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The AAPG/Datapages Combined Publications Database

Showing 20,854 Results. Searched 200,673 documents.

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Ascending

Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... obtained from the propagation matrix and eigenvector matrix: (1) Q=D-1 D2 E2 D-1 D3 1 2 QUU QUD (2) Q z1 ,z2 = QDU QDD Q in Equation 1 is the wave...

2023

Stepwise Regression in the Earth Sciences: A Coastal Processes Example

James H. Balsillie, William F. Tanner

Environmental Geosciences (DEG)

... included bed slope, wave steepness considerations, the surf similarity parameter, and other parameters in endeavors to “refine” predictive power...

1999

Impact of Shear Velocity Estimation on Wellbore Stability, #42351 (2019).

Charles Otoghile, Chima Cyril Udeze

Search and Discovery.com

... analyzed using Greenberg and Castagna and Mudrock line equations. The aim is to determine how reliable the Greenberg and Castagna equation...

2019

Viscoelastic anisotropic seismic wave modeling using recursive convolution method and curvilinear collocated finite difference method for different boundaries

Chao Jin, Bing Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., UAE Summary We proposed a generalized viscoelastic anisotropic wave equation based on the General Maxwell Body, which can accommodate various medium...

2023

Chapter 9: New Albany Shale, Illinois Basin, USA—Devonian Carbonaceous Mudstone Accumulation in an Epicratonic Sea: Stratigraphic Insights from Outcrop and Subsurface Data

O. R. Lazar, J. Schieber

AAPG Special Volumes

...–236. Wilson, R. D., and J. Schieber, 2017, Association between wave- and current-aided hyperpycnites and flooding surfaces in shelfal mudstones...

2022

Oscillatory Ripple Marks and the Evaluation of Ancient Wave Conditions and Environments

Paul D. Komar

Journal of Sedimentary Research (SEPM)

... and ripples produced. For a given d0, we see from equation (2) that this places an upper limit on the possible range of the wave period T. This limit...

1974

A Comprehensive Methodology of Evaluation of the Fracability of a Shale Gas Play

Kun Su, Atef Onaisi, Adeline Garnier

Unconventional Resources Technology Conference (URTEC)

.... The indenter might be either flat or spherical ended. With flat indenter, the force (R) at the inflexion point of force-displacement curve defines...

2014

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... to the linearized approximations of PP and PS is first order equation of Taylor series, so equation 4 can be generalized to: b b y = a pp x pp + c pp (PP wave...

2013

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... to the linearized approximations of PP and PS is first order equation of Taylor series, so equation 4 can be generalized to: b b y = a pp x pp + c pp (PP wave...

2013

Estimation of Gas Reservoir Boundary by AVO Analysis

Alfian D. Santoso, L. Hendrajaya, F. Makhruf, Purwoko, S. Ardisasmita

Southeast Asia Petroleum Exploration Society (SEAPEX)

... equation in order to clarify the relationship between reflection coefficient the incident angle of P wave. The equation is written as follows (Verm...

1996

ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS

E. J. Assiter

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... to as many control points as desired. The computational technique is a form of relaxation method which computes the corrected coordinates for each shot...

1962

Vz denoise and P/Z matching in 3D curvelet domain

Yong Ren, Chenhao Yang, Tim Seher, Matt Hawke, Eddie Cho

International Meeting for Applied Geoscience and Energy (IMAGE)

... compromised in OBN data since the vertical geophone can be severely contaminated with shear wave noise (Paffenholz et al., 2006a, 2006b). Without proper Vz...

2022

3D anisotropic seismic simulation for fracture prediction in Sichuans Wufeng shale gas reservoirs

Xiang Li, Ziduo Hu, Chunhui Xie, Yancan Tian, Wei Liu, Xinyu Fang, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to simplify the quasi-P (qP) wave equation from the elastic wave equation in Horizontal Transverse Isotropy (HTI) media, thereby enabling more accurate...

2024

ABSTRACT: TECHNIQUE OF FORECASTING COAL GAS ENRICHING SECTION

Shuangan Yang, Shunian Ning, Huixing Zhang

The Society for Organic Petrology (TSOP)

... wave equation in two-phase media based on Biot theory was studied in the article. The solve of equation shows that there are two kinds of primary...

