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The AAPG/Datapages Combined Publications Database
Showing 2,007 Results. Searched 200,636 documents.
Microfracture Development in Compacting Sediments: Relation to Hydrocarbon-Maturation Kinetics
V. V. Palciauskas, P. A. Domenico
AAPG Bulletin
..., and vs is the velocity of the incompressible solid grains. In this formulation D()/Dt signifies the material derivative moving with the solid grains...
1980
Future of Petroleum Exploration in the United States
John D. Haun
AAPG Bulletin
... and reserves data available since 1946. It is a derivative of growth in gas reserves in a ratio of 34 bbl of natural gas liquids per million cubic feet (mmcf...
1981
Gravity Field of Kuwait and its Relevance to Major Geological Structures (1)
WARIS E. K. WARSI
AAPG Bulletin
... indicates broad structural control. Milton and Davies (1965) reported that the BA map or even the second derivative map failed to show any indication...
1990
Frequency-dependent seismic-stratigraphic and facies interpretation
Hongliu Zeng
AAPG Bulletin
...). Instantaneous frequency is closely related to instantaneous phase (derivative of phase), decreasing with thickness and increasing with frequency...
2013
Interrelation between surface and basement heat flow in sedimentary basins
Alban Souche, Daniel Walter Schmid, and Lars Rüpke
AAPG Bulletin
...); equation 3 can be expressed in terms of the material derivative , where the advection term simplifies to account only for Darcy flow, :The diffusion...
2017
Shortwave infrared (1.0–2.5 μm) hyperspectral imaging of the Athabasca West Grand Rapids Formation oil sands
Michelle Speta, Benoit Rivard, and Jilu Feng
AAPG Bulletin
..., Remote bitumen content estimation of Athabasca oil sand from hyperspectral infrared reflectance spectra using Gaussian singlets and derivative...
2018
Improving total organic carbon estimation for unconventional shale reservoirs using Shapley value regression and deep machine learning methods
Jaewook Lee, David E. Lumley, and Un Young Lim
AAPG Bulletin
... the other input properties are fixed, based on the partial derivative technique (equation 3): where are the regression coefficient corresponding...
2022
Preliminary resource conceptual model and power capacity estimates for the Northern Granite Springs Valley blind geothermal prospect, Pershing County, Nevada
Kurt O. Kraal, Bridget F. Ayling, Nicole Hart-Wagoner, James E. Faulds, Jonathan M. G. Glen, Drew L. Siler, and Tait Earney
AAPG Bulletin
... and magnetic anomaly maps, as well as several derivative products such as residual isostatic gravity (shown in Figure 2B), depth to basement maps from...
2025
Integrated Exploration of the Owambo Basin, Onshore Namibia: Hydrocarbon Exploration and Implications for a Modern Frontier Basin; #10609 (2014)
Thomas E. Hoak, Alan L. Klawitter, Charles F. Dommer, Pasquale V. Scaturro
Search and Discovery.com
... show the dominant subsurface trends interpreted from a range of gravity and magnetic mapping techniques. These techniques included: second derivative...
2014
The Three Elements of Structural Geology Part 6, #41849 (2016).
Terry Engelder,
Search and Discovery.com
... for a sine curve. Taking tne second derivative for this sine curve, the second order differential equation for the bending moment can be written in terms...
2016
A History of the Principles and Methods of Mechanical Analysis
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
.../t, such as the derivative and the partial derivatives. Four methods are shown to be available. They are (1) measurements of the variations of density, (2...
1932
Eastward Shift of Deepwater Fan Axes during the Miocene in the Gulf of Mexico: Possible Causes and Models
John W. Snedden, William E. Galloway, Timothy L. Whiteaker, Patricia E. Ganey-Curry
GCAGS Journal
... helped in construction of derivative maps in later phases of the project. Age control, which is fundamental to any basin-scale mapping...
2012
Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... cementation factor for a given rock type, n is the saturation exponent and a is a constant. Taking the total derivative of Equation 6-7, the total...
2011
The Oil Fields of Russia: Chapter 7 - Processes of Excluding Water From Oil Wells
Arthur Beeby Thompson
Other Technical
..., :fluoresce'in, a derivative of phenol, one of the coal-.tar products, was employed, but although, when present in ordinary water to the_ extent of one part...
