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The AAPG/Datapages Combined Publications Database

Showing 20,600 Results. Searched 200,293 documents.

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Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)

Wenyong Pan, Kris Innanen, and Gary Margrave

Search and Discovery.com

..., at the cost of the introduction of crosstalk artifacts. These artifacts can in turn be suppressed with a sufficient number of ray parameters, which...

2015

Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

... schemes. We have incorporated VTI anisotropy rigorously in a ray theory – based waveform inversion for a complete moment tensor and source function...

2015

The Origin of the Earth

Malvin G. Hoffman

Tulsa Geological Society

... the preceding nebular and meteoritic ideas. Jeans and Jeffreys developed the Tidal Theory during the first quarter of the twentieth century. Of all...

1937

The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES

D. P. Seed

Journal of Sedimentary Research (SEPM)

...The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES D. P. Seed 1968 Vol. 38 No. 1. (March), X-ray diffraction studies...

1968

Image - Rays and the Treatment of Inhomogeneity in Migration

L. Hatton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... made towards defining an image-ray correction theory for before-stack time-migration algorithms, but until such time as this becomes available...

1980

X-Ray Diffraction Techniques Applicable to Studies of Diagenesis and Low Rank Metamorphism in Humic Sediments

George M. Griffin

Journal of Sedimentary Research (SEPM)

...) planes give an estimate of the average cylindrical diameters. Rau (1963) has reviewed the theory and assumptions inherent in the X-ray techniques...

1967

Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

...Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014) Scott Leaney and Chris Chapman AAPG Search and Discovery Article #90187...

2014

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

.... Implementation of both classes exists for one, two, and three dimensions; shot gather; common midpoint (CMP) gather; and stacked data simulation. Ray theory...

1992

AAPG Methods in Exploration, No. 16, Chapter 3: Gamma Ray

George Asquith and Daniel Krygowski

AAPG Special Volumes

...AAPG Methods in Exploration, No. 16, Chapter 3: Gamma Ray George Asquith and Daniel Krygowski 2004 31 35 Basic Well Log Analysis (Second Edition...

2004

Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... the theory of the method as well as provide a synthetic examples illustrating results of utilizing this technique. The validity of our technology is also...

2007

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... time through the anomaly. However, this simplified theory makes no attempt to account for the effects of wave front “healing” which will modify...

1982

Integrating advanced azimuthal tomography and FWI to improve complicated carbonate fracture-cavity reservoirs in ShunBei oil fields, Tarim Basin

Lanlan Yan, Jiashun Yao, Hao Zheng, Kai Guo, Yong Zhang, Feiluo Peng, Yan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of underlain structural targets to be difficult and challenging. Compared to commonly used ray-based or Gaussian-beam functionalities, wave theory...

2024

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... Internat. Mtg., Society of Exploration Geophysicists. Bortfeld, R., 1989, Geometrical Ray Theory: Rays and Traveltimes in Seismic Systems (2nd Order...

2009

Improvements on airborne gamma-ray spectrometry inversion

Jessica D. Weihermann, Yaoguo Li, Saulo P. Oliveira, Francisco J. F. Ferreira, Adalene M. Silva

International Meeting for Applied Geoscience and Energy (IMAGE)

... doi: https://doi.org/10.1190/1.1440816. Grasty, R. L., 1979, Gamma-ray spectrometric methods in uranium exploration — theory and operati...

2024

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... of grid points. Although Kirchhoff methods bring diffractions to ray theory, this comes at a computational cost that can be too great if a large dataset...

2013

The Laterolog

R. D. Ford

Tulsa Geological Society

... that of obtaining good results where the mud in the bore hole is either saturated with salt or carries a very high salinity. The theory of electrical logging...

1952

ABSTRACT: QUANTITATIVE EVALUATION OF MINERALS IN COAL DEPOSITS IN THE WITBANK AND HIGHVELD COALFIELDS AND THE POTENTIAL IMPACT ON ACID MINE DRAINAGE

K. L. Pinetown, C. R. Ward, W. A. van der Westhuizen

The Society for Organic Petrology (TSOP)

... applied, namely, high temperature ashing, lowtemperature oxygen-plasma ashing (LTA), X-ray diffraction and X-ray fluorescence. Various differences arose...

2004

Abstract: Converted-wave Time Imaging … Nuts and Bolts; #90187 (2014)

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

... imaging is desirable for joint PP and PS pre-stack inversion of petro-physical parameters. The real data example, which shows strong ray bending...

2014

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the ray path and travel time of the single frequency surface wave component, a tomographic inversion equation can be established to obtain a nearsurface...

2024

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