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The AAPG/Datapages Combined Publications Database

Showing 2,335 Results. Searched 200,641 documents.

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Seismic Expression of the Versippi Lodgepole Field, Stark County, North Dakota

Jeffrey C. Sprain

Rocky Mountain Association of Geologists

... that the reflectivity in this interval, in the presence of random and coherent noise, is too low to be definitive in the absence of the other criteria...

1997

U-net based primary alignment

Ricard Durall, Ammar Ghanim, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... fields as labels (𝑦 𝑡 ). The synthetic data generation process involves creating pre-stack reflectivity series using Shuey equations (Shuey, 1985...

2023

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... sampling of the image space; limitations caused by the acquisition geometry and the sub-surface reflectivity. To understand the achievable resolution, we...

2018

Fluid Inclusions in Quartz: Implications for Hydrocarbon Charge, Migration and Reservoir Diagenetic History of the Penyu Basin and Tenggol Arch, Offshore Peninsular Malaysia

Donny Maga, John Jong, Mazlan Madon, Franz L. Kessler

Geological Society of Malaysia (GSM)

... reflectivity (maturity) than commonly expected. However, there remain questions as to how much these coal-derived hydrocarbons may have migrated laterally...

2015

Characterisation of focused gas hydrate accumulations from the Pegasus Basin, New Zealand, using high-resolution and conventional seismic data

Andrew R. Gorman, Patrick T. Fletcher, Dylan Baker, Douglas R.A Fraser, Gareth J. Crutchley, Stuart A. Henrys

Petroleum Exploration Society of Australia (PESA)

... exhibit relative high reflectivity which is inferred to correspond to sediments charged with free gas. A flat spot is observed at the base of the free gas...

2018

High-resolution near-surface land FWI across the Delaware basin fill zone

Terence Krishnasamy, James Sheng, Ronaldo Florendo, James Beck, Antonio Sierra, Sam Murphy, Jay Siebens, Yvonne Iwo-Brown

International Meeting for Applied Geoscience and Energy (IMAGE)

...-resolution (40 Hz) velocity model can be utilized to generate an estimate of reflectivity, the FWI image (Zhang, et al., 2020; He, et al., 2021...

2023

Rock-physics based time-lapse inversion in Delivery4D: synthetic feasibility study for CO2CRC Otway Project

Stanislav Glubokokvskikh, James Gunning, Tess Dance, Roman Pevzner, Dmitry Popik, Christian Proud

Petroleum Exploration Society of Australia (PESA)

... impermeable facies, brine, oil, low-saturation gas and free gas. An effective model reflectivity sequence is computed for particular trace by taking...

2018

New Insights into the Petroleum Potential of the Onshore Otway Basin, Victoria Australia

Lucas McLean-Hodgson, Bruce McConachie

Petroleum Exploration Society of Australia (PESA)

... zones of chaotic, often low amplitude, reflectivity (Connolly et al., 2014). Processing of gas chimneys is a method of evaluation used to highlight...

2016

A Robust Gradient for Long Wavelength FWI Updates

Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... of the seismic reflectivity most obvious on the conventional FWI result (Figure 5b), and in a manner that is free from high wavenumber artifacts...

2016

Velkerri Formation Depositional Model - Beetaloo Sub-basin, Northern Territory, Australia : Biostratigraphy and Organic Enrichment

John Gorter, Kathleen Grey

Petroleum Exploration Society of Australia (PESA)

..., the organic material contained within these rocks has attained a vitrinite reflectivity equivalence of over 2% to 2.5% and is now in the dry gas-generative...

2012

Prestack and poststack seismic amplitude interpretation to support unveiling oil potential of a highly stratigraphic reservoir

S. Mata GarcĂ­a, A. Carrillat, W. Torres, P. Cisneros, V. Lucas, P. Bermeo, P. Gonzalez, J. Rodas, C. Miller, P. Zamora, K. Luzuriaga, J. Garrido

International Meeting for Applied Geoscience and Energy (IMAGE)

... B limestone to C limestone is relatively constant, so interval reflectivity variations are related to lithology composition and its distribution...

