCF Barbosa - Geophysics, 2012 - library.seg.org
We have developed a new gravity gradient inversion method for estimating a 3D density-
contrast distribution defined on a grid of rectangular prisms. Our method consists of an …

Reconstruction of geologic bodies in depth associated with a sedimentary basin using gravity and magnetic data

VCF Barbosa, JBC Silva - Geophysical Prospecting, 2011 - earthdoc.org
We present a comprehensive review of the most common gravity and magnetic
interpretation methods to in depth retrieval of the geometry of geologic bodies associated …

[HTML][HTML] 基于Lp范数稀疏优化算法的重力三维反演

李泽林, 姚长利, 郑元满 - 地球物理学报, 2019 - html.rhhz.net
三维密度反演已经成为重力数据定量解释的常规方法, 但由于重力数据本身并没有深度分辨率,
为了减少由此引起的重力反演的非唯一性, 常用的手段是引入额外的先验信息 …

Trans-dimensional gravity and magnetic joint inversion for 3-D earth models

E Ghalenoei, J Dettmer, MY Ali… - Geophysical Journal …, 2022 - academic.oup.com
Studying 3-D subsurface structure based on spatial data is an important application for
geophysical inversions. However, major limitations exist for conventional regularized …

Geophysical inversion for 3D contact surface geometry

CG Galley, PG Lelièvre, CG Farquharson - Geophysics, 2020 - library.seg.org
Geologists' interpretations about the earth typically involve distinct rock units with contacts
between them. Three-dimensional geologic models typically comprise surfaces of …

Discrete-valued gravity inversion using the guided fuzzy c-means clustering technique

E Maag, Y Li - Geophysics, 2018 - library.seg.org
The definition of boundaries, in a recovered model from an inversion, can be improved
through the incorporation of known physical property values of a small number of geologic …

Adaptive learning 3D gravity inversion for salt-body imaging

FJS Silva Dias, VCF Barbosa, JBC Silva - Geophysics, 2011 - library.seg.org
We have developed an iterative scheme for inverting gravity data produced by salt bodies
with density contrasts relative to the sediments varying from positive to negative, crossing, in …

3D magnetic sparse inversion using an interior-point method

Z Li, C Yao, Y Zheng, J Wang, Y Zhang - Geophysics, 2018 - library.seg.org
Rock susceptibility measurements are sometimes taken on outcrop and borehole rocks, and
they provide valuable information for constraining magnetic data inversion. We have …

3D inversion of gravity data using Lp-norm sparse optimization

ZL LI, CL YAO, YM ZHENG - Chinese Journal of Geophysics, 2019 - en.dzkx.org
Three-dimensional inversion for density distribution has become a common tool for
quantitative interpretation of gravity data in recent years. However, as gravity data lacks …