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The AAPG/Datapages Combined Publications Database

Showing 1,098 Results. Searched 200,693 documents.

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Abstract: Migrating Reflections from the Moho Using a Refraction Velocity Model … An Example from the Slave Craton, NWT; #90211 (2015)

Joaquin Aristimuno and Claire Samson

Search and Discovery.com

... traveltimes. Traveltime inversion of the wide-angle reflections and refrac tions recorded during refraction surveys, on the other hand, can provide...

2015

Abstract: Target-Oriented Imaging for Continous Seismic Reservoir Monitoring; #90319 (2018)

Hongwei Liu, Mustafa Al-Ali

Search and Discovery.com

... use the NMO velocity defined at the target horizon to derive the initial operators. The principle of equal-traveltime affirms that the traveltimes...

2018

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

...)where φ is porosity, Cp is a correction factor, Δt is sonic traveltime (μs/ft), Δtfl is fluid transit time (189 μs/ft), and Δtma is the matrix...

2019

High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs

Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser

Unconventional Resources Technology Conference (URTEC)

... the migration events according to the value of specularity angle, in a similar way to offset gathers; diffraction images are produced subsequently using post...

2015

Geology of the Johan Sverdrup field: A giant oil discovery and development project in a mature Norwegian North Sea basin

Signe Ottesen, Brit Selvikvåg, Anthony S. J. Scott, Renata Meneguolo, Alex Cullum, Alejandro Amilibia-Cabeza, Mario Vigorito, Andreas Helsem, and Ole J. Martinsen

AAPG Bulletin

... phases controlling the depositional accommodation through time. Major erosional events and formation of complex tectono-stratigraphic surfaces make...

2022

A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation

C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye

AAPG Special Volumes

... of geostatistical inversion is the need to convert well-log data from depth to seismic traveltime. In addition, geostatistical inversion may be rendered...

2006

Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

... planes, and its elastic properties have already been determined using traveltime analysis. This experimental model represents a HTI layer. We follow...

2014

Subduction in the Remnant Carpathian Flysch Basin

M. Nemčok, L. Pospšil, I. Hrušeck, T. Zsros

AAPG Special Volumes

... of each depth interval have their own characteristic periodicity and different fault-plane solution, traveltime curves, and stress pattern...

2006

Geological controls on petroleum plays and future opportunities in the North Sea Rift Super Basin

John R. Underhill and Nick Richardson

AAPG Bulletin

... of continent-ocean, continent-continent collision, and major transpression (Glennie and Underhill, 1998). Prior to these events, the North Sea area comprised...

2022

The lateral strike-slip domain in gravitational detachment delta systems: A case study of the northwestern margin of the Niger Delta

Amelie M. Leduc, Richard J. Davies, Alexander L. Densmore, Jonathan Imber

AAPG Bulletin

... to be approximately 30 Hz. Data are zero phased and are displayed in two-way traveltime. Combined use of time-structure maps and seismic attributes...

2012

Three-Dimensional Seismic Method: Part 7. Geophysical Methods

Oz Yilmaz

AAPG Special Volumes

... geometries often complicate the process of stacking the data in a common-cell gather. Cable feathering in marine 3-D surveys can result in traveltime...

1992

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... for microseismic event localization. Traveltime based methods require P- and S- wave first arrival picking before further processing. This type of method does...

2015

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... various seismic attributes and inversion techniques to extract geological features. To validate our findings, we cross-referenced the seismic...

2023

Production Logging: Part 9. Production Engineering Methods

James J. Smolen

AAPG Special Volumes

..., usually of an injection well. Such an instrument has either one or two gamma ray detectors spaced below the ejector. By various techniques...

1992

Abstracts: Coulomb Stress Failures in Fracture Networks Resulting from Hydraulic Fracturing: A Tutorial; #90173 (2015)

Kris Vasudevan and David W. Eaton

Search and Discovery.com

..., is influenced by the pore fluid diffusion. Coulomb stress changes due to pore pressure changes in a poroelastic medium lead to microseismic events...

2015

Geology and Petroleum Potential of the Southeast Alaska Continental Margin

T. R. Bruns, P. R. Carlson

Circum Pacific Council Publications

... on the Queen Charlotte Islands. The various basement rocks can extend seaward no far­ ther than the base of the continental slope, because oceanic...

1987

Accelerated Kirchhoff depth migration on CPU-GPU heterogeneous computing systems

Yujin Liu, Hongwei Liu, Yi He, Fuhao Qin, Yue Du

International Meeting for Applied Geoscience and Energy (IMAGE)

... be regarded as two traveltime tables or traveltime volumes. There are many different implementations of Kirchhoff depth migration, but they usually have...

2022

Structural and Tectonic Evolution of the Eastern Cayman Trough (Caribbean Sea) From Seismic Reflection Data

Sylvie Leroy , Bernard Mercier de Lepinay , Alain Mauffret , Manuel Pubellier

AAPG Bulletin

... of collecting samples by subm rsible diving surveys and deep-sea drilling to obtain better dating of the various tectonic events and to constrain...

1996

Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

... typical Permian Basin shallow geology. In this experiment, various methods for near-surface model building are tested, ranging from simplistic...

2019

Characteristics and origin of the ultradeep Ordovician fault-karst reservoirs: An example from the Shunbei-Yuejin area, Tarim Basin

Jian Wang, Xintong Wang, Yingchang Cao, Fang Hao, Yuhan Pang, Lu Yun, Haijun Yang, and Mingfeng Xie

AAPG Bulletin

..., interpretation, and evaluation of fault-karst reservoirs using various seismic attributes (Lu et al., 2017; Lei et al., 2020). However, research...

2024

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... directly on top of the stromatoporoid-coral facies complex. Figure 5. (A) Location of the various data sets acquired in the study area. We scanned...

2022

Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... inappropriate for imaging. Moreover, traveltime tomography of microseismic events needs arrival time picking (manual or automatic) which might...

2020

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