1908
Flow and Salinity Patterns in the Low-Transmissivity Upper Paleozoic Aquifers of North-Central Texas
Jean-Philippe Nicot, Yun Huang, Brad D. Wolaver, Ruth A. Costley
GCAGS Journal
... examined; only derivative data were used. A CLI (1972) study allowed for an independent overall check of formation thickness and also provided inferred...
2013
Stratigraphy and Depositional Environments of the Cincinnati Group of Southwestern Ohio
Gregory A. Schumacher, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio Douglas L. Shrake, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio E. Mac Swinford, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio C. Scott Brockman, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio Lawrence H. Wickstrom, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio
Ohio Geological Society
... appropriate, with various derivative maps, which include thickness of glacial drift, sand and gravel resources, coal...
1987
Analytical Model for History Matching Drawdown & Buildup Cycles of Multi-Fractured Horizontal Wells Experiencing Multiple Operational Upsets
Bin Yuan, Zhenzihao Zhang, Christopher R. Clarkson, Samane Moghadam, Hamidreza Hamdi, Amin Ghanizadeh
Unconventional Resources Technology Conference (URTEC)
...) Pressure derivative over time at the location of 40 ft away from the HF face indicates the existence of two maximum-pressure-response points...
2019
GIS Modeling of Impacts of an Accelerated Rate of Sea-Level Rise on Coastal Inlets and Deeply Embayed Shorelines
Werner G. Hennecke, Peter J. Cowell
Environmental Geosciences (DEG)
... responses to SLR (Bruun, 1988), the many derivative Bruun-type models, and the many attempts to validate these models. We therefore emphasize that our...
2000
An Alternative Earth
Warren B. Hamilton
West Texas Geological Society
... determinations of cores of zircons in these gneisses reach 4.2 Ga (and of clastic zircons in derivative quartzite, 4.4 Ga) in SW Australia, 4.1 Ga in NW...
2007
An Appraisal of the Pablo Formation of Presumed Late Paleozoic Age, Central Nevada
Robert C. Speed
Pacific Section SEPM
... such as organic m u d s , copious b i o t a , evaporites or derivative breccias, or rapid facies changes that are absent from the P a b l o . It appears...
1977
MASS BALANCE CORRECTIONS APPLIED TO LITHOGEOCHEMICAL DATA IN MINERAL EXPLORATION
EDWARD C. APPLEYARD
Saskatchewan Geological Society
... altered derivative are listed in columns 1 and 2. Column 3 contains a list of the FV0 values for each element calculated using equation 5, above...
1990
Standardizing Texture and Facies Codes for a Process-Based Classification of Clastic Sediment and Rock
Kathleen M. Farrell, W. Burleigh Harris, David J. Mallinson, Stephen J. Culver, Stanley R. Riggs, Jessica Pierson, Jean M. Self-Trail, Jeff C. Lautier
Journal of Sedimentary Research (SEPM)
... slightly in that it refers primarily to attributes that define grain size, which in turn control the derivative attributes—sorting, primary porosity...
2012
Stop 6d: Submarine Groundwater Flow and Nitrate Fate and Transport Weeks Bay
James J. Connors
Alabama Geological Society
...; Spalding and Exner, 1993; Mueller, et aI., 1995; Nolan, et aI., 1997), a very soluble derivative of nitrogen that is sourced by inorganic fertilizers...
2004
Origin of Siderite Concretions in Microenvironments of Methanogenesis Developed in a Sulfate Reduction Zone: An Exception or a Rule?
Maciej J. Bojanowski, Euan N.K. Clarkson
Journal of Sedimentary Research (SEPM)
...), and derivative of the weight changes (DTG) were recorded during heating of the samples. Analysis parameters were: sample starting net weight, 400 mg...
2012
Spatial Change of Grading Pattern of Subaqueous Flood Deposits In Lake Shinji, Japan
Yu Saitoh, Fujio Masuda
Journal of Sedimentary Research (SEPM)
... are interpreted to have formed by traction-plus-fallout deposition from a decelerating flood plume and the derivative hyperpycnal flow. Normal river...
2013