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The AAPG/Datapages Combined Publications Database

Showing 3,108 Results. Searched 190,142 documents.

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The Challenge of Multiples

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Attributes of Key Surfaces

Henry W. Posamentier

Special Publications of SEPM

... can be a function of frequency of avulsion (Bridge and Leeder, 1979) and variations in subsidence rates and style of sedimentation (i.e., suspended...


Jurassic Chronology and History of Atlantic Basins: ABSTRACT

Felix Gradstein, John Exton, Jim Ogg

AAPG Bulletin

... Micropaleontologic zonations largely have stage-level resolution. Facies-dependence and provincialism limit universal application, and calibration to ammonite...


Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)

Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram

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... autocorrelation. In order to investigate amplitude dependence on frequency, data traces were band-pass filtered before calculating the LSSS with a series of 1 Hz...


Abstract: Novel Processing and Facies and Tectonic Results from North Louisiana Seismic Data

Valentin Makarov , Iosif A. Musbin , Eugeniy A. Kozlov , Chris J. Krotzer , Allen Lowrie

GCAGS Transactions

..., with its dependence on digital data processing, frequency-based analysis, and seismic unit determination, in an excellent compliment to the visually...


Abstract: Influence of mineralogical composition and texture on induced polarization (IP) effects in gold-bearing rocks from the Herbert-Brent gold showing, Yellowknife Greenstone Belt, Canada

Mark Richardson

Atlantic Geology

... apparatus to measure IP effects both in the frequency domain (measuring resistivity as a function of frequency), and in the time domain (determining...


Depth distribution of benthic foraminifera in the middle and deeper sublittoral to uppermost bathyal zones northwest of Okinawa, Japan

Wan Nurzalia Wan Saelan, Johann Hohenegger

Geological Society of Malaysia (GSM)

... of the tests in the middle and deeper sublittoral zones is related to dependence on either coarse sand, medium sand or no dependence on specific substrate...


Determination of the Lower Limit of Porosity of Production Reservoirs

V. A. Ivanov, V. G. Khramova

Petroleum Geology: A Digest of Russian Literature

...Determination of the Lower Limit of Porosity of Production Reservoirs V. A. Ivanov, V. G. Khramova 1965 628 630 Vol. 9 (1965) No. 11. (November) 1...


Measures for Describing the Size Distribution of Sediments

Douglas L. Inman

Journal of Sedimentary Research (SEPM)

... frequency distribution curve as described by equation 10 has one finite end at x = 0, while the other tail approaches zero as a limit as x becomes...


What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

.... LEVIN, F.K., 1978, The reflection and diffraction of waves in media with an elliptical velocity dependence. Geophysics v. 43 pp. 528-537. LOEWENTHAL, D...


Improving three-dimensional high-order seismic-stratigraphic interpretation for reservoir model construction: An example of geostatistical and seismic forward modeling of Permian San Andres shelf–Grayburg platform mixed clastic–carbonate strata

Yawen He, Charles Kerans, Hongliu Zeng, Xavier Janson, and Samuel Z. Scott

AAPG Bulletin

... heterogeneity and seismic frequency suggest this fundamental assumption is model dependent. Thus, in this study, we further test the model dependence...


A Novel Database-Driven Approach to Shallow Marine Classification: Towards Building a Knowledge Base, #40621 (2010)

Boyan K. Vakarelov, R. Bruce Ainsworth, Rachel A. Nanson

Search and

... of separate classification schemes for basin-scale and local deposition deals poorly with the often existing co-dependence between the two. We propose a new...


Fracture Geometry Measurements by Analyzing Multiwell Communications

Sofya Sizova, Roman Korkin

Unconventional Resources Technology Conference (URTEC)

..., and the frequency of a wave. That is why the wave's attenuation during propagation from an active to an offset well allows estimating the fracture's geometry...


Abstract: Rock Physics Models for the Seismic Velocity of Cracked Media; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and

... of the aligned cracks is anisotropic. Both models assume no fluid flow between spaces, thus they simulate high-frequency, saturated-rock behavior. At low...


Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... dependence. This signal attenuation is also frequency dependent, which makes a data processing solution very difficult to achieve. When explosives...


Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and

...Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014) Waheduzzaman...


Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... to a frequency dependence of the reflections. In the simple case of a conventional reservoir limited by two interfaces (the top and the base...


Monte Carlo and Stochastic Simulation Methods: Part 6. Geological Methods

A. G. Journel

AAPG Special Volumes

... distribution of size and aspect ratio, or shapes drawn at random from a frequency table of recorded shapes End_Page 348...


Porosity Dependence on Temperature: Limits on Maximum Possible Effect

Lee P. Stephenson

AAPG Bulletin

...Porosity Dependence on Temperature: Limits on Maximum Possible Effect Lee P. Stephenson 1977 407 415 61 3. (March) Systematic reductions...


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