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The AAPG/Datapages Combined Publications Database
Showing 1,431 Results. Searched 195,364 documents.
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)
... synthetic and field data examples where we use the new solution to build high resolution velocity models. THEORY Conventional FWI (Tarantola, 1984) solves...
2016
A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods
Kriyanti Setiyono, Ken H. Matson
Indonesian Petroleum Association
... and subtraction. This method derives from inverse scattering theory (see, e.g., Weglein et al., 1997) and can, in principle, remove all free-surface multiples...
2000
Residual Gas Saturation Estimation using Cased-Hole Pulsed-Neutron Log; A Case Study on MF4 and Y-Channel Reservoir, Peciko Field, Mahakam Delta
Anang Karana, Taufik Anwar, Radya Senoputr, Moch Rushatmanto, Supriady
Indonesian Petroleum Association
... source. As the neutron undergoes many collisions, it loses its energy mainly through inelastic and elastic scattering. At the thermal energy level...
2018
Evaluation of a Laser-Diffraction-Size Analyzer for Use with Natural Sediments: RESEARCH METHOD PAPER
I. N. McCave, R. J. Bryant, H. F. Cook, C. A. Coughanowr
Journal of Sedimentary Research (SEPM)
... scattering: Soc. Photo-optical Instrument. Engrs., v. 489, p. 68-76. BAYVEL, L. P., AND JONES, A. R., 1981, Electromagnetic scattering and its applications...
1986
Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)
Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach
Search and Discovery.com
... therefore fail due to near-surface scattering, anisotropy etc. Further, the estimated orientations derived from such methods may not be close...
2014
Codes and Ciphers: Decoding Natures Disorder: PART I
Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... (Figure 3). Multiple Scattering: Friend or Foe? a Figure 3: (a) Snapshots of the multiply-scattered reference wavefield when placing a source...
2016
Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs
Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev
Unconventional Resources Technology Conference (URTEC)
... reflection imaging is generally not sufficient to resolve these small scale rock properties. Diffracted waves are events that are produced by the scattering...
2013
High Resolution Monitoring and Modeling of Steam Injection in the Athabasca Oil Sands at UTF: A Case Study
Search and Discovery.com
... time delay as anticipated, but this example also shows that steam substitution also presents scattering symptoms; diffraction hyperbolae, complicated...
2013
Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)
Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
...; Bohlen, 2002). The viscoelastic FD modeling approach can handle complex subsurface structures with high intrinsic attenuation or significant scattering...
2014
Pulsed Neutron Technology: Applications for Tight Gas Reservoirs, #42004 (2017).
Gustavo Valenzuela, Gustavo Potas, Nayibe Otalora, Maria Eugenia Garcia, German Serrano, Camilo Mejia, Alejandro Schiuma
Search and Discovery.com
... of hydrogen Pulse Neutron – Basic Theory • What is a neutron generator? – Deuterium is accelerated into the tritium – High-energy neutrons that travel...
Unknown
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... as a sequence of before-stack migrations: Conference on Inverse Scattering: Theory and Application. ˘¸ Pratt, G., C. Shin, and Hicks, 1998, Gauss-Newton...
2015
The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES
D. P. Seed
Journal of Sedimentary Research (SEPM)
... theory of origin is in current favor but with the evidence compiled over the years it seems certain that the origins of glauconite are multiple...
1968
Abstract: An Update on the use of Pulsed Neutron Elemental Spectroscopy Measurements in Heavy Oil and Shale Gas Reservoir Evaluation; #90171 (2013)
Grant D. Ferguson, David Jacobi, Matt Bratovich, and Brian LeCompte
Search and Discovery.com
... company of Baker Atlas introduced the technology to the industry in 1963. The theory of the measurement is well known and in common use in the Industry...
2013
Abstract: An Update on the use of Pulsed Neutron Elemental Spectroscopy Measurements in Heavy Oil and Shale Gas Reservoir Evaluation; #90171 (2013)
Grant D. Ferguson, David Jacobi, Matt Bratovich, and Brian LeCompte
Search and Discovery.com
... company of Baker Atlas introduced the technology to the industry in 1963. The theory of the measurement is well known and in common use in the Industry...
2013
On The Possible Causes of Continental Drift
A. E. Scheidegger
CSPG Bulletin
... proposed earlier by the writer, but revised values, yielding an autocorrelation time of 30 million years, make the theory more plausible...
1958
Rock Physics and Depositional Trends; #41316 (2014)
Marco Perez, David Close, and Greg Purdue
Search and Discovery.com
... and local anomalies at the reservoir scale. Theory The conventional seismic interpretation and amplitude versus offset (AVO) inversion workflow...
2014
Abstract: Rigorous Demonstration of Sub-Wavelength Multiple Scattering Suppression Using Advanced Seismic Data Processing Workflows; #91204 (2023)
Marcin Dukalski, Chris Reinicke, Rob Hegge
Search and Discovery.com
...Abstract: Rigorous Demonstration of Sub-Wavelength Multiple Scattering Suppression Using Advanced Seismic Data Processing Workflows; #91204 (2023...
2023
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)
..., reflector unconformities, injectites, fluid fronts, caves and karst, and in general any small scattering objects, by using Diffraction Imaging...
2015
Identification of Leonardite, a Naturally Oxidized Lignite, by Low-Angle X-ray Scattering Method
Paul L. Broughton
Journal of Sedimentary Research (SEPM)
...Identification of Leonardite, a Naturally Oxidized Lignite, by Low-Angle X-ray Scattering Method Paul L. Broughton 1972 Vol. 42 No. 2. (June...
1972
Water Vapor Condensing in Anisotropic Pores of Shales by Neutron Scattering
Search and Discovery.com
N/A
Solar Irradiance, #90116 (2010)
Kandiah Balachandran
Search and Discovery.com
... and scattering by the column of air above the ground, and several other factors. A comparison of the vast amount of solar radiation we receive daily...
2010
Abstract: 3D imaging and Spectroscopy of Organic Matter Diagenesis in Mudrocks with Linear and Nonlinear Laser Scanning Confocal Microscopy (LSCM); #90283 (2016)
R. C. Burruss, P. Jarboe, P. C. Hackle
Search and Discovery.com
...) or vibrational (Raman scattering) transitions within the molecular structure of OM. Furthermore, with digital focus control, images can be recorded at a series...
2016
Nano- to Microscale Pore Characterization of the Utica Shale
Alexander M. Swift, Julia Sheets, David R. Cole, Lawrence M. Anovitz, Susan A. Welch, Xin Gu, David F. Mildner, Steve J. Chipera
Unconventional Resources Technology Conference (URTEC)
.... Of these, those reported on here are listed above. Methods Thick sections for neutron scattering were prepared from epoxy-impregnated billets cut from Utica...
2014
Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)
Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann
Search and Discovery.com
..., Improved amplitude preservation for prestack depth migration by inverse scattering theory: Geophysical Prospecting, 49, 592-606. (a) (b) (c) (d...
2014
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
...., 1983, The seismic inverse problem as a sequence of before stack migrations: Conference on Inverse Scattering, Theory and Application, Society...
2015