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The AAPG/Datapages Combined Publications Database

Showing 20,829 Results. Searched 200,357 documents.

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Ascending

Fold Geometry Within Part of Michigan Basin, Michigan

E. H. Timothy Whitten , Walter A. Beckman, Jr.

AAPG Bulletin

... in Figure 4; the equation for this surface has the standard form: [EQUATION] where U and V are orthogonal geographic coordinates and a0, ^hellip, a44...

1969

Solitary Coral Growth Forms and Distribution Patterns as Index of Sediment-Accumulation Rates: ABSTRACT

Julia A. E. B. Hubbard

AAPG Bulletin

... structures in the death assemblage ommonly are aberrant; the cylindrical form is irregularly coiled and constricted; the intertabular space is highly...

1970

Paleoenvironments of Middle Devonian Sandstones of Upper Mississippi Valley: ABSTRACT

J. Stephen Tissue, Ralph L. Langenheim, Jr.

AAPG Bulletin

... and basal conglomerates, suggesting tidal-channeling of banks and shoals. Parallel lamination and cylindrical structures in the Hoing Sandstone indicate high...

1979

Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France

Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner

AAPG Bulletin

... showing the model boundaries in map view. Horizontal coordinates indicate length in meters along the cross sections with arbitrary origin. Vp = P-wave...

2013

Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets

Dries Gisolf, Peter R. Haffinger

International Meeting for Applied Geoscience and Energy (IMAGE)

...Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets Dries Gisolf, Peter R. Haffinger Wave-equation...

2022

Wave-equation based seismic AVO inversion: A pragmatic approach to use the full elastic wave-field for exploration and production

Peter Haffinger, Dries Gisolf, Panos Doulgeris, Hansel Gonzalez

International Meeting for Applied Geoscience and Energy (IMAGE)

...Wave-equation based seismic AVO inversion: A pragmatic approach to use the full elastic wave-field for exploration and production Peter Haffinger...

2022

Ultrasonic wave velocities measurements and seismic anisotropy at Karari gold deposit: Implications for gold exploration

Andre Eduardo C. M. de Souza, Stephanie Vialle, Andrej Bona

Petroleum Exploration Society of Australia (PESA)

...-wave and used the average acoustic impedance of each alteration group (Equation 3). In addition, we assumed five layers and four interfaces...

2019

Integrating Experiments and Well Logs to Predict Caney Shale Static Mechanical Properties During Production with Supervised Machine Learning

Sherif M. Kholy, Hunjoo P. Lee, Mileva Radonjic

Unconventional Resources Technology Conference (URTEC)

.... A triaxial cell was utilized to measure ultrasonic (P-wave and S-wave) velocities for ten downhole Caney shale samples under various effective...

2024

Statistical Methods For Log Analysis of Reservoir Properties: Chapter 1

John H. Doveton

AAPG Special Volumes

... in Archie's water saturation equation: The Log Analyst, v. 27, no. 5, p. 39-44. Choquette, P. W., and J. D. Traut, 1963, Pennsylvanian carbonate reservoirs...

1994

Crack Density Identification From Shear Wave Splitting Parameter Using Model Single Set Aligne Fracture: a Case Study Carbonate Reservoir

Thariq Guntoro, Intan Andriani Putri, Pebrian Tunggal Prakosa, Yulia Putri Wulandari

Indonesian Petroleum Association

...) fluid substitution equation, fluid replacement modeling, and Thomsen (1986) anisotropy parameters were used for shear wave velocity prediction. Vs_fast...

2014

Tank Experiments on the Sorting Of Beach Material During Cusp Formation

N. C. Flemming

Journal of Sedimentary Research (SEPM)

... downwards. There was no significant difference in the size sorting between cusps and bays. The most spherical particles concentrated at the foot...

1964

Sediment Dispersal Pattern Off an Eroding Delta on the West Coast of Taiwan

James T. Liu, Ray T. Hsu, Jeong-Shang Huang, Shenn-Yu Chao

Special Publications of SEPM

...). Equation 1 does not consider the complex effect of wave–current interactions in the boundary layer, which is important (Li and Amos, 1998; Li Hs...

2003

Fracture characterization in shale and tight reservoirs using horizontal well sonic logging data

Peng Liu, Ning Li, Hongliang Wu, Hao Zhao, Mengsheng Zhang, Huajun Fan, Kai Jiang, Kewen Wang, Yongjian Zeng

International Meeting for Applied Geoscience and Energy (IMAGE)

... and evaluate the fractures in the shale and tight reservoirs. In this paper, the response characteristics of Stoneley wave and dipole S-wave to fractures...

2023

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

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

... separately. By extending the work of Ver West and Wilkinson (2003) to the double-square root (DSR) equation for converted-wave travel time proposed by Li...

2014

Seismic Anisotropy Modelling and Fluid Substitution for Carbon Dioxide (Co2) Well Storage Project In Carbonate Reservoir

Pebrian Tunggal Prakosa, Thariq Guntoro, Ahmat Dafit Hasim, Okok Wijaya, Yulia Putri Wulandari

Indonesian Petroleum Association

... between P-wave and S-wave velocity, which can be written: (eq.4) This empirical relationship became known as the mud rock equation or the “ARCO mud...

2014

Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... of seismic wave The wave propagation equation can be expressed abstractly under the assumption that strain and stress satisfy the linear approximation...

2022

Acoustic Velocity Modeling of Unconventional Reservoirs

Alessandra Simone, Lori Hathon, Michael Myers

Unconventional Resources Technology Conference (URTEC)

... constituents, their proportion (volume fraction) and geometry. Each component is incorporated through integration stages. Initially, the differential equation...

2020

Sediment Transport in the Western Interior Seaway of North America: Predictions from a Climate-Ocean-Sediment Model

Rudy Slingerland, Timothy R. Keen

Special Publications of SEPM

... on theshelf and in the wave littoral zone were southerly because the mean annual wind field latitudinal temperature gradient driven and a background...

1999

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

...’s equation, for source and front points [rO rE ] deemed fixed, and front-normal direction n =[nx ny nz ], or equivalently spherical coordinate angles...

Unknown

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

...’s equation, for source and front points [rO rE ] deemed fixed, and front-normal direction n =[nx ny nz ], or equivalently spherical coordinate angles...

Unknown

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Tarantola, 1984). A seismic inverse problem endeavors to approximate the elastic parameters of the subsurface, such as wave propagation velocities...

2024

Channel sand body characterization and hydrocarbon detection based on multicomponent seismic data: A case study of Shaximiao Formation in QL area

Haitao Yang, Yao Zhao, Benjian Zhang, Furong Wu, Le Li, Dong Wang, Jun Xiong

International Meeting for Applied Geoscience and Energy (IMAGE)

... by two-dimensional post stack acoustic wave equation migration (Fig. 3). The forward simulation results show that: 1) when the channel sand body is high...

2022

AVO Analysis for Porosity Determination: Abstract

D. Santoso, S. Alam, L. Hendrajaya, Alfian, S. Munadi, A. Priyono, Purwoko

Indonesian Petroleum Association

... of the Marquardt Technique (1963) to the Shuey Equation (1985). From the results, the velocity of the S wave can be determined and the porosity can...

1995

Abstract: AVO and Poisson's Ratio: An Application to Seismic Data Processing

Michel Denis

Geological Society of Malaysia (GSM)

... the scattering of the energy of an incident wave at an interface; the energy repartition of the different scattered waves has been frrst studied by Zoeppitz...

1991

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