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The AAPG/Datapages Combined Publications Database
Showing 1,643 Results. Searched 200,599 documents.
Abstract: X-Ray Tomographic Imaging of Gassy Marine Sediments
Thomas H. Orsi, Aubrey L. Anderson, William R. Bryant, Carl M. Edwards
GCAGS Transactions
...). Attenuation occurs through Compton scattering, which is essentially a billiard-ball collision between a photon and an electron. The collision...
1992
Precise Sediment Density Determination by Gamma-ray Attenuation Alone: NOTES
Robert B. Whitmarsh
Journal of Sedimentary Research (SEPM)
... () in most sediment forming minerals is constant within ±1 percent. Hence a measure of the attenuation by Compton scattering of a collimated beam...
1971
Plastic Spray Thin Section Cover: REPLY
Mounir T. Moussa
Journal of Sedimentary Research (SEPM)
... of extremely minute particles of moisture and/or air during application. The result is a complex light scattering effect that gives a milky appearance...
1978
A Rapid, Inexpensive Determination of the Clay-Size Fraction of Sediments: RESEARCH METHOD PAPER
Michael C. Mackiewicz, David Freeman, Doug Pierson
Journal of Sedimentary Research (SEPM)
... of the instrument to measure concentrations of less than 15 percent of clay-size particles in suspension is good. Light scattering increases as particle...
1987
Saturation Monitoring, Sweep Evaluation and Identification of Bypassed Oil in a Heterogeneous Carbonate Reservoir, Raudhatain Field, North Kuwait, #20074 (2009)
Saikh A. Azim, Mansoor R. Ali, Yahya Hassan, Ashok K. Pathak, Krenek R. Ronald and Hamad T. Al-Ajmi
Search and Discovery.com
... Interaction Time Scale INELASTIC SCATTERING Fast Neutron Inelastic Scattering Nucleus µsec Neutron Capture NEUTRON CAPTURE C, O, Si, Ca, Fe...
2009
Gulf of Mexico Sediment Evaluations for Microbial-Mineral-Hydrate Associations, #40361
Rudy E. Rogers, Jennifer L. Dearman, Guochang Zhang, W.W. Wilson, and C.B. Lutken
Search and Discovery.com
... recovered from an outcrop at MC-118 site from 3000 ft water depth in the Gulf of Mexico was analyzed for particle size by Dynamic Light Scattering...
2009
Geometric mode decomposition method for diffraction separation
Peng Lin, Suping Peng, Yang Xiang, Chuangjian Li, Xiaoqin Cui
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Additionally, owing to back-scattering propagation, severe wavefield interference between reflections and diffractions renders the observation...
2022
Development of Empirical Formation Factors to Estimate Water Quality from Electrical Logs for the Southern Hills Aquifer System of Southeastern Louisiana
Thomas P. Van Biersel
GCAGS Transactions
... resistivity). This would indicate that electrical resistivity may not be an accurate tool to estimate chloride concentrations in these sands. The scattering...
2007
Stepsize sharing in time-lapse full-waveform inversion
Xin Fu, Kristopher A. Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... for prestack depth migration by inverse scattering theory: Geophysical Prospecting, 49, 592–606, doi: https://doi.org/10.1046/j.1365-2478.2001.00279.x...
2022
Massive Barite Deposits on the Northern Gulf of Mexico Continental Slope: Precipitation Processes
Dong Feng, Harry H. Roberts
GCAGS Transactions
... of 5-65° (2θ) with a step size of 0.02° and count time of 5 sec per step. Divergence, scattering, and receiving slits were 0.5°, 0.5°, and 0.15 mm...
2010
THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY
Anthony R. Wagner
North Dakota Geological Society
..., and parameter selection based upon theory and experience have been found to provide data improvement in many cases. The interpretation...
1984
Impact of Heterogeneities on Sorption Capacities of Potential Paleozoic Gas Shales from Western Peninsular Malaysia
Ibad Muhammad Syed, Eswaran Padmanabhan
Unconventional Resources Technology Conference (URTEC)
...-and macroporous structure of coals with rank as analysed with small angle neutron scattering and adsorption experiments. Fuel 83, 547–556. Ross, D.J.K., Bustin...
