Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 49,600 Results. Searched 195,372 documents.
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
... the induced or enhanced fracture network. Since rocks are in general anisotropic, particularly shales, it is of interest to consider what impact anisotropy...
2015
Geotechnical Applications in Soft Sediments: Section 2
Wayne A. Dunlap
AAPG Special Volumes
.... and P. Arnold (1973). Movements and Forces Developed by Wave-induced Slides in Soft Clays, Proceedings, 5th. Offshore Technology Conference, Houston...
1981
The Limitations of Seismic Modelling of Geological Structures
B. L. N. Kennett
Petroleum Exploration Society of Australia (PESA)
... on intelligent guesses as to the most significant part of the wave field or, less frequently, on a direct numerical attack on the integral equation...
1985
Estimating Low Dips on Air Photographs: GEOLOGICAL NOTES
William F. Tanner
AAPG Bulletin
... answer. This is demonstrated as follows. The nomogram (Fig. 1) was drawn from a series of numerical solutions of the equation already given...
1953
Fluid Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
..., in laminar flow there is a tendency for a wave-shaped distortion as in Figure 3.15 to be amplified with time: applying the Bernoulli equation along...
1984
Mantle Creep: Elasticoviscous Versus Modified Lomnitz Law, and Problems of "The New Global Tectonics"
Paul S. Wesson
AAPG Bulletin
... persion hardening, as it is termed, and the creep is expressed in general form as EQUATION (17) In this creep law, E* has a value up to ten times...
1972
Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)
Jon Downton
Search and Discovery.com
... equation derived for general anisotropy. Rather than dealing with this complexity, this paper uses a linearized reflectivity approximation derived...
2015
Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)
Mostafa Naghizadeh and Kristopher A. Innanen
Search and Discovery.com
..., to estimate data on a regularly and sufficiently sampled grid. An effective solution can open the door to the application of multidimensional wave-equation...
2015
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
..., M., 2000, Combining eikonal solutions with full wave form modeling, SEG Exp. Abs. pp. 2301-2304. Schuster, G. T., 2009, Seismic interferometry...
2013
Turbulent Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... of equations to be found in textbooks and papers on turbulent flow are semi-empirical: the general form of the equation may be suggested by physical...
1984
Multi-Layer Test Analysis for Dissolved Gas Reservoirs
W. Jatmiko, T. S. Daltaban, J. S. Archer
Indonesian Petroleum Association
... pressure distribution. The general quadratic equation is as follows: for rw < r < r2ph. and for r2ph > r Constants a, b and c are determined using...
1996
Physical Properties of Carbonate Reservoirs in South Sumatra
B. Sudewo, A. R. Suhendan, S. Chacko
Indonesian Petroleum Association
... for sandstones, the equation has been used extensively in the industry for porous rocks in general, yielding good predicted velocity values. With minor...
1987
Abstract: Characterizing Dipping Fractures from P-wave Amplitude Versus Azimuth Studies; #90187 (2014)
Jon Downton and Hampson Russell
Search and Discovery.com
.... In particular I derive a linearized equation describing how the P-wave reflectivity varies as a function of angle of incidence and azimuth at an interface...
Unknown
Possible Mechanism for Concentration of Brines in Subsurface Formations
J. D. Bredehoeft , C. R. Blyth , W. A. White , G. B. Maxey
AAPG Bulletin
... of water and electrolyte between homoionic clays and saturating NaCl solutions, in Clays and clay minerals: Proc. Eighth Natl. Clay Conf., p. 122-149...
1963
SONIC LOG APPLICATIONS - EASTERN VENEZUELA
W. F. Clarke
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
..., however, to evaluate the sonic log as a porosity and/or hydrocarbon indicator. The following discussion presents the general theory based on published...
1961
An Iteratively Coupled Model for Flow, Deformation, and Fracture Propagation in Fractured Unconventional Reservoirs
Harun Rashid, Femi Olorode, Chukwudi Chukwudozie
Unconventional Resources Technology Conference (URTEC)
.... The validation studies presented indicate the accuracy of our model at reproducing the analytical solutions to coupled geomechanics and fracture...
2021
Appendix II: Additional Methods to Determine Volume of Clay (Vcl)
George B. Asquith
AAPG Special Volumes
...: General Vcl formula for use when there is authigenic clay in pores. (Dewan, 1983) 4.) RESISTIVITY: [EQUATION] CONDITIONS: Will overestimate Vcl...
1990
Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)
Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong
Search and Discovery.com
... a reasonably accurate approximation for P-wave group velocity from the eikonal equation. They obtained an expression for P-wave group velocity...
2015
Pressure prediction using converted shear waves from OBN data: A rock physics approach
Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami
International Meeting for Applied Geoscience and Energy (IMAGE)
... Pressure prediction using converted shear waves from OBN survey and rock physics Figure.1 The general flow of PS-wave processing and inversion...
2023
Unfathomable: The shifting sand of wave base
Eugene C. Rankey, Christian M. Appendini
Journal of Sedimentary Research (SEPM)
...,” and suggested that it was controlled by the most energetic half day of waves annually; he also provided an equation based on wave height for its estimation Depth...
2022
Variable Exponential Decline - Modified Arps to Characterize Unconventional Shale Production Performance
Ishank Gupta, Chandra Rai, Carl Sondergeld, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... solutions were used to generate production profiles for the test (Bourdet 2002, Kushtanova 2015). The equations used are given below (equation 8...
2018
Son of Crossplot Fights Back
Piers Cooke-Yarborough
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of crossplots and iterative analytical solutions derived from two porosity logs sometimes gives unsatisfactory results in hydrocarbon-bearing complex...
1986
A Unified Leak-off and Flow-back Model for Fractured Reservoirs
Dylan Copeland
Unconventional Resources Technology Conference (URTEC)
...IC model. Following is a discussion of how each term can be reformulated to allow for general conditions, including . For , instead of the term √ , Eq...
2014
Shallow Temperatures and Thermal Regime in the Hydrocarbon Province of Tierra del Fuego
Gary W. Zielinski , Peter M. Bruchhausen
AAPG Bulletin
... wave represented by equation (1) penetrates the ground with a wavelength λ given by λ = 2π (ω/2μ)1/2 which for a soil with a thermal...
1983
An Explanation of the Logarithmic Spiral Plan Shape of Headland-Bay Beaches
Paul H. Leblond
Journal of Sedimentary Research (SEPM)
... of the headland. The next step involves the choice of a general relation between wave energy, beach FIG. 1. Plan view and bathymetry (depth contours In feet...
1979