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The AAPG/Datapages Combined Publications Database

Showing 86 Results. Searched 190,729 documents.

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Estimating Average Fracture Spacing in Subsurface Rock

Wayne Narr

AAPG Bulletin

... in rock: International Journal of Rock Mechanics, Mining Science, and Geomechanical Abstracts, v. 13, p. 135-148. Riddle, D. F., 1970, Calculus...


Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

... to be a good representation of the trend in the Th/U log. Its equation is given by: [EQUATION] From basic calculus concepts, the first derivative...


Re-Integration: Synthesis EDP in Geology

Ed V. Goodin

GCAGS Transactions

... theory, simulation and modeling, calculus, operations research, etc., statistical inference plays a large and powerful part in the development of Earth...


GOT … The Global Oil and Gas Technology Initiative

Paul Doucette, Dag Nummedal, Jostein Dahl Karlsen

Unconventional Resources Technology Conference (URTEC)

... and expense budgets come under intense pressure. The industry calculus is such that these factors combine to eliminate some potential resource reserves...


Electronic Data Processing In Sedimentary Size Analyses

Joe S. Creager, Dean A. McManus, Eugene E. Collias

Journal of Sedimentary Research (SEPM)

... and facies analysis: Amer. Assoc. Petroleum Geologists Bull, v. 42, p. 2650-2669. MILNE, W. E., 1949, Numerical calculus: Princeton, Princeton University...


Orientation Of Crinoids By Current Action

W. Schwarzacher

Journal of Sedimentary Research (SEPM)

.... T., AND ROBINSON, G., 1932, The calculus of observation: London, Blackie & Son Ltd. End_of_Record - Last_Page 586------- Orientation of organic debris...


Minimizing Fracture-Driven Interaction Risks in the Wolfcamp A - Delaware Basin, USA

Tyler Krolczyk, Brendan Nealon

Unconventional Resources Technology Conference (URTEC)

... are computed for each pair of segments on each wellbore using vector calculus to determine the average, minimum and maximum distances horizontally...


GIS and Statistics Applied to the Analysis of the Distribution of Hydrocarbon Reserves by Fields and Formations in the Sureste Basin, Mexico

Sergio Perez Rodriguez

GCAGS Transactions

... estimator: L2 theory: Zeitschrift far. Wahrscheinlichkeitstheorie und verwandte Gebiete, v. 57, p. 453–476. Gemignani, M. C., 2006, Calculus...


Abstracts: Integration of Coherence and Volumetric Curvature Images; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt

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... will have a positive value of 2D curvature and synclinal features will have a negative value of 2D curvature. Second, most of us learned in calculus...


Integration of Coherence and Volumetric Curvature Attributes, #40770 (2011)

Satinder Chopra, Kurt J. Marfurt,

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... with the vertical, φ=tan-1(z/x). (1) Integration of coherence and volumetric curvature images , From our lessons in calculus c2 D d 2z = dx 2...


Geological, geophysical, and other technical and soft skills needed by geoscientists employed in the North American petroleum industry

C. P. M. Heath

AAPG Bulletin

... of geostatistics are the most important topics, followed closely by 1 yr of calculus. A limited telephone survey revealed that most geoscience...


Depositional facies analysis and modeling of the Judy Creek reef complex of the Upper Devonian Swan Hills, Alberta, Canada

Y. Zee Ma, Andrew Seto, Ernest Gomez

AAPG Bulletin

..., The theory of probability, an inquiry into the logical and mathematical foundations of the calculus of probability: 2d ed.: Berkeley, University of California...


Global climate change and its impact on disease embedded in ecological communities

Philippe A. Rossignol, Jennifer Orme-Zavaleta, Annette M. Rossignol

Environmental Geosciences (DEG)

...: Nature v. 424, p. 754757.Dormoy, J.-L., and J. Collet, 1988, New methods in qualitative calculus: (accessed...


Development of Probabilistic Production Enhancement Screening Toolbox

I. A. Razak, T. Morillo, M. F. Mustapah

Indonesian Petroleum Association

...) to a continuous (fuzzy) form. Thus, recent researchers have also introduced "fuzzy calculus", "fuzzy differential equations", and so on. Based on the oil...


Rb-Sr Isotopic Data from Three Suites of Igneous Rocks, Cape Breton Island, Nova Scotia

J. Duncan Keppie, A. N. Halliday

Atlantic Geology

... mlndral de 320 Ma ou des ages calculus de fagon tj Individuelle de 363 Ma pour l muscovite et 350 Ma pour l blotIte (Cormier, 1980; comm. 6crite, a a 1984...


Rational Analysis of Future Rate of Natural Gas Production

Martin A. Elliott , C. G. Von Fredersdorff

AAPG Special Volumes

... adequately by several time functions. By the methods of calculus, relationships were derived which closely reproduce the past statistics on gas-production...


Numerical Modeling of 1D Anomalous Diffusion in Unconventional Wells Using a Nonuniform Mesh

Ralf Holy, Erdal Ozkan

Unconventional Resources Technology Conference (URTEC)

..., S., Chugunov, V., and Hashida, T. 2011. Mathematical Modeling of Anomalous Diffusion in Porous Media. Fractional Differential Calculus 1 (1): 1–28. https...


Geological Understanding and the Changing Environment

Victor R. Baker

GCAGS Transactions

... the calculus of FIGURE 3. [Grey Scale] Aerial view of Dodge Boulevard Bridge (bottom) and Rillito Creek, looking downstream in the vicinity of electric...


Machine Learning and Artificial Intelligence Provides Wolfcamp Completion Design Insight

R. Shelley, H. Melcher, O. Oduba

Unconventional Resources Technology Conference (URTEC)

..., K., 1997. An Introduction to Neural Networks. UCL Press Limited, London. 4. McCulloch, W.S., Pitts, W. 1943. A logical calculus of the ideas imminent...


Grain-Size Statistics II: Evaluation of Grouped Moment Measures

Davis Swan , John J. Clague, John L. Luternauer

Journal of Sedimentary Research (SEPM)

..., Calculus with analytic geometry: New York, Appleton-Century-Crofts, 843 p. SOLUHUB, J. T., AND KLOVAN, J. E., 1970, Evaluation of gram-size parameters...


Exploration in Perspective

John A. Wolfe

AAPG Bulletin

.... Unfortunately, many of the geology departments are staffed with men not prepared to use calculus, mathematical statistics, matrix algebra, and computers...


A Look at Global Supply and Demand; #120028 (2009)

Arthur R. Green

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..., let us be aware of the impact of our actions. The complex calculus of supply and demand has changed! It has become infinitely more complex. Return...


The Role of Conventional and Unconventional Natural Gas in Indonesian Energy Security and the Development of National Economic Competitiveness

Donald Hertzmark, Richard A. Fuller

Indonesian Petroleum Association

... the calculus of the gas value chain, making domestic uses far more cost effective, especially as substitutes for refined oil products in heating...


Measures for Describing the Size Distribution of Sediments

Douglas L. Inman

Journal of Sedimentary Research (SEPM)

... converted to the proper form are referred to as the mean, standard deviation, skewness, and kurtosis. In calculus notation, the "theoretical moment...


The Three Elements of Structural Geology Part 5, #41849 (2016).

Terry Engelder,

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... (l). Strain is actually defined near a point by the limiting process of differential calculus. Now differential quantities can be introduced...


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