2021
DL-fused elastic FWI: Application to marine streamer data
Pavel Plotnitskii, Oleg Ovcharenko, Vladimir Kazei, Daniel Peter, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavenumbers with wavelet synchrosqueezed transform (WSST) filter and seismic waves propagation theory. Plotnitskii et al. (2020) mapped high-frequency...
2022
Determination of Formation Organic Carbon Content Using a New Neutron-Induced Gamma Ray Spectroscopy Service that Directly Measures Carbon
Jorge Gonzalez, Richard Lewis, James Hemingway, Jim Grau, Erik Rylander, Iain Pirie
Unconventional Resources Technology Conference (URTEC)
.... The difference between this value and the total carbon provides organic carbon. In theory, this is an excellent way to quantify organic carbon...
2013
Salt Lake Group in Lower Jordan Valley, Utah
Loren W. Slentz
Utah Geological Association
... as evidence to support the theory of a common source for the glass even though the eruptions may have occurred over considerable time. The igneous rocks still...
1955
Acoustic Imaging Of Experimental Subaqueous Sediment-Laden Flows And Their Deposits
Mauricio M. Perillo, Brandon Minton, Jim Buttles, David Mohrig
Journal of Sedimentary Research (SEPM)
... Theory, v. 52, p. 6– 18. Dott, R.H., 1963, Dynamics of subaqueous gravity depositional processes: American Association of Petroleum Geologists...
2015
How Many Holes Does it Take to Fill the Albert Hall? The Importance of Porosity in a Coalbed Methane Reservoir
Tim A. Moore
Indonesian Petroleum Association
... is held within coal, diffusion theory tells us how it moves from one place to another (from one pore to the next – until the methane molecule reaches...
2012
A deep learning based surrogate and uncertainty quantification for fast electromagnetic modeling in complex formations
Yuchen Jin, Chaoxian Qi, Li Yan, Yueqin Huang, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... DNN to solve the 2-D forward scattering problem. Noh et al. (2021) used DNNs to approximate the 2.5-D logging problems. These previous researches...
2022
Elastic FWI for large impedance contrasts
Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a sequence of before stack migrations in Conference on inverse scattering: Theory and application: SIAM, 206–220. Luo, Y., and G. T. Schuster, 1991, Wave...
2022
Quantifying the Impact of Thermal Maturity on Dielectric Permittivity of Pure Kerogen in Organic-Rich Mudrocks
Nima Dabidian, Zoya Heidari, Anqi Yang
Unconventional Resources Technology Conference (URTEC)
.... The dielectric permittivity of the material under test can be derived from the first-order perturbation theory (Anderson 1964). For a TM010 cavity, the real...
2016
Rattlesnake Hills Gas Field, Benton County, Washington
A. A. Hammer
AAPG Bulletin
... scattering particles of vegetable matter, such as twigs and small limbs of trees. Elsewhere in eastern Washington around the edges of basaltic flows...
1934
A factorization-based, tile low-rank parametrization for 3D multidimensional deconvolution
Fuqiang Chen, Matteo Ravasi, David Keyes
International Meeting for Applied Geoscience and Energy (IMAGE)
... the deconvolution of the down- and up-going components of a wavefield recorded at a designated datum. The retrieved Green’s function is relieved of any scattering...
2024
Integrating U-net into full-waveform inversion for salt body building: A challenging case
Sixiu Liu, Abdullah Alali, Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geologists THEORY Training workflow The workflow proposed in Alali and Alkhalifah (2023) is summarized in Fig. 1. This framework includes three...
2024
Mineralogy of Some Pennsylvanian Carbonate Rocks of Illinois
Raymond Siever, Herbert D. Glass
Journal of Sedimentary Research (SEPM)
... (rhombohedral structure cell). The scattering intensities of these lines for calcite and ferroan-dolomite are very nearly equal and thus, for practical...
1957
Rethinking Mineral Scaling: What, Where, and Why is it occurring in the stimulated rock volume
Adam D. Jew, John R. Bargar, Joshua W. Brownlow, Matthew M. Laughland
Unconventional Resources Technology Conference (URTEC)
... mineralogical data or single scattering pathway distances between elements. Results and Discussion: Matrix Mineral Scale Formation Changes in the elemental...
2021