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The AAPG/Datapages Combined Publications Database

Showing 19,701 Results. Searched 195,488 documents.

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Abstract: Wave Equation Depth Migration with Image Gathers in Offset Domain; #90211 (2015)

Jianhua Pan

Search and Discovery.com

...Abstract: Wave Equation Depth Migration with Image Gathers in Offset Domain; #90211 (2015) Jianhua Pan Datapages/Search and Discovery Article #90211...

2015

Theoretical Aspects of Continental Drift

Harold Jeffreys

AAPG Special Volumes

.... Gaposchkin, E. M., and K. Lambeck, 1971, Earth's gravity field to sixteenth degree and station coordinates from satellite and terrestrial data: Jour. Geophys...

1974

Technical Article: Finding Subtle Traps with Seismic: Interpretative Criteria Clarified

A. Easton Wren

Petroleum Exploration Society of Australia (PESA)

... for natural amplitude decay as a function of transmission, spherical divergence, and others also were introduced. Now waiting in the wings is the spectre...

1986

Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir

Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte

GCAGS Transactions

... and well fluid samples were analyzed and calibrated to well log and AVO responses. P-and S-wave ultrasonic signals were introduced into the core samples...

2002

Flow Interference Between Frac Clusters (Part 2): Field Example From the Midland Basin (Wolfcamp Formation, Spraberry Trend Field) With Implications for Hydraulic Fracture Design

Ruud Weijermars, Arnaud van Harmelen, Lihua Zuo

Unconventional Resources Technology Conference (URTEC)

...°. The small fracs have length L=36.58 m (120 ft), strength Q=2.21x10-4 m3/s (120 bbl/day) and start at y-coordinates [-140.21*1i, 103.63*1i] m ([-460...

2017

Petrophysical Study of UAE Carbonates, #50700 (2012)

Anita Bhagat, Carl Sondergeld

Search and Discovery.com

... equation for cylindrical pores Washburn equation If we assume the pore body and pore throat to be cylindrical then, rth= rb and Where, ρe...

2012

The National Conference on Earth Science, Banff, September 15-19, 1986: "Geology and Reservoir Management": CONFERENCE REPORT

Peter Gretener

CSPG Bulletin

...------------------------ as the well bores are approached due to cylindrical crowding. Near-well permeability is of particular importance for withdrawal of fluid from the producing...

1987

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

..., wave-equation migration is used for evaluation of the proposed method. Introduction In mid-90s, Hart Smith[1,2] introduced elements or shapes which...

Unknown

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

..., wave-equation migration is used for evaluation of the proposed method. Introduction In mid-90s, Hart Smith[1,2] introduced elements or shapes which...

Unknown

Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... approximation for the wave equation, and the famous Courant–Friedrichs–Lewy (CFL) condition – a necessary condition for convergence while solving partial...

2018

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

..., wave conversion, plane and spherical waves, and arbitrary source and receiver locations. For all the models used in this study, the top layer...

2014

Frequency Attenuation: A Fracture Indicator

Ilyas J. Najmuddin

Houston Geological Society Bulletin

... and Rock (1990) gives the equation A(f,x)=G. S(f) .R(f) exp -π( Xf )                                          (λQ) Figure 2 (a-c). Frequency spectra...

2001

Fractal analysis of tight shaly sandstones using nuclear magnetic resonance measurements

Jin Lai, Guiwen Wang, Zhuoying Fan, Zhenglong Zhou, Jing Chen, and Shuchen Wang

AAPG Bulletin

...; Müller-Huber et al., 2016):where a is a constant; a = 2 for cylindrical pores, and a = 3 for spherical pores (Pape and Clauser, 2009; Daigle...

2018

ABSTRACT: Subsalt Imaging: beyond depth migration and model building; #90051 (2006)

Biondo Biondi

Search and Discovery.com

... migration, and in particular of wave-equation migration, had a positive impact on many exploration projects. However, simple migration has difficulties...

Unknown

Abstract: Improved Subsurface Imaging through Reverse Time Migration: A Synthetic Case Study; #90255 (2017)

Pradeep Mahadasu

Search and Discovery.com

.... It is generally referred to as one-way migration solution because of mathematical simplifications in the implementation of the wave equation. In complex...

2017

3D seismic survey design by maximizing the spectral gap

Yijun Zhang, Ziyi Yin, Oscar López, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... that maximizing the spectral gap of the subsampling mask leads to better wavefield reconstruction results. We enrich the current study by proposing a simulation...

2023

Abstract: The Effect of Bedding Plane Orientation Towards P-Wave Velocity of Berea Sandstone at Different Water Saturation Degree (Paper P25)

Hammad Hazim Bin Mohd Azhar, Zuhar Zahir Tuan Harith

Geological Society of Malaysia (GSM)

... that the measured data did not fit the equation. The P wave velocity data measured were way greater than the estimated value which concludes...

2010

Abstracts: Using a 1D FX Predictive Filter for 3D Seismic Data Random Noise Attenuation; #90173 (2015)

Mike Galbraith, Zhengsheng Yao, and Randy Kolesar

Search and Discovery.com

... 3c and Figure 1a. Both FX and FXY come from a linear invariant dynamic model and can be formulated as the same convolution equation except...

2015

Shape and Roundness of Lake Erie Beach Sands

F. J. Pettijohn, A. C. Lundahl

Journal of Sedimentary Research (SEPM)

... abrasion cannot account for the observed trends. Water currents, sorting the sands of the beach in the down-current direction, carry the less spherical...

1943

ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting

Morgan Brown, Joe Higginbotham, Cosmin Macesanu

GCAGS Transactions

...ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting Morgan Brown, Joe Higginbotham, Cosmin Macesanu Wave Equation...

2009

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

...) applications using a circular shot OBN survey. The synthetic seismic data was generated solving the acoustic wave equation by the finite difference...

2023

Cross-Shore Distribution of Sediment Texture Under Breaking Waves Along Low-Wave-Energy Coasts

Ping Wang , Richard A. Davis, Jr. , Nicholas C. Kraus

Journal of Sedimentary Research (SEPM)

...Cross-Shore Distribution of Sediment Texture Under Breaking Waves Along Low-Wave-Energy Coasts Ping Wang , Richard A. Davis, Jr. , Nicholas C. Kraus...

1998

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