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The AAPG/Datapages Combined Publications Database

Showing 41,303 Results. Searched 191,995 documents.

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Structural analysis of the Casper Mountain fault zone and surrounding area, Wyoming: Implications for Laramide kinematics and structural inheritance across the Wyoming Province

Jeffrey W. Bader

Rocky Mountain Association of Geologists

..., 2021a). Figure 1. Google Earth map showing study area (red dashed line) and proposed deformation corridor. Arrows indicate direction of relative...


The Application of Full Azimuth 3D Seismic Fracture Detection Technology in the Prediction of Favorable Reservoirs within the Shengbei 5 Well Area Tight Sandstone Region; #41226 (2013)

Xiang Guo, Jianbin Ran, Xiaowei Yu, Zhengtao Hu, Zhang Yuan, Zhang Jinxue, and Fulei Li

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... and ellipse fitting. Figure 6. Simulation result of structural stress field in Shengbei area. (Left) Rose diagram of strain direction in West-1...


ABSTRACT: Vitrinite Reflectance Beyond Rmax and Rm

Ward E. Kilby

The Society for Organic Petrology (TSOP)

.... VICTORIA, B.C. V8V 1x4 Vitrinite reflectance measurement values are dependent upon the orientation of the section being examined relative to the three...


Advanced Caliper Processing for Early Detection of Casing Problems

Barry Nicholson

Indonesian Petroleum Association

... Figure 3 shows the unknown ellipse parameters: Figure 3. General arrangement of system The lengths of the principle axes, a, b The offset...


Mid Wilcox Channel: Deep Exploration Potential

R. S. Vormelker

Bulletin of South Texas Geological Society

..., where B = area of base, and H = height of cone. Now substituting the area of an ellipse for the area of a circle in equation (1) gives...


Post-Stack Multi-Azimuth Stratigraphic Inversion Applied to Unconventional Reservoir Characterization: A Case Study in the Fort Worth Basin; #41120 (2013)

Mathilde Adelinet, Vincent Clochard, and Patrice Ricarte

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... Shale is generally divided into two units, the Upper and the Lower Barnett, separated by the Forestburg Limestone. However, in our study area...


Form and Function of Sedimentary Particles

N. C. Flemming

Journal of Sedimentary Research (SEPM)

... shape, erosional history, and transport properties are all involved. In terms of semi-axes, Area of an ellipse - ab. Area of skew ellipse = /4...


Some Applications of the Strain Ellipsoid

Theodore A. Link

AAPG Bulletin

... of no distortion is dependent upon the relative lengths of the three principal axes. Shear planes manifested as intersecting lines in the horizontal indicate...


A Novel Approach to Determine Gas Velocity Profile in Entire Knudsen Number Regime for Nanoporous Shale with Various Pore Geometries

Yu Pang, Dian Fan, Shengnan Chen

Unconventional Resources Technology Conference (URTEC)

... hydraulic diameter decrease with the cross-sectional geometry in the sequence as ellipse > equilateral triangle > square > circle. However, the ranking...


Appositional Fabric Study of the Coastal Sedimentaries, East Godavari District, Andhra, India

A. Sriramadas

Journal of Sedimentary Research (SEPM)

.... Also, as the projection approaches more perfectly an ellipse, the area direction becomes indefinite, being symmetrical. Therefore these two limiting...


Prediction of Sandstone Geometry in the Upper Cretaceous Shannon Sandstone in the Northern Powder River Basin

George W. Shurr, Charles L. Nelson, John T. Jenkins Jr.

Wyoming Geological Association

..., 28th Annual Field Conference, p. 65-72. Stanley, D.J., S.K. Addy, and E.W. Behrens, 1983, The mudline - variability of its position relative...


Structural Analysis of the North Sumatra Basin - with Emphasis on Synthetic Aperture Radar Data

S. P. C. Sosromihardjo

Indonesian Petroleum Association

... recognized in the SAR project area (N69°E, N30°E, N27°W and N72°W) are related to strain ellipse fold axes, as well as shear, thrust and normal fault...


