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The AAPG/Datapages Combined Publications Database

Showing 28,581 Results. Searched 200,691 documents.

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Chasing Channel Sands in South East Asia

P. M. Lloyd, R. Koch, D. DesAutels, Amiruddin M. Zain, R. Davis

Geological Society of Malaysia (GSM)

... in dip angle it is possible to orient the channel axis; the dips along bedding surfaces point to the channel center (NW), and the axial trend...

1999

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... not be migrated (displaced by an angle equal to the component of dip) to the point of reflection while maintaining a uniform depth scale. The depth...

1953

Integrating borehole image logs with core: A method to enhance subsurface fracture characterization

F. Fernández-Ibáñez, J. M. DeGraff, and F. Ibrayev

AAPG Bulletin

... cylindrical wellbore at an angle, unwrapping the image of the borehole wall displays the features as sinusoidal traces. The dip direction of any such feature...

2018

Application of Photo-electric Cell to the Measurement of Pebble Axes for Orientation Analysis

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

... be expressed in terms of its direction of dip and angle of dip. The complete study of pebble orientation, however, requires more than the alignment...

1939

Constructing a Geomechanical Model of the Woodford Shale, Cherokee Platform, Oklahoma, USA: Effects of Confining Stress and Rock Strength on Fluid Flow, #50716 (2012)

Tyler Hair, Helge Alsleben, Milton Enderlin, Nowell Donovan

Search and Discovery.com

... state of the Cherokee Platform, central Oklahoma, is determined using a stress polygon approach, incorporating Anderson’s theory of faulting and available...

2012

Structure of the Rawlins Uplift, Carbon County, Wyoming

James A. Barlow Jr.

Wyoming Geological Association

.... As is generally the case in the Rocky Mountains, the simple anticlinal pattern is complex and the strata on the west flank have a high angle of dip...

1955

Abstract: The Art and Science in the Borehole Image Interpretation of Deepwater Gravity Flow Sediments

Chunming Xu

Houston Geological Society Bulletin

... that the Red Oak sandstones overlie pelagic shale and slumped mudstones (mass transport). The dip results illustrate slump structures of different...

2011

Photogeology, A Tool for Petroleum Exploration in Northwestern Colorado

B.P. Harder

Rocky Mountain Association of Geologists

... interpretation is increased by the vertical exaggeration of relief. Exaggeration is of particular value in interpretation of low angle dip of sedimentary...

1962

A Method for Evaluating the Effects of Confining Stresses and Rock Strength on Fluid Flow along the Surfaces of Mechanical Discontinuities in Low-permeability Rocks

Milton B. Enderlin, Helge Alsleben

AAPG Special Volumes

... is an understanding of the surrounding subsurface stress field. To constrain the present-day horizontal stress magnitude, a stress-strength equilibrium approach...

2012

Techniques in Photogeology

Louis Desjardins

AAPG Bulletin

... scale, and d the dip angle. CROSS SECTIONS Geologic cross sections can be easily made by more or less conventional means from data contained...

1950

Stress rotations and compounding pore-pressures from multiple well injections

Jonathan P. McKenna, Christine Remington, Michael S. Blaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... field for each formation is calculated by minimizing the misfit angle between the modeled stress field and the observed focal mechanism slip vectors...

2022

Importance of Low-Angle Migration Paths in Alberta … Detection and 3-D Visualization; #41321 (2014)

Jean-Yves Chatellier and Michael Chatellier

Search and Discovery.com

... of the low-angle fault plane (migration) with 0.6 degree dip to the south. Figure 3. Location of the 101 wells with high-pressure gas kicks...

2014

New Methodology for the Generation of the Structural and Petrophysical Conceptual Model with Limited Information; #41472 (2014)

Giorgio De Paola, Ruben Rodriguez Torrado, Sonia Embid

Search and Discovery.com

... variables considered can be classified in structural and petrophysical. Among the firsts are reservoir area, thickness, dip angle, oil water contact (OWC...

2014

Pore-scale electrical numerical simulation and new saturation model of fractured tight sandstone

Qian Wang, Maojin Tan, Chengwen Xiao, Siyu Wang, Chuang Han, and Lingtan Zhang

AAPG Bulletin

... Fracture dip is defined as the angle between the fracture plane and its horizontal projection plane. A set of digital rocks with different fracture...

2022

Deposition and Stratification

J. C. Harms, J. B. Southard, R. G. Walker

Special Publications of SEPM

... with a positive angle of climb is called ripple-drift cross-lamination Its significance was or climbing-ripple cross-lamination. 1908), and in more recent...

1982

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