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The AAPG/Datapages Combined Publications Database

Showing 16,598 Results. Searched 200,293 documents.

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Diffraction separation based on envelop and optimized stacking

Wentao Mu, Weiyi Zhang, Jianlei Zhang, Zhenping Tian

International Meeting for Applied Geoscience and Energy (IMAGE)

... through trial and error. Next, the diffraction weighing coefficient is calculated by subtracting the reflection model trace within a least square...

2024

Prestack inversion for tight sandstone thin reservoirs based on anisotropic rapid reflectivity method

Zhen Yang, Zhenfeng Liu, Junzhou Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...) to VTI media, enabling fast simulation of VTI media. According to Yang et al. (2022), the total reflection coefficient formula for PP waves in VTI media...

2024

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

A. Easton Wren

Petroleum Exploration Society of Australia (PESA)

... and resolution, and is the reason for wavelet processing. Amplitude of the reflected signal relates directly to the reflection coefficient or acoustic impedance...

1986

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

..., giving a reflectivity of -1/3. The minus sign in the reflection coefficient inverts the seismic wavelet. The magnitude of the reflectivity...

1981

Marine Seismic Sources: Part XIII: The Far Field Response of an Air Gun Array

Martin Landrรธ, Lasse Amundsen

GEO ExPro Magazine

... and receiver at depth z. The pressure is effectively zero at the sea surface; the reflection coefficient is R=- 7. It is well known that for plane wave...

2012

ABSTRACT: Geophysical and Geologic Studies at Valu Fa Ridge, Lau Basin, Southwest Pacific Ocean

Janet L. Morton, Tracy L. Vallier

Circum Pacific Council Publications

... a g m a chamber. T h e reflection coefficient indicates a large a c o u s tic impedance contrast between the material a b o v e a n d below...

1986

Reservoirs Characterizing Based on Spectral Difference Anomaly at Lower-Frequency on Multi-Angle Stacking Gathers: Case Studies from China; #41256 (2013)

Xuehua Chen

Search and Discovery.com

... ([email protected]) Abstract The characteristics of seismic reflection on fluid-bearing strata vary in different angle stacking gathers. One of the main...

2013

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

... to the normal incidence reflection coefficient at that interface. This method produces accurate traveltimes and good zero offset amplitudes for geometric...

1992

Application of Seismic Data to Lithology and Hydrocarbon Identification in East China

Qian Shao-Xin, Liu Wen-Lin

Circum Pacific Council Publications

..., amplitude and reflection coefficient for Tertiary sediments in a typical area of East China. is the dim-spot type, in which the velocity of the water sand...

1989

Evaluating the Hydraulic Fracture Through Acoustic Reflection Imaging and Production Logging for Water Diagnostic Beyond Wellbore: A Case Study From Chang 8 Tight Sand in the Ordos Basin, China

Guangsheng Liu, Dajian Li, Gang Zheng, Hongzheng Zhu, Wenhao Cui, Yanyan Chen, Hongzhi Guo, Zheyuan Huang, Dongdong Cheng, Zhaoya Fan, Xiang Li

Unconventional Resources Technology Conference (URTEC)

...Evaluating the Hydraulic Fracture Through Acoustic Reflection Imaging and Production Logging for Water Diagnostic Beyond Wellbore: A Case Study From...

2023

Jointly data and model driven pre-stack inversion of elastic and anisotropy parameters in HTI media

Xin Zhang, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

... the AVAZ reflection coefficient equation with pre-stack wide-azimuth seismic data, well logging data, stratigraphic interpretation data, and initial...

2024

Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field

DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,

Unconventional Resources Technology Conference (URTEC)

... is the receiving factor (i.e., receiving response) of the well to the reflected sound field; RF is the reflection coefficient of the wave at the formation...

2021

Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis

Jaewook Lee, Un Young Lim, David Lumley

Unconventional Resources Technology Conference (URTEC)

... ๐œ‘% ๐‘‰,! ๐‘‰-% ๐ป= ๐‘Žโˆ’ ๐‘‘ cos ๐œƒ% cos ๐œ‘! ๐‘‰,% ๐‘‰-! 7 URTeC 1028 ๐พ = ๐ธ๐น + ๐บ๐ป๐‘% ๐‘…,, is the P-wave reflection coefficient; ๐œƒ! , ๐œƒ% are the reflection...

2020

DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction

A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev

Asociaciรณn Colombiana de Geรณlogos y Geofisicos del Petrรณleo (ACGGP)

... โ€“ reflection coefficient, calculated using reference model; 0 K P โ€“ normalized measure; N โ€“ number of summed images. Thus, for all boundaries...

2006

Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015)

Olivia Collet, Benjamin Roure, Jon Downton

Search and Discovery.com

...) derived a formula for the PP-wave reflection coefficient for weak contrast interfaces separating two weakly but arbitrarily anisotropic media, meaning...

2015

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2020, Second-order approximation of the seismic reflection coefficient in thin interbeds: Energies, 13, 1465, doi: https://doi.org/ 10.3390/en13061465...

2022

An Exact Method for Characterization of Grain Shape

Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... is not a reflection of current or past disinterest in grain-shape as an important diagnostic criterion. General reasons for the value of shape data can...

1970

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