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The AAPG/Datapages Combined Publications Database
Showing 17,714 Results. Searched 200,685 documents.
Q-compensated least-squares reverse time migration by considering velocity and Q perturbations
Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...Q-compensated least-squares reverse time migration by considering velocity and Q perturbations Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li Q...
2022
Seismic Detection of Source Rocks
Ian Davison, Karyna Rodriguez, David Eastwell
GEO ExPro Magazine
....; KARYNA RODRIGUEZ and DAVID EASTWELL, Spectrum Geo Ltd. Even modest amounts of total organic content can significantly change the physical properties...
2018
Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)
Jun-Wei Huang and Bernd Milkereit
Search and Discovery.com
... spectrum function was obtained and then used to simulate locally stationary heterogeneous petrophysical models. Introduction According to Castagna et al...
2013
Abstracts: Noise Examples from Two Microseismic Datasets; #90173 (2015)
Andy St-Onge and David Eaton
Search and Discovery.com
... spectrum of the noise ranges from D.C. to about 800 Hz., at which point it drops to the 1333 Hz. Nyquist frequency. It can be shown that most...
2015
Fullband imaging
Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai
Petroleum Exploration Society of Australia (PESA)
... interfere constructively or destructively with the primary reflections, generating notches in frequency spectrum, thereby limiting the usable bandwidth...
2016
SEISMIC DETECTION OF THE ROSE RUN SANDSTONE IN SOUTH-CENTRAL OHIO
James R. Morris, Belden & Blake Corporation, Titusville, Pennsylvania, in conjunction with Quaker State Corporation and KEP Exploration, Inc.
Ohio Geological Society
... would require our seismic data to have a dominant frequency in our zone of interest equal to the sand velocity divided by 4 times...
1995
Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)
Kristof De Meersman, Chris Ansorger
Search and Discovery.com
... too short data windows which results in over fitting the data and hence the removal of reflected signal. The CNA filter uses apparent velocity...
2015
Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia
B. K. Lim, S. J. Jones
Geological Society of Malaysia (GSM)
... of the geophone—source distance, the velocity and dip of each overlying layer. The velocity of a given layer is a function of its dynamic elastic...
1982
Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion
Margarita Pavlova
Petroleum Exploration Society of Australia (PESA)
... looking at the relationship between lithology/gamma ray response and compressional impedance I observed that massive, blocky sandstones have high velocity...
2019
Loss of Capacity, Not Competence, As the Fundamental Process Governing Deposition from Turbidity Currents
Richard N. Hiscott
Journal of Sedimentary Research (SEPM)
.... (April), A common procedure in paleohydraulic analysis is to use some measure of the size of particles in a deposit to estimate flow velocity...
1994
Seismogenesis and Orogenesis in the Andes: Lessons from the Maule Earthquake
Michael Bevis
Houston Geological Society Bulletin
... as an archetype. He evoked the Marianas and Chilean arcs as end-members of a spectrum of subduction zone types characterized by strongly extensional through...
2011
Abstract: White Noise Suppression in the Time Domain Part II; #90174 (2014)
Patrick Butler
Search and Discovery.com
... the loss of signal and frequency content under high noise conditions (S/N ~0.14). We will demonstrate the use of this algorithm for data clean up, velocity...
2014
Velocity Anisotropy Estimation in the Vertical Plane Using VSP Data
A. Kebaili, D. R. Schmitt
CSPG Special Publications
...Velocity Anisotropy Estimation in the Vertical Plane Using VSP Data A. Kebaili, D. R. Schmitt 1994 256 257...
1994
3-D Velocity Model Building via Iterative One-Pass Depth Migration
I.F. Jones
CSPG Special Publications
...3-D Velocity Model Building via Iterative One-Pass Depth Migration I.F. Jones 1994 54 55...
1994
EXTENDED ABSTRACT: Ambiguities in Travel Time and Velocity Determinations
Joseph B. Molyneux, Douglas R. Schmitt
CSPG Special Publications
...EXTENDED ABSTRACT: Ambiguities in Travel Time and Velocity Determinations Joseph B. Molyneux, Douglas R. Schmitt 1998 161 162...
1998
Investigation of the linear velocity model in the Western-Canadian Basin
Michael A. Slawinski, John M. Parkin
CSPG Special Publications
...Investigation of the linear velocity model in the Western-Canadian Basin Michael A. Slawinski, John M. Parkin 1998 196 197...
1998
EXTENDED ABSTRACT: Recent Developments in Anisotropic Velocity Determinations
Marko Mah, Douglas R. Schmitt
CSPG Special Publications
...EXTENDED ABSTRACT: Recent Developments in Anisotropic Velocity Determinations Marko Mah, Douglas R. Schmitt 1998 21 22...
1998
ABSTRACT: Attenuation and velocity of acoustic waves - indicators of reservoir parameters of the formation
Jadwiga Jarzyna
CSPG Special Publications
...ABSTRACT: Attenuation and velocity of acoustic waves - indicators of reservoir parameters of the formation Jadwiga Jarzyna 1998 359 359...
1998
3-D Seismic Volume Visualization in Color; #42491 (2020)
Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt
Search and Discovery.com
... are rendered on workstation monitors. The Visible Spectrum Light consists of waves that form a small region of the electromagnetic spectrum...
2020
A Seismic Rock Properties Study of a Mesozoic Reservoir in Indonesia
Andi Alamsyah, Lantu, Sabrianto Aswad, Andi Darmawansyah
Indonesian Petroleum Association
... of compressional velocity (Vp) and density (ρ) only. Cross plots between AI and Gradient Impedance (GI), which is a function of Vp, Vs (shear velocity) and , were...
2013
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... applied. The characteristics of this type of source are that it produces a notch-free far-field spectrum below 150 Hz, it increases the low-frequency...
2014
Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)
Gary Jones, Rocky Roden
Search and Discovery.com
... • Sonic Velocity ~ 14,300 ft/sec Oil Window Dry Gas Window Eagle Ford shale prospecting with 3D seismic data within a tectonic and dispositional system...
2012
MAZ Processing for Basement Fracture: A Case Study on 3D Conventional Land Seismic Dataset
Ahmad Zazeli Fuadi, Yatty Surtiati
Indonesian Petroleum Association
... starting from 1st velocity picking. To reduce processing time, we used the refraction static from previous processing. On the regularization step, we split...
2016
Assessing properties of internal multiples for different geologies
Paul Ras, Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
..., we introduce three challenging 1D earth models in Figure 1. Model 1 is relatively simple and derived from a seismic velocity model for a major gas...
2022
Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
... images of small features as well as clear differentiation between different sedimentary packages. The high frequencies enable detailed velocity modeling...
2014