2006

Treatment Order is the Cheapest and Easiest Change to Make Better Wells

Jonathan P. McKenna

Unconventional Resources Technology Conference (URTEC)

... monitoring is a proven technology for observing and mapping reservoir response to hydraulic fracture stimulations. The event radiation pattern of the P-wave...

2023

A finite-element method to compute the seismic response in non-isothermal poroelastic media

Juan E. Santos, Gabriela B. Savioli, Jos M. Carcione, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

... based on the non-isothermal wave equation, which includes the temperature field other than those of stress and deformation. The model, which combines...

2022

An Experimental Investigation of the Anisotropic Dynamic and Static Properties of Eagle Ford Shales

Yang Wang, De-Hua Han, Luanxiao Zhao, Abhijit Mitra, Samir Aldin

Unconventional Resources Technology Conference (URTEC)

... and Zoback, 2013; Ong et al., 2016). The hidden micro-mechanisms behind the processes are rarely uncovered. In this paper, two adjacent cylindrical plugs...

2019

A Fast and Robust Method for Estimating Inter-Well Interference in Shale and Tight Reservoirs

Esmail Eltahan, Ali Moinfar, Zhenzhen Wang, Matthieu Rousset, Haishan Luo, Pierre Muron, Xianhuan Wen

Unconventional Resources Technology Conference (URTEC)

... to solve the Eikonal equation efficiently to track the propagation of pressure fronts and compute DToF (Fujita 2014). The calculated DToF can be utilized...

2024

On the connection between WRI and FWI: Analysis of the nonlinear term in the Hessian matrix

Ali Gholami, Hossein S. Aghamiry, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... reconstruction inversion (WRI) (van Leeuwen and Herrmann, 2013) increases the robustness by relaxing the waveequation constraint. This wave-equation...

2022

The initiation of the Mesoproterozoic Bylot basins (Nunavut, Arctic Canada) as recorded in the Nyeboe Formation, Fury and Hecla Group

Mollie Patzke, J. Wilder Greenman, Galen P. Halverson, Alessandro Ielpi

Journal of Sedimentary Research (SEPM)

..., P.M., Fischer, W., and Goodge, J.W., 2002, Wave-modified turbidites: combined-flow shoreline and shelf deposits, Cambrian, Antarctica: Journal...

2021

Improving seismic interferometry for traffic noise by wavefield decomposition and deconvolution

Weiping Cao, Xuri Huang, Yezheng Hu, Yungui Xu, Jing Tang, Hai Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

...) where 𝑘 , (ω) represents the average surface wave wavenumber for the media between x1 (𝑥 , 0) and x2 (𝑥 , 0) . With equation 9, equation 3 can...

2022

Does Local Resuspension Maintain the Benthic Nepheloid Layer in Southeastern Lake Michigan?

Nathan Hawley , Barry M. Lesht

Journal of Sedimentary Research (SEPM)

.... 190-200. TRANSPORT CANADA, 1991, Wind and wave climate atlas II: Ottawa, Ontario, The Great Lakes Transportation Development Centre, Policy...

1995

Armoured mud balls revisited

Lawrence H. Tanner

Atlantic Geology

..., on the north shore o f the Minas Basin. Shapes vary from nearly spherical to platy to elongate, with elongate predominant. The mud balls form from the action...

1996

Horizontal well S-wave imaging method and application

Hongliang Wu, Peng Liu, Ning Li, Yi Huang, Hao Zhang, Wenhao Zhang, Han Tian, Yusheng Li, Zhou Feng, Yongjian Zeng

International Meeting for Applied Geoscience and Energy (IMAGE)

...Horizontal well S-wave imaging method and application Hongliang Wu, Peng Liu, Ning Li, Yi Huang, Hao Zhang, Wenhao Zhang, Han Tian, Yusheng Li, Zhou...

2023

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

... pressure prediction methods use P-wave velocities. While it is common to collect good quality shear wave data in deep-water assets such as ocean...

2023

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