Enhancement of organic matter maturation because of radiogenic heat from uranium: A case study from the Ordos Basin in China

Fan Zhang, Yangquan Jiao, Liqun Wu, Hui Rong, Jinhua Li, and Dun Wan

AAPG Bulletin

... without uranium mineralization. Vitrinite reflectance bears a positive relationship with uranium content, and an inverse relationship with distance...

Comparison of gas, Klinkenberg, and liquid permeability of sandstone: Flow regime and pore size

Tobias Orlander, Harald Milsch, and Ida Lykke Fabricius

AAPG Bulletin

... g and the inverse mean pressure, 1/P m (P m = (P upstream – P downstream )/2), and determined the equivalent k K by extrapolating k g...

Telluric Currents and Their Use in Petroleum Exploration

K. Vozoff , R. M. Ellis , M. D. Burke

AAPG Bulletin

... applications. The major problems at the present time are analyzing and interpreting the measurements. Analysis (filtering) is now being done...

Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)

Sina Esmaeili and Gary Frank

Search and Discovery.com

... (t ) is inverse of w(t ) . By substituting the inverse of w(t ) into equation 1, r (t ) becomes r (t )  s(t ) d (t ), (11) where r (t ) is the exact...

Metaheuristic Rock Property Determination Driven by Rock Type Constrained Global N-Dimensional Analysis; #42292 (2018)

Travis Ramsey, Chang Lu, Jie He

Search and Discovery.com

... of a PEM in a reservoir simulation model. While VNPSO and EPF are executed in this work, other statistical optimization and filtering techniques can also...

Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity

Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough

Unconventional Resources Technology Conference (URTEC)

... be varied to obtain a wider range of scattering angles. The Q ranges covered by SANS instruments vary somewhat, but are typically in the range from 1*10-3...

Recognition of a Transgressive Carbonate Sequence Within an Epeiric Sea: Helderberg Group (Lower Devonian) of New York State

Léo F. Laporte

Special Publications of SEPM

... Obviously this series or so from each facies types it would be naivc to suppose that of samples is everywhcre exactly EUROPE N AMERICA Z Q Z 0...

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

.... The velocity of the weathering layer was derived from the inverse slope of the direct arrival event; calculations were made along each line wherever...

Seismic Evidence for Widespread Possible Gas Hydrate Horizons on Continental Slopes and Rises

Thomas H. Shipley, Mark H. Houston, Richard T. Buffler, F. Jeanne Shaub, Kenneth J. McMillen, John W. Ladd, J. Lamar Worzel

AAPG Bulletin

... increasing with time. No gain recovery was applied and no varying gain function, filtering, or other processes except normal movement and stacking were...

Fractured Basement Reservoir Characterization for Fracture Distribution, Porosity and Permeability Prediction; #41106 (2012)

Marie Lefranc, Sherif Farag, Laurent Souche, and Agnes Dubois

Search and Discovery.com

... of borehole (inverse length unit), 2) P10C is the number of fractures (defined as segment groups) by unit length of borehole corrected for the orientation...

Deepwater debrites and linked megaturbidites in confined basins: An example from the Onnuri Basin, East Sea of Korea

Deniz Cukur, In-Kwon Um, Jong-Hwa Chun, Gwang-Soo Lee, Gee-Soo Kong, Samuel Y. Johnson, Senay Horozal

Journal of Sedimentary Research (SEPM)

.... Processing steps include geometry setup and CMP sorting, gain correction, F-K filtering, deconvolution, normal moveout correction (NMO), semblance...

La région de Charlevoix-Kamouraska (Québec): gravité et géologie

Maurice K.- Seguin, J. Rondot, J. Frydecki

Atlantic Geology

... within the Charlevoix zone. Filtering through the moving-average method, using a square window, is called upon in order to establish the regional...

Outlier Analysis: A Systematic Method for Distinguishing Between Sub-surface and Engineering Influence on Well Performance in the Montney

Felix Todea, Ben Stephenson, Alexa Tomlinson, Heidi Pratt, Will Williams, Luis Acosta, Irma Eggenkamp, Brad Speidel

Unconventional Resources Technology Conference (URTEC)

... per meter [T/m]). An ‘inverse productivity index’ can be calculated (1/m in figure 5), which partly normalizes the well-bore for drawdown (Roach, 2012...

Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems

Richard D. Miller, William E. Doll, Carlene Merey, William E. Black

Environmental Geosciences (DEG)

... data relate to the accuracy of pre-stack operations, lack of inverse filtering, and the adverse effects of some statistically based techniques...

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... of the following steps (Figure 5): Figure 5. VSP processing flow chart Improvement of signal-to-noise ratio by stacking and bandpass filtering; band pass...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... for using shorter group intervals; it ensures that F-k filtering is more effective. Source- and receiver-domain filtering is commonly used to attenuate...

Time-Lapse Monitoring of CO2 Sequestration: 1D Visco-elastic Waveform Inversion Applied to Distributed Acoustic Sensing-Acquired Zero offset Vertical Seismic Profile … a Feasibility Study

Yu Chen, Takashi Mizuno, Joël Le Calvez

Carbon Capture, Utilization and Storage (CCUS)

... should not expect any variation in subsurface velocity and Q structure. The variation between each waveform could be considered as variation in shot...

Robust seismic data denoising based on factor group-sparse regularization

Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny

International Meeting for Applied Geoscience and Energy (IMAGE)

...-sparse regularization to solve the robust low-rank approximation problem of Hankelized frequency slice 1 A A,B,E q min q 2,q + α B 2 2 F + λ E 1...

Prestack inversion for tight sandstone thin reservoirs based on anisotropic rapid reflectivity method

Zhen Yang, Zhenfeng Liu, Junzhou Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... the forward simulation uses highly nonlinear formulas and involves more unknowns, exacerbating the illposed nature of the inverse problem. Traditional...

Continental Shelves as the Lowstand Fluvial Longitudinal Profile: Possible Implications for Icehouse vs. Greenhouse Stratigraphic Records

Mike Blum

Search and Discovery.com

... to shelf margin sea-level positions sea- SHELVES AS THE DOWNDIP EXTENSION OF THE FLUVIAL LONG PROFILE? • “Flint Law” (S = -kAy): an inverse power law...

Upper Cretaceous Resedimented Conglomerates at Wheeler Gorge, California: Description and Field Guide

Roger G. Walker

Journal of Sedimentary Research (SEPM)

... a paleocurrent direction for layer 3 for the first time. The conglomerates do not contain as much inverse grading as has previously been suggested...

Abstract: How to Model the Thermal Evolution of Extensional Sedimentary Basins and Passive Margins, by Nicky White, Glyn Edwards, and John Haines; #90066 (2007)

Search and Discovery.com

Perspectives on Stratigraphic Simulation Models: Current Approaches and Future Opportunities

W.Lynn Watney, Eugene C. Rankey, John Harbaugh

Special Publications of SEPM

... approaches to both inverse and forward stratigraphic computer modeling 2 defining trends and promising areas of research and 3 discussing in detail input...

2011 AAPG International Conference and Exhibition, Milan, Italy, 23-26 October 2011., - Abstracts, #90135 (2011).

Search and Discovery.com

Sparse time-frequency representation based on Unet with domain adaptation

Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... as a typical inverse problem. Nevertheless, sparse STFT suffers from the low computational efficiency and the parameter selection. In this paper, we...