A Comparison of Popular Neural Network Facies Classification Schemes*

Christopher P. Ross, David M. Cole

GCAGS Transactions

...) There are two learning networks commonly used for seismic facies classification: unsupervised and supervised neural networks. While unsupervised...

Problem of Two Tilts and the Stereographic Projection

D. Jerome Fisher

AAPG Bulletin

... sets of beds until the upper ones become horizontal. Rotate the tracing paper until its N point lies above N. Fig. 4. Problem of two tilts solved...

Preliminary Paleomagnetic Investigation of the Winnfield Salt Dome Cap Rock, Louisiana

Wulf A. Gose , J. Richard Kyle , Mark R. Ulrich

GCAGS Transactions

... dissolution and residual anhydrite accumulation. Thus, sulfide laminae provide a chronological record of anhydrite cap rock accretion. Two hundred...

NATURAL GAS, PLAYING CHICKEN ON THE ENERGY TRANSITION ROAD

Henk Kombrink

GEO ExPro Magazine

... emissions”, says Edward Wiarda, the current president of the European Association of Geoscientists and Engineers (EAGE). This sets the scene of how...

Core-Based Structural Fabrics in Mudstones of the WCSB: "PSF" and Cleavage

David Hume, Graham, Davies, Amy Fox, Meridee Fockler

Unconventional Resources Technology Conference (URTEC)

... lineation are present in the same core segment, the two lineations are orthogonal (i.e, 90 o) to each other. PSF occurs most frequently along more...

Magnetic Stratigraphy of Upper Oligocene-Lower Miocene Soda Lake Shale Member of the Vaqueros Formation, Caliente Range, San Luis Obispo County, California

Donald R. Prothero, Jonathan Hoffman

Pacific Section SEPM

...) in the area was only 17 Ma (late early Miocene). These two sections show that the earliest record of the "Vaqueros Stage" varies tremendously in age...

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... stimulation/frac programs w ill induce fractures perpendicular to the well bore and contact the greatest rock volume. In the Bradford area two orthogonal joint...

Estimating Average Fracture Spacing in Subsurface Rock

Wayne Narr

AAPG Bulletin

... and in the subsurface is in their degree of development: At outcrops two or more joint sets are typical, whereas in the subsurface a single fracture...

Integration of Sedimentologic and Hydrogeologic Properties for Improved Transport Simulations

Susanne E. Biteman, David W. Hyndman, M.S. Phanikumar, Gary S. Weissmann

Special Publications of SEPM

... width-to-thickness ratio of 7.7:1 was determined for these sets. It was not possible to measure the coset or bed lengths because the outcrop is two...

Magnetic Stratigraphy of the Lower Miocene (Early Hemingfordian) Sespe-Vaqueros Formations, Orange County, California

Donald R. Prothero, Linda L. Donohoo

Pacific Section SEPM

... using orthogonal demagnetization plots, and summarized with Fisher (1953) statistics. Powdered samples of representative lithologies (about 0.1 g...

Structural Evolution and Main Controlling Factors of Paleogene Hydrocarbon Accumulation in Termit basin, Eastern Niger

Search and Discovery.com

Lineament Patterns on the Moon, Mars and Mercury

G. Fielder, R. J. Fryer, P. J. S. Gash, J. L. Whitford-Stark, L. Wilson

Utah Geological Association

... preferentially in two orthogonal directions; one of these areas, and the corresponding histogram, is shown in Fig. 4. Preliminary mapping of all types of major...

Rock Physics of Fractured Carbonates

Lev Vernik, Alan Mur

International Meeting for Applied Geoscience and Energy (IMAGE)

... tensor of the background rock, 𝑺 𝒊𝒋 = 𝑺 𝒃 + 𝜟𝑺 𝒄 (2) are then introduced and modeled considering beds with two orthogonal vertical joint sets...

The Radkow and Szczeliniec Sandstones: An Example of Giant Foresets on a Tectonically Controlled Shelf of the Bohemian Cretaceous Basin (Central Europe)

Tomasz Jerzykiewicz, Jurand Wojewoda

CSPG Special Publications

... cross-stratified sets. The boundary between these two parts is erosional and easily identified throughout the area. The following three sedimentary...

Primary and Secondary Structural Features in the Eastern Portion of the South Mountain Batholith, Southwestern Nova Scotia: Implications for Regional Stress Orientations During Intrusion

R. J. Horne, M. C. Corey, L. J. Ham, M. A. MacDonald

Atlantic Geology

..., and for the entire area. Stereonets of the above data sets (Figs. 4a-f) indicate that steeply dipping, roughly orthogonal trends (northeast...

