Abstract: Seismic Attributes for Fracture Analysis: An Onshore Case Study in the Arabian Peninsula; #90319 (2018)

Mohammed A. Zagzoog

Search and Discovery.com

... as Amplitude Variation of Offset and Azimuth (AVOA) ratio method in the Tau-p domain has been deployed. The method removes the effect of the anisotropic...

Geophysical Techniques in the Study of Hydrocarbon-Contaminated Soil

Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin

Geological Society of Malaysia (GSM)

... apparent resistivity values ranging from 200 to 10000 Ωm associated with oil contaminated layer. The presence of this layer was also detected in the 2D...

Predictive Isopach Mapping of Gas Sands from Seismic Impedance: Modeled and Empirical Cases from Ship Shoal Block 134 Field

Robert D. Woock , Alan R. Kin

AAPG Bulletin

... efficient exploration and development programs. Standard seismic mapping techniques yield time-structure maps that may be misleading. The additive effect...

Numerical Modeling of Adsorption and Roughness Effects on Gas Transport in Shale Using the Lattice Boltzmann Method; #42070 (2017)

Yan Zeng, Zhengfu Ning, Yunan Li

Search and Discovery.com

... significant impact on the apparent permeability of shale gas flow. However, studies on the effect of the roughness surface and adsorbed layer...

Environmental Aspects of Clay Minerals

W. D. Keller

Journal of Sedimentary Research (SEPM)

... of non-layer silicates. The geochemical environments in which these geneses occurred are taken to be described or defined by stability-diagram models...

Explainable AI: Can neural networks recognize first arrivals after wave separation?

Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... process by examining its middle layers. Our method, using back-propagation, generates saliency maps that show each DNN layer captures specific seismic...

Predicting Reservoir Quality Using Linear Regression Models and Neural Networks

K.M. Love, C. Strohmenger, A. Woronow, K. Rockenbauch

AAPG Special Volumes

... with new data. The program was run on a 486-33 PC, and the neural network used one hidden layer, eight nodes, and a sigmoidal logistic function (Haykin...

Marine Seismic Investigations, Southern Brazil Margin

R. Kowsmann , R. Leyden , O. Francisconi

AAPG Bulletin

... a layer with velocity of 5.65 km/sec. This velocity falls within the values published for oceanic Layer 2 velocities (Raitt, 1963). A velocity of 6.60 km...

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... angle is 4.3°, which the offset is 3,300m, so the primary wave cannot transmit to this layer. When there is no near surface effect, the critical angle...

Numerical Investigation of Post-Production Gas Flow Mechanisms in Coal Seams

Mohammad Sedaghat, Philip Hayes, Andrew Garnett

Unconventional Resources Technology Conference (URTEC)

..., the topmost layer produces up to three orders of magnitude more gas compared to the deeper layers. As the ratio of vertical to horizontal permeability...

The Sedimentary Regime Beneath the Deep Western Boundary Current Inflow to the Southwest Pacific Ocean

Lionel Carter , I. N. McCave

Journal of Sedimentary Research (SEPM)

..., S., GORDON, A.L., EWING, M., THORNDIKE, E.W., AND BRUCHHAUSEN, P., 1972, The nepheloid layer and observed bottom currents in the Indian-Pacific...

Origin of Chlorite Coating and Its Effect on Reservoir Quality of the Lower Tuscaloosa Sandstones at Cranfield Field, Mississippi, USA

Search and Discovery.com

The Influencing Factors on the Polarizing Angle of Array Laterolog Curves

Search and Discovery.com

Mass Balance and Thrusting in Detachment Folds

John Suppe

AAPG Special Volumes

... Jura in which he interpreted the Jura box folds to be regionally detached from the basement along a weak layer of Triassic evaporites. Most theoretical...

Structure Beneath Continental Shelf, Northeastern Gulf of Mexico

John W. Antoine , James L. Harding

AAPG Bulletin

... and Harding, 1963). This layer is either non-existent in the eastern section, or its identification is impossible due to a masking effect...

Structural Restoration of Seismic and Geologic Sections in Extensional Regimes (1)

ALAN G. NUNNS

AAPG Bulletin

... of these characteristics, the algorithm can be implemented as a simple and rapid process in an interactive seismic interpretation (Appendix). Hidden Assumptions The first...

Machine learning classification of Austin Chalk chemofacies from high-resolution x-ray fluorescence core characterization

Toti E. Larson, Robert G. Loucks, J. Evan Sivil, Kelly E. Hattori, and Christopher K. Zahm

AAPG Bulletin

... consisting of an input layer with 30 nodes (pXRF element concentrations), three hidden layers with 10 neurons each, and a multiclass output layer...

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect. Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón Depth...

Microtopography, Runoff Processes, Sediment Transport, and Their Implications for Land Use Planning in the Central Texas Hill Country

William M. Marsh , Nina L. Marsh

GCAGS Transactions

.... The transported layer is compositionally mixed with 50-70 percent stones, many of which are large blocks, 20 to 50 cm in diameter, derived from...

Clay Mineral Composition of Bottom Sediments: Western Great South Bay and South Oyster Bay, Long Island; New York

Neal R. O’Brien, Syed A. Ali

Atlantic Geology

... is linked on the east to Moriches Bay via Narrow Bay channel. The water exchange through Narrow Bay channel has an important effect on the hydrography...

ABSTRACT: The Effect of Relative Sea Level Change on the Development of Phylloid Algal Bioherms, Laborcita Formation (Lower Permian), Sacramento Mountains, New Mexico, by Ian T. Gordon; #91019 (1996)

Search and Discovery.com

ABSTRACT: Modeling Seismic Signature of Small Faults from Outcrop Analogues; #90013 (2003)

JUAN FLOREZ, GARY MAVKO

Search and Discovery.com

...); and a method to evaluate the effect of stress and fracture orientation on crack density distribution. Roughness of fracture surfaces impedes immediate...

Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity Outcrop-based Models; #91204 (2023)

Ahmad Ramdani, Ilya Silvestrov, Yazki Ibrahim, Andrey Bakulin

Search and Discovery.com

...Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity...

Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces

Shastri L. Nimmagadda, Andrew Ochan

Petroleum Exploration Society of Australia (PESA)

... and detectability effects. In frequency-domain sounding, amplitude response curves of layer-sequences show the effect of layer conductivity, layer...

Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin

Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin

International Meeting for Applied Geoscience and Energy (IMAGE)

... Summary In deep and ultra-deep layer processing in Central S Basin, due to the development of deep internal multiples, most of the seismic synthetic...