2023

Recent advances, road ahead: Acquisition, processing, and interpretation improvements in using land seismic data for QI

Christof Stork, James Corey Morgan

International Meeting for Applied Geoscience and Energy (IMAGE)

... a result of noise and phase distortion in the PSTM data that cannot properly compensated for by the derived wavelet used to invert for reflectivity...

2023

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... ID-LSM result and well-log (Gaussian smoothing with a diameter of 50 meters), respectively. The similarity coefficients of each trace and reflectivity...

2024

The Gorgon Field: An Overview

A. Maftei, E. J. King, M. C. Flores

Petroleum Exploration Society of Australia (PESA)

... PSDM data; key deliverables included near, mid, far and full-incident angle stack reflectivity volumes. These volumes were then used by Chevron during...

2013

Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...), 732-739. Rüger, A., 1998, Variation of P-wave reflectivity with offset and azimuth in anisotropic media: Geophysics, 63, 935–947. Rüger, A., 2002...

2016

Improving fault resolution from multiple angle stacks by latent feature analysis with deep learning

Fan Jiang, Konstantin Osypov

International Meeting for Applied Geoscience and Energy (IMAGE)

..., including interpretation techniques, data availability, and noise in the data. Geoscientists created angle stacks to measure the reflectivity...

2024

A simple modeling experiment for understanding the impact of noise on high-resolution high-density near surface seismic reflection data

Ted Stieglitz, Jim Pfeiffer, Juan Ortega, Doug Laymon

International Meeting for Applied Geoscience and Energy (IMAGE)

... with greater subsurface model uncertainty. We apply our understanding using a 2D field example where subsurface reflectivity and structure are well resolved...

2024

Structure of Albertite from New Brunswick, Canada

Ganjavar Khavari-Khorasani

CSPG Bulletin

... for the squares of absorptive index. These imaginary figures are due to the experimental errors arising from reflectivity measurements, particularly...

1983

Resolving geological complexity with legacy streamer survey, part 2: Application of DM FWI to sub-optimally acquired data

Nebojsa Pralica, Milos Cvetkovic, Seet Li Yong, Daniel Davies, Jon Rogers

International Meeting for Applied Geoscience and Energy (IMAGE)

... see that updates start looking artificial (Figure 6) and mostly mimicking reflectivity due to limited offsets. As these are not contributing...

2024

The Application of Seismic Attributes to Determine Geomorphology of Submarine Canyons: New Insight from Giant Foresets Formation, Taranaki Basin, New Zealand

Joko Wiyono, Henry W. Posamentier, Wahyu Triyoso, Andang Bachtiar

Indonesian Petroleum Association

... reflectivity. The applied inverse modeling algorithm, basically is a deconvolution between seismic record and seismic wave which then produces the AI...

2015

Uncertainty analysis of full-waveform velocity inversion

Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis

International Meeting for Applied Geoscience and Energy (IMAGE)

... across both the velocity model and the corresponding stacked reflectivity image. Employing as a Fourth International Meeting for Applied Geoscie...

2024

De-Risking Drilling Targets for Future Tunu Shallow Zone Development Phase: Application of Litho-Seismic Classification Based on Simultaneous Inversion

Didiek Bhudy Prabowo, Hilfan Khairy, Sung Yuh, Cepi M. Adam, Bayu Giriansyah, Gilles Vallon

Indonesian Petroleum Association

... indicated with red polygon.   Figure 3 - Reflectivity versus Angle (RVA) from TSZ well shows AVO type class III sand. Gas sand are bright from Low angle...

2015

Research and application of diffraction imaging based on the full-azimuth angle migration

Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... point, S and R are the source and receiver points respectively. For the directional gathers, the reflectivity at the imaging point is a function...

2024

Unlock uncertainties of land FWI over complex areas

Bin Yu, Wei Yang, Jun Liu, XueJun Ma, ZongJie Li, Chang Hua Zhang, XueJian Liu, Min Zhou, Mingqiu Luo, Yequan Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... uses image derived or other pseudo density or reflectivity [Ping Wang et al., 2018, Victor Lopez et al., 2023] to create the reflection events...

2024

Miocene Production in Southwest Alabama

Sam L. Pfiester

GCAGS Transactions

... sands appear on seismic data as an amplitude anomaly or "bright spot." The reflectivity coefficient of the interface is .12, which is adequate...

1983

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