High Resolution Magnetic Polarity Stratigraphic Study of the Miocene Monterey Formation of California--Results From Shell Beach Section, Pismo Basin: Paleoclimatic, Paleoceanographic, and Tectonic Implications

S. Khan Omarzai, R.S. Coe, J.A. Barron

Circum Pacific Council Publications

... of nine "normal" and eight "reversed" magnetozones, two of which are defined with an average resolution of ±50,000 years. Constrained by limited...

Natural Fractures in the Upper Devonian Duvernay Formation and Its Outcrop Analog: Implications for Lateral Fluid Propagation and Shear Slip Fault Reactivation During Hydraulic Fracturing

Elena Konstantinovskaya, Qiuguo Li, Alexey Zhmodik, Charles Ibelegbu, Ryan Schultz, Todd Shipman

International Meeting for Applied Geoscience and Energy (IMAGE)

... are colored according to their origin time. The DFN was modeled in the Duvernay Formation using trends from ant tracking attributes. Two sets of vertical...

Preservation of Autogenic Processes and Allogenic Forcings in Set-Scale Aeolian Architecture II: The Scour-and-Fill Dominated Jurassic Page Sandstone, Arizona, U.S.A.

Benjamin T. Cardenas, Gary Kocurek, David Mohrig, Travis Swanson, Cory M. Hughes,, Sarah C. Brothers

Journal of Sedimentary Research (SEPM)

..., truncating two lower sets of cross-strata in the same outcrop-scale package. B) Interpreted panorama with mapped outcrop-scale bounding surfaces, set-bounding...

Tectono-Stratigraphic Evolution of South Atlantic Extensional Rifted Margins: Constraints from Sandbox Analogue Modeling, #30204 (2011)

A. Cappelletti, F. Salvi, M. Meda, C. Cavozzi, B.R. Chowdhury, Y. Nestola, A. Argnani, F. Tsikalas, C. Magistroni, S. Dalla, M. Roveri, N. Bevilacqua

Search and Discovery.com

... extension at a velocity of 1 to 3 cm/hour; this wall is attached to two moving sidewalls that help pulling the sand/silicone layer-cake. Two end-member sets...

Mechanism and continuity of gypsum smears in the East Qiulitage anticline, Kuqa foreland basin, China

Tong Wu, Xiaofei Fu, Haixue Wang, Mingxu Lu, Lingdong Meng, and Lei Gong

AAPG Bulletin

... smeared along two major fault zones, where a few fissures developed and help accommodate the strain to some extent. (C) Field sketch showing...

Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene Pattiway Formation, Caliente Range, San Luis Obispo County, California

Donald R. Prothero, Robert B. Vacca

Pacific Section SEPM

... of Opdyke et al. (1977), which are statistically clustered; circles with diagonal pattern are Class II sites, which had only two samples, so no statistics...

Facies architecture and time stratigraphic relationships of a confined trunk-tributary valley fill and unconfined fluvial system in the backwater of the Turonian Ferron-Notom Delta, Utah, U.S.A.

David Kynaston, Janok P. Bhattacharya, Brad S. Singer, Brian R. Jicha

Journal of Sedimentary Research (SEPM)

... and timing of 32 fluvial aggradation cycles (FACs) and 9 fluvial-aggradation cycle sets (FAC sets) in this sequence. The new dates show that the entire...

Paleomagnetism of the Avalonian Finn Hill sequence of Eastern Newfoundland, Canada

M. K. Seguin

Atlantic Geology

...' S.DOWN ii 2 0 ° C Fig. 5 - Representative orthogonal thermal demagnetization diagrams (Zijderveld 1967) of successive magnetization vectors for two...

Spatial Variations in Magnetic Properties and Paleomagnetic Directions in the Duperow Formation, Williston Basin

Maria Cioppa

Saskatchewan Geological Society

... plot consists of two separate plots that allow visualization of the magnetization vector in three dimensions. Solid circles represent projections...

A Machine Learning Approach to Basin Scale Inventory Forecasting and Development Planning that Accounts for Complex Well Interactions

Charles Connell, Kyle LaMotta, Clark Munger, Joe Wicker

Unconventional Resources Technology Conference (URTEC)

... inventory locations (the diamond is the selected well, the circles are its siblings) alongside two existing parent wells. As can be seen, the infill wells...