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The AAPG/Datapages Combined Publications Database

Showing 20,860 Results. Searched 200,756 documents.

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Abstract: Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... applying a horizon by horizon migration based on a ray tracing method. The resulting velocity distribution is then used in the wave equation...

1985

Abstract: Wavepath Imaging for Passive Data; #91204 (2023)

Yicheng Zhou, Sherif Hanafy

Search and Discovery.com

... method, here the seismic energy is smeared along the whole image volume, which may increase the level of artefacts, and (3) using wave-equation-based...

2023

The Trace Fossil Tisoa Siphonalis in its Type Area„Characteristics and Environmental Significance

Andreas Wetzel, Jean-Philippe Blouet

PALAIOS

...): a ‘‘Vertical U-shaped cylindrical tubes with closely appressed limbs; individual tubes 2 to 3 mm in diameter, lying 1 to 15 mm apart, rarely branched...

2023

Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations

Un Young Lim, Richard Gibson Jr., Nurul Kabir

Unconventional Resources Technology Conference (URTEC)

... content (TOC) in shale increases. Although Rüger (1997) proposed an equation for P-wave reflection coefficients in anisotropic media, it only provides...

2019

Self-Consistent Approximation for Porosity Segmentation

Ritesh Mohan Joshi, Anil Kumar, Dr. Kumar Hemant Singh

Indonesian Petroleum Association

... the basis of Self-Consistent Approximations whose primary purpose is to characterize rock properties depending on how the seismic wave propagates...

2022

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... (PSPI) one way wave equation for gradient calculations. In this work we start with the forward Kirchhoff operator for prediction of shot records from...

2014

Modeling Waves and Circulation in Lake Pontchartrain, Louisiana

Richard P. Signell, Jeffrey H. List

GCAGS Transactions

... currents during storm wind events. The potential for sediment resuspension is being studied with the wave prediction model which simulates local...

1997

Research and application of near surface modeling in dual complex exploration areas

Xinyue Song, Duojun Zhang, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... are known, the solution that satisfies the equation is the transverse wave velocity of the Rayleigh surface wave. Then we can linearize this nonlinear...

2024

Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling

Abdul Haris, Befriko Murdianto, Adriansyah

Indonesian Petroleum Association

... to the scalar wave equation. Additionally, absorbing boundary can also be implemented to reduce the edge effect artifacts. For 2-D scalar wave equation, we can...

2009

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... sections for interpretation work. The basic mathematical tool is the acoustic wave equation which enables us to derive the wave field at any depth...

1985

Fast anisotropic viscoelastic modeling and application in quantitative seismic reservoir characterization

Sirui Tan, Sunwoong Lee, John E Anderson, Haiyang Wang, Olivier Burtz, Partha Routh, Rongrong Lu, Yang Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... viscoelastic wave equation is computationally expensive because of the large number of memory variables. We have developed a new anisotropic...

2022

A nodal discontinuous Galerkin method for wave propagation in coupled fluid-solid media

Ruiqi Li, Yijie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... for wave propagation in coupled fluid-solid media Ruiqi Li* and Yijie Zhang, Xi’an Jiaotong University SUMMARY An accurate solution of the wave equation...

2022

Pebbles from a Pothole: A Study in Shape and Roundness

Dorothy Carroll

Journal of Sedimentary Research (SEPM)

... on the scarcity of spherical pebbles in the natural material available to him. In order to obtain some information about the occurrence of pebbles in potholes...

1951

Abstract: Wormhole Forward Modeling and Seismic Responses; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, Edward S. Krebes, and Joan Embleton

Search and Discovery.com

... plane (vertical plane), the fractures have a shape as shown in Figure 2. Therefore, the elastic wave propagation through different parts of the 3D...

2014

Abstract: Subsalt Seismic Modeling and Illumination Analysis in Red Sea Transition Zone; #90254 (2016)

Ewenet Gashawbeza, Hongwei Liu, Saleh AL-Saleh

Search and Discovery.com

... and flexible and (2) wave equation that is more effective in a complex environment. The earth model used in this study covers an area of approximately 14...

2016

Frontmatter: TOC, Road Logs, Back pocket Maps, West Texas Geological Society Guidebook: Delaware Basin Exploration

Karl W. Klement, Ed H. McGlasson, Kenneth O. Seewald, W. N. McAnulty, David V. LeMone, William S. Strain

West Texas Geological Society

... grainstone Mizzia Limestone with spherical to elongate ovoidal segments of Mizzia (figs. 3 and 4) and elongate cylindrical segments of Macroporella (fig. 5...

1968

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

...   dB = α   X * G   B This sort of equation is ammenable to solution in the time domain for db of bounded duration but better results were obtained...

1980

Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

... zones with improved resolution over conventional seismic. 1. Ostrander, W.J., 1984, Plane-wave reflection co-efficients for gas sands at non-normal...

1990

BIOSTRATIGRAPHY OF TRANSITIONAL DEVONIAN-MISSISSIPPIAN SAPPINGTON FORMATION OF SOUTHWEST MONTANA

R. C. GUTSCHICK, LEE J. SUTTNER, MICHAEL J. SWITEK

Montana Geological Society

... spherical, ellipsoidal, or cylindrical siltstone masses occur within planar bedded strata. Figures 7, 8, and 9 illustrate these structural features...

1962

Lateral Correlation and Interpolation of Logs: Chapter 6

John H. Doveton

AAPG Special Volumes

... equation is: [EQUATION] which, when rearranged, gives: [EQUATION] The resistivity of a shale-free rock is inversely proportional to the mth power...

1994

Abstract: Seismic Behaviour of CO2 Saturated Fontainebleau Sandstone under in Situ Conditions; #90187 (2014)

Mizanul Huq Chowdhury and Douglas R. Schmitt

Search and Discovery.com

...) and S-wave (right) case. Comparison between observation and Gassmann’s model prediction: Gassmann’s equation is used to predict the P- and S-wave...

2014

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