Method of Determining Conformance Factor for Bay-Like Pools with Extraction of Oil by an Active Agent

O. K. Obukhov

Petroleum Geology: A Digest of Russian Literature

... by their number in the category. Using the formula for the area of an ellipse and half of its area (for the second and third categories), for calculation...


Particle Shape in Simulants of the Lunar Regolith

Doug Rickman, Christopher Immer, Philip Metzger, Emily Dixon, Matthew Pendleton, Jennifer Edmunson

Journal of Sedimentary Research (SEPM)

... of the inertial ellipse, mean diameter, sieve diameter, area, and perimeter length from images with an approximately 4.4 μm pixel resolution. From those, aspect...


Modeling Anisotropy in Computer Mapping of Geologic Data: Chapter 7

Gregory Kushnir, Jeffrey M. Yarus

AAPG Special Volumes

... point A will not only be dependent upon the distance to this grid node, but also its position relative to the orientation of a circumscribing ellipse d...


Observations of Intrinsic Anisotropy in Varied Geologic Settings, #40562 (2010)

Lori A. Hathon, Michael T. Myers

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... & Production Importance of Understanding the origins of Intrinsic Acoustic Anisotropy •Assess the relative importance of vertical effective stress...


Mesozoic and Tertiary Tectonics of Irian Jaya: Evidence for Non-Rotation of Kepala Burung

Lyle F. Henage

Indonesian Petroleum Association

...) northern margin, is a part of the Northern Rift. 2) The NE striking Australian NW Shelf Rift continues to an area between Tanimbar and Aru islands where...


Drainage Patterns in Naturally Fractured Tight Gas Reservoirs

Hugo Harstad, Lawrence W. Teufel, John C. Lorenz, William H. Babcock

Four Corners Geological Society

... (Figure 2). For 100:1 permeability ratio the aspect ratio of the drainage ellipse Figure 2. Shape of drainage area for isotropic and anisotropic...


The Origin of Soft-Sediment Deformation Structures in Permo-Carboniferous Glacial and Proglacial Beds, South Africa

J. N. J. Visser, W. P. Colliston, J. C. Terblanche

Journal of Sedimentary Research (SEPM)

..., p. 750-751. BRODZIKOWSKI, K., AND VAN LOON, A. J., 1980, Sedimentary deformations in Saalian glaciolimnic deposits near Wlostow (Zary area, western...


Tectonic Basis for Anaco Fault, Eastern Venezuela

Ernest E. Murany

AAPG Bulletin

.... The Anaco thrust fault is within this tensional setting, and therefore appears to be somewhat anomalous. For this area of eastern Venezuela no tectonic...


Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)

Kristof De Meersman, Chris Ansorger

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... that is used in this study is described in De Meersman and Kendall (2005). It models the noise by adaptively fitting an ellipse to the 3C hodograms (3C...


Refining the Facies Model to Address Reservoir Heterogeneity: Application of New Borehole Imager in Sandstone Reservoirs of Oman; #40903 (2012)

Chandramani Shrivastava, Joe Bildstein, Abdullah Al Alawi, and Hafidh Busaidi

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... Definition Imager Standard & High Definition Images Study Area Structural Elements and Facies Associations Observations and Interpretations Summary...


Application of Borehole Images to Three-Dimensional Geometric Modeling of Eolian Sandstone Reservoirs, Permian Rotliegende, North Sea

Stefan M. Luthi, Jayanth R. Banavar

AAPG Bulletin

... in.) wide. Both the electrical and acoustic borehole image techniques are qualitative and yield relative measurements sensitive to shallow formation...


Application of Common Contour Binning (CCB) and Back Propagation Neural Network (BPNN) for Oil Water Contact Prediction in Carbonate Reservoir (The Case Study at G404 Field)

Wahyu Tri Sutrisno, Septian Prahastudhi, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... in the “Kepala Burung” area of West Papua(or “Bird’s Head”; figure 1). The Basin is located on the northern part of the IndoAustralia plate boundary and bounded...


Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)

Satinder Chopra, Kurt Marfurt

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... structure-oriented filter, rather than improving the results of relative acoustic impedance, artifacts in the form of vertical striations appear...


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