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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 69,537 Results. Searched 195,354 documents.

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A Simple Trigonometric Method for Extracting Data from Ternary Diagrams: RESEARCH METHOD PAPER

James C. Bolton, Roger C. Brewer

Journal of Sedimentary Research (SEPM)

... ABC is located at the origin of the cartesian coordinate system X-Y and the line segment BC lies on the X-axis (Fig. 1). Then, End_Page 773...

1987

Anisotropic Reservoir Characterization Based on Support Vector Machine Technique

Search and Discovery.com

... at the flow-oriented (s, n) coordinate system to handle the anisotropy of reservoir property. The Cartesian (x, y) coordinate system of both seismic...

2013

Interactive Video Digitization of Well Logs: ABSTRACT

David C. Crane

AAPG Bulletin

... in raster form. Software converts the raster imagery to an X-Y coordinate model. The operator then makes model corrections interactively by using...

1982

You Can Get There From Here!

Kathy A. Taerum

Search and Discovery.com

... of coordinate data from different sources, it's more important than ever to ask questions about the spatial data that is incorporated into your work...

Unknown

You Can Get There From Here!

Kathy A. Taerum

Search and Discovery.com

... of coordinate data from different sources, it's more important than ever to ask questions about the spatial data that is incorporated into your work...

Unknown

Using Shear and Vp

Search and Discovery.com

N/A

The Three Elements of Structural Geology Part 1, #41849 (2016).

Terry Engelder

Search and Discovery.com

...-Balance Equilibrium Using this same coordinate system where the axes are parallel to the principal stresses s1 and s2, we can look at the stress vectors...

2016

PowerPoint Presentation

Engelder

Search and Discovery.com

... and the components, sx" and sy" are known as the principal stresses. Terry Engelder Force-Balance Equilibrium Using this same coordinate system where the axes...

Unknown

A New Computational Model to Predict Breakdown Pressures in Cased and Perforated Wells in Unconventional Reservoirs

Mohammed Kurdi, Hamid Roshan

Petroleum Exploration Society of Australia (PESA)

... system can be transformed to the Cartesian coordinate system using equations (5) and (6). Using equations (7), the cylindrical coordinate system can...

2018

Grain-Shape Analysis—A New Method for Determining Representative Particle Shapes for Populations of Natural Grains

Robert J. Oakey, Michael Green, Paul A. Carling, Mark W.E. Lee, David A. Sear, Jeff Warburton

Journal of Sedimentary Research (SEPM)

...) proposed a Cartesian coordinate system with the four above-mentioned extremes using the indices S/I and I/L; these first-order ratios of the three...

2005

A Procedure for Digitizing Small-Scale Geologic Features Directly from Hand Sample or Core, Using a Microcomputer System: GEOLOGICAL NOTE

David R. Kobluk

CSPG Bulletin

...A Procedure for Digitizing Small-Scale Geologic Features Directly from Hand Sample or Core, Using a Microcomputer System: GEOLOGICAL NOTE David R...

1984

CALCULATION OF COORDINATES FROM A CHAINED TRAVERSE

W. H. Stalhuth Sr., W. H. Stalhuth Jr.

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... to be everywhere parallel, which is not true. This assumption can result in a difference of more than 200 meters in the east-west coordinate...

1966

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the CDP stack section as a superposition of upward traveling waves. Let us quantize the subsurface so that it consists of small diffracting points...

1978

Sequential restoration and unstraining of structural cross sections: Applications to extensional terranes: Discussion

John Wickham, George Moeckel

AAPG Bulletin

... strain matrices are referred to different coordinate systems (Biot, 1965, p. 6-15): U is referred to the Eulerian, rotated coordinate system and V...

2002

Geodetic Datums and Map Projections

James G. Morgan

Houston Geological Society Bulletin

.... The Reference Ellipsoid To fix (or locate) a point in three-dimensional space, it is necessary to define a coordinate system. For locating points on or near...

1988

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