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The AAPG/Datapages Combined Publications Database

Showing 944 Results. Searched 195,354 documents.

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A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... traveltime. In detail, reconstructed angle gathers, porosity, and water saturation well overlay the real values at all visible events, with minor...

2022

Wave equation traveltime Kirchhoff with real data applications

Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

...Wave equation traveltime Kirchhoff with real data applications Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav...

2023

Mozambique Upper Fan: Origin of Depositional Units

L. Droz, D. Mougenot

AAPG Bulletin

... down-stream region, with a north-south channel flanked by thick (1.5 sec two-way traveltime) asymmetric levees, and a migrating upstream region where...

1987

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

...Application of finite difference eikonal solver for traveltime computation in forward modeling and migration Amir Mustaqim Majdi, Seyed Yaser...

2021

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... will lie. These figures (2) show the traveltime errors on CSP gathers views of various offsets of h = 50, 200, and 500. AAPG Search and Discovery Article...

2015

Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China

Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang

AAPG Bulletin

... of the compaction curve from the relationship between acoustic traveltime and depth into that of sonic velocity versus VES to obtain the mean loading curves...

2021

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

... have one shortcoming that can limit their usefulness--the reflection events used to map the seismic sequences and the seismic facies that describe...

1992

Abstract: Local Stretch Zeroing NMO Correction; #90174 (2014)

N. Kazemi and H. R. Siahkoohi

Search and Discovery.com

... of normal move-out (NMO) correction called local stretch zeroing (LSZ) method that avoids NMO stretch. The method eliminates the theoretical curves...

2014

Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)

Draga A. Talinga, Don C. Lawton

Search and Discovery.com

... of the method to include cross-correlation of commonazimuth stacked data for both shallow and deep events. A second method applied was azimuthal traveltime...

2014

Abstract: The Effect of Microseismic Array Configuration on the Determination of Hydraulic Fracture Parameters; #90172 (2014)

Adam Baig, Ted Urbancic, Margaret Seibel

Search and Discovery.com

... to assess the efficiency of the treatment. Often, these microseismic events are recorded with sub-optimally distributed downhole sensor arrays, this has...

2014

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... with high-amplitude events and a characteristic amplitude relative to offset behavior. However, seismic-data-driven analysis for detecting and quantifying...

2009

Method of Spatial Observations of RNP Under the Conditions of the Reef Zone of the Orenburg Cis-Urals

I. A. Mushin

Petroleum Geology: A Digest of Russian Literature

... data is accomplished by a method that provides for the use of time gradients of traveltime curves of reflected waves for various directions (3...

1963

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... in the overburden, full waveform inversion (FWI) was used to generate an updated earth model, exploiting both early arrivals and reflection events. One caveat...

2014

Improve Kirchhoff depth imaging using full-wave-equation traveltimes

Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern

International Meeting for Applied Geoscience and Energy (IMAGE)

... and efficiency in generating Surface-Offset-binned common imaging Gathers (SOGs). However, traditional ray-based traveltime computation becomes less...

2023

Abstract: Computing Gridded Traveltimes from the Random Locations of Three Known Points; #90211 (2015)

John Bancroft and Xiang Du

Search and Discovery.com

... the traveltime at a fourth desired location (for 2D data). There are a num ber of methods that accomplish this task with various geometries for the three known...

2015

Abstract: Advantages and Disadvantages of Array Depth Placement and Longer Toolstring Apertures; #90187 (2014)

N. Verkhovtseva and J. Shaffner

Search and Discovery.com

... (200 trials with a maximum traveltime error of 2ms). For the most inner time residual contour, the errors vary from 50m for events 250m away from...

2014

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... Reflection Surface (CO CRS) Stack method is presented in this paper. This method is based on summing up correlated events in the multi coverage data...

2009

Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

... of a tomographic velocity model, the reprocessing of the reflection seismic and its corresponding depth migration using velocities derived from the traveltime...

2014

Figures

Search and Discovery.com

N/A

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... by nonlinear traveltime tomography that accounts for topography, and resolves lateral and vertical velocity variations. (2) Several different strategies...

2015

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... inversion uses actual pre-stack CMP gathers in the time domain to correlate with the modelled traveltime curves whereas stacking velocity inversion...

2000

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... traveltime curves, whereas stacking velocity inversion conelates the modelled raypath with a hyperbolic traveltime curve implied by the stacking velocity...

1999

Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)

FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN

AAPG Bulletin

... the basin. Of the various thermal properties of rocks, thermal conductivity is perhaps most important in this context because it has a first-order control...

1990

Growth and demise of a Paleocene isolated carbonate platform, northwest Sirte Basin, Libya: Sequence stratigraphic architecture and controlling factors

Muneer Abdalla, Wan Yang, and Salah Shaniba

AAPG Bulletin

... bounded by unconformable sequence boundaries. Those seismic sequences are ∼450–550 m thick in two-way traveltime and have an aerial extension of at least...

2023

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