Results 361 to 370 of about 1,082,940 (421)

Prestack Structurally Constrained Impedance Inversion

, 2018
Classical prestack impedance inversion methods are based on performing a CDP by CDP inversion using Tikhonov type regularization, we refer to it as Lateral Unconstrained Inversion (1D-LUI).
Haitham Hamid, A. Pidlisecky, L. Lines
semanticscholar   +1 more source

Computational Geology 11 – Uniformitarianism and the Inverse Problem

Journal of Geoscience Education, 2000
(2000). Computational Geology 11 – Uniformitarianism and the Inverse Problem. Journal of Geoscience Education: Vol. 48, No. 3, pp. 373-381.
openaire   +3 more sources

Geology and geomorphology of Turkmenistan: A review

, 2019
This article provides a background for scientists interested in a general overview of the geology and geomorphology of Turkmenistan. The basement of Turkmenistan is a complex amalgamation of arc-related terranes developed in the Asiatic and northern ...
Mohammad Reza Ghassemi, E. Garzanti
semanticscholar   +1 more source

Depth-Domain Pre-Stack 4D Seismic Inversion in Complex Geology

81st EAGE Conference and Exhibition 2019, 2019
Present industry 4D workflows normally use the co-processing and imaging of baseline and monitor surveys with the same depth-interval velocity model. Standard practice is to re-align the migrated offset or angle stacks vintages with dynamic 1-D Warping and extract amplitude differences for 4D interpretation.
James Beckwith, E. Bergounioux, C. Agut, C. Gerea, C. Rivera   +4 more
openaire   +2 more sources

Correlation of Time Series: An Inverse Approach with Applications in Geology and Geophysics: ABSTRACT [PDF]

AAPG Bulletin, 1982
A simple mathematical inverse method has been developed to correlate two time series Y1(x1) and Y2(x2), where these two signals are related to each other by a mapping function x1(x2). The mapping function describes differences between the two signals and is parameterized in terms of a sum of simple functions of unknown coefficients, ai.
openaire   +1 more source

Examples of Improved Inversion of Different Airborne Electromagnetic Datasets Via Sharp Regularization

, 2017
Large geophysical datasets are produced routinely during airborne surveys. The Spatially Constrained Inversion (SCI) is capable of inverting these datasets in an efficient and effective way by using a 1D forward modeling and, at the same time, enforcing ...
G. Vignoli, V. Sapia, A. Menghini, A. Viezzoli   +3 more
semanticscholar   +1 more source

A Forward Glimpse Into Inverse Problems Through a Geology Example

PRIMUS, 2012
This paper describes a forward approach to an inverse problem related to detecting the nature of geological substrata which makes use of optimization techniques in a multivariable calculus setting. The true nature of the related inverse problem is highlighted.
openaire   +2 more sources

Geology as the Main Factor in Determining the Technology Required in Seismic Inversion and Interpretation

Proceedings, 2012
В условиях активного развития и применения методик сейсмической инверсии ключом к успешному решению задач прогноза является не столько алгоритм, сколько понимание особенностей геологического строения изучаемых объектов. В рамках работы над одним из производственных проектов мы столкнулись с очень интересным и нестандартным для Западной Сибири ...
D. Emeliyanov, S. Iliin, D. Kutcheryavenko, A. Dubok, M. Romanenko   +4 more
openaire   +2 more sources

Structurally constrained impedance inversion

, 2016
In complex geology, the presence of highly dipping structures can complicate impedance inversion. We have developed a structurally constrained inversion in which a computationally well-behaved objective function is minimized subject to structural ...
Haitham Hamid, A. Pidlisecky
semanticscholar   +1 more source

SEISMIC SPARSE INVERSION METHOD OF IMAGING DATA FOR DETECTING DISCONTINUOUS AND INHOMOGENEOUS GEOLOGIES

Chinese Journal of Geophysics, 2016
AbstractThe small‐scale discontinuous and inhomogeneous geologies, such as tiny faults, cavities and fractures, play an important role in reservoir analysis. However, effectively extracting them from seismic imaging data is a challenging problem, as their seismic responses are much weaker than reflections' from large‐scale structures. On the other hand,
Li Ming, Zhao Jing-Tao, YU Cai-Xia, Peng Suping, MA De-Bo, Zhang Yan   +5 more
openaire   +2 more sources