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The AAPG/Datapages Combined Publications Database
Showing 28,831 Results. Searched 196,763 documents.
South LHO Sukon-D1 Discovery, North Sumatra
M. A. Maliki, Soenarnyoto Soenarwi
Indonesian Petroleum Association
... strong amplitude reflectors, presumably the top and bottom of the reef, and high interval velocity. This seismic anomaly was noted in old vintages...
1991
Asymmetric apertures for 3D SRME: Practical aspects and opportunities
Zhimei Yan, Massimiliano Vassallo, Scott Slaton
International Meeting for Applied Geoscience and Energy (IMAGE)
... to both symmetric variable aperture methods and typical constant apertures. investigated (Hegge and Borselen, 2010; Espinoza et al., 2017; Yan et al...
2022
Converted Waves Seismic Imaging : Importance of Gamma Estimation (Paper P4)
A. G. Mohd Adnan, A. R. Ghazali
Geological Society of Malaysia (GSM)
... analysis and variable gamma analysis. Vertical gamma operator is determined by correlating trace to trace PP and the stretched PS (time stretched...
2012
Bitumen Deposits in Middle Magdalena Valley, Colombia, South America, #51051 (2014).
Jose Maria Jaramillo Mejia, Salvador Rojas Lequerica, Clemencia Gomez Gonzalez, German Rodriguez Pradilla, and Nicolas Bernal Caro
Search and Discovery.com
... Fault, a large structural feature of NE Colombian Andes. It is important to note that bitumen has highly variable characteristics, with softening...
2014
Geological Characterization of a Late Jurassic Carbonate Mudstone, Saudi Arabia: Sedimentology, Geochemistry, And Geomechanics; #51649 (2020)
John D. Humphrey, Septriandi Chan, Muhammad Usman, Baqer Albensaad, Yaser Alzayer
Search and Discovery.com
... by calcite mineralogy, with variable admixtures of lesser amounts of quartz and clays, and minor amounts of authigenic dolomite and pyrite. Twelve...
2020
A nodal discontinuous Galerkin method for wave propagation in coupled fluid-solid media
Ruiqi Li, Yijie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., nodal discontinuous Galerkin method can get more accurate results. velocity-stress formulation and an explicit expressions of fluxes through solving...
2022
Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones
Walter E. Johnson, William T. Brown Jr., James B. Peterson
Rocky Mountain Association of Geologists
... to be recorded; 3) A better understanding of petrophysics allows the practitioner to more accurately predict the acoustic velocity of a sandstone under...
1995
Comparing Overpressure in the West and East Natuna Basins
Julianta Parlindungan Panjaitan, Bobby Siswanto, Rizki Perdana Putra, Heru Putranto, Rita Achdiat
Indonesian Petroleum Association
.... Overpressure classification was defined from log crossplot techniques between bulk density to sonic velocity and vertical effective stress to sonic velocity...
2015
Case studies on the application of passive seismic horizontal to vertical spectral ratio (HVSR) surveying for heavy mineral sand exploration
Nigel Cantwell, Matthew Owers, Jayson Meyers, Sharna Riley
Petroleum Exploration Society of Australia (PESA)
... HVSR response from more dense and higher velocity HMS lenses, to detecting parallel silt and clay horizons, sometimes producing an inverted HVSR...
2019
Passive seismic HVSR surveying for groundwater exploration at the Chilalo Graphite Project, Tanzania
Sharna Riley, Jayson Meyers, John Sinnott
Petroleum Exploration Society of Australia (PESA)
.... The gridded bedrock depth highlighted two paleochannel features of variable depth within the river valley. One bore was drilled along the margin...
2019
Calibration of the University of Southern California Automatically Recording Settling Tube
David O. Cook
Journal of Sedimentary Research (SEPM)
.... S., AND LIN, P. N., 1952, Sediment concentration and fall velocity: Proc. Second Confer. Fluid Mechanics, Ohio State University, p. 401-411. POOLE, D...
1969
Paleohydrology and Paleomorphology of a Carboniferous, Meandering, Fluvial Sandstone
Thomas W. Gardner
Journal of Sedimentary Research (SEPM)
... for suspension". Average flow velocity, V, estimated from this method is similar to flow velocity estimated from initiation of sediment motion curves...
1983
Marine Multicomponent Seismic – The New Issues in the Developing Revolution
Jason Robinson
Indonesian Petroleum Association
... axis is two-way PS1 time, the horizontal axis is the ratio of Vps1/Vps2 average velocity, and variable density amplitudes represent positive cross...
2002
Applying Rock Physic Models for Optimized Pore Pressure Prediction
Joel K. Loeffler, Sam Green, Jakob Heller, Lev Vernik
GCAGS Transactions
... physics models (RPMs) such as the clay-dependent pore pressure prediction model presented in Vernik (2011) and in Vernik (2016) can take variable clay...
2020
Diagenetic and Sedimentologic Explanation for High Seismic Velocity and Low Porosity in Mesozoic-Tertiary Sediments, Svalbard Region: GEOLOGIC NOTES
Anders Elverhoi , Gisle Gronlie
AAPG Bulletin
...Diagenetic and Sedimentologic Explanation for High Seismic Velocity and Low Porosity in Mesozoic-Tertiary Sediments, Svalbard Region: GEOLOGIC NOTES...
1981
Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits
Alan V. Jopling
Special Publications of SEPM
... line for any given particle was derived by plotting of the particle the longitudinal velocity of stream flow in the transition region and the settling...
1960
Experimental Investigations of Combