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The AAPG/Datapages Combined Publications Database

Showing 3,535 Results. Searched 200,619 documents.

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Probable Fault Thinning of Devonian Brallier Formation Near Bluefield Virginia/West Virginia Suggested by Outcrop to Subsurface Correlation

Jeremy D. Middleton, Jonathan K. Filer, John M. Dennison

Appalachian Geological Society

... hypothesis, attenuation because of drag beneath the St Clair thrust, may accou for a fraction of general thinning throughout the section. It seems unlikely...

1996

A Compensated Spectral Natural Gamma Ray* Logging System

C. Kessler, R. Washa, G. S. Yarbro

Indonesian Petroleum Association

... Natural Gamma Logging System was recently introduced which makes compensations to the elemental concentrations for attenuation due to borehole effects...

1984

Work Processes to Mitigate Interpretation Pitfalls in Areas of Severe Seismic Multiples

Carl E. Helsing, Jesse Shaw

Indonesian Petroleum Association

... information from the data. Traditional multiple attenuation methods such as Radon and SRME can usually remove the typical surface related multiples...

2012

Broadband Marine Seismic, Does Acquisition Make a Difference?

Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng

Indonesian Petroleum Association

... of the source, near surface effects (free surface ghosts in the marine situation), the overall earth attenuation, and the level of additive environmental...

2013

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

...), and the earth properties at the reflector depth and the overburden (velocity, attenuation). Some of these conditions can be mitigated during acquisition...

2018

Seismic velocity … A strong identifier of gas prospects

Martin Essenfeld, Rafael Sandrea

GEO ExPro Magazine

.... For those systems with a higher porosity, filled with liquids (oil and water), the impact of the attenuation caused by the liquid part of the rock-pore...

2023

Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand

Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim

Petroleum Exploration Society of Australia (PESA)

... widely across the survey. The absorption effects of the shallow gas clouds result in phase distortion and amplitude attenuation beneath the gas...

2019

Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia

Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott

Indonesian Petroleum Association

... is applied to recover the attenuation of seismic wave that propagated from the source through the subsurface and reflected to the receivers. Deconvolution...

2015

X-ray computerised tomography for fracture and facies characterisation and slab orientation in cores stored within aluminium tubes

Lionel Esteban, Ishtar Barranco, Joel Sarout

Petroleum Exploration Society of Australia (PESA)

... or 3D linear X-ray attenuation pixel matrix, where the attenuation is a function of the density and atomic number of the material being analysed...

2019

Deep water OBN multiple prediction from local reflectivity in the Stolt domain

Cesar Ricardez

International Meeting for Applied Geoscience and Energy (IMAGE)

... of multiple attenuation techniques. Many techniques exist for mitigating multiples in OBN surveys. Among these methods are convolutional techniques...

2024

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

.... • Significant attenuation of seismic energy in the basaltic sequences due to its complex internal structure generally causing weak sub-basalt signal...

2020

Characterizing the Seismic Response of Naturally Fractured Basement Reservoir in Sumatra Area: Towards an Efficient Seismic Exploration Strategy

Pongga Wardaya, Vida Irine Rossa, Erlangga Septama, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... of fracture in the media of propagation introduces complexities that cause diffraction and attenuation. In literature, extensive studies have been carried out...

2021

Seismic Anisotropic Fracture Characterization using Azimuthal Amplitude versus Angle (AVAZ) Combined with Azimuthal Frequency versus Angle (FVAZ)

Salah El Din R Mahmoud, Hassan Al-Marzooqi, Maryam Alqaydi, Amna Alharthi, Muhammad Z. Baig, Abdulla A. Al-Hashmi

Unconventional Resources Technology Conference (URTEC)

... decreases and frequency attenuation gradient decreases with offset within fractured reservoirs. By comparing figures 3A and 3B, notice the weaker...

2022

Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring

Leah J. Hogarth, Conrad Kolb, Joël Le Calvez

GCAGS Transactions

... Kolb, Joël Le Calvez 2016 763 767 Vol. 66 (2016) Carrillo, P., B. Bryans, and R. Turpening, 2007, Attenuation coefficient tomogram and Q distribution...

2016

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

..., enhanced signal to noise ratio are possible through better noise and multiple attenuation and improved imaging techniques – these combine to provide higher...

2012

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... can cause apparent attenuation. c) Mie scattering; where the size of the heterogeneities are comparable to the wavelength. d) Small angle scattering...

2013

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... 427. The data has been LMO corrected using the P-wave first break pick times. Some mild noise attenuation was also applied as well as a 100 ms bulk...

2013

Gabor Deconvolution: Surface-Consistent and Iterative

Search and Discovery.com

... as possible by estimating and removing the effects of filtering and attenuation in the earth and seismic recording system. The Gabor deconvolution method...

2013

Handling Seismic Anomalies on Multiple Targets

Search and Discovery.com

... be a relatively stronger boost or a significant attenuation depending on whether the signatures are consistent or mixed. The approach is illustrated...

2013

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... is an example of a model-based coherent noise removal method, it is important to stress that this idea is also applicable to random noise attenuation...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... can cause apparent attenuation. c) Mie scattering; where the size of the heterogeneities are comparable to the wavelength. d) Small angle scattering...

2013

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... 427. The data has been LMO corrected using the P-wave first break pick times. Some mild noise attenuation was also applied as well as a 100 ms bulk...

2013

Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)

Arnim B. Haase

Search and Discovery.com

... of stratigraphic attenuation effects we took note of a recent paper by Sun et al. (2009) which describes the estimation of velocity dispersion from uncorrelated...

2014

Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)

G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips

Search and Discovery.com

... resonance frequency. As shown in Figure 6, this model predicts strong attenuation of low frequencies for both 4.5 Hz and 10 Hz geophones with the former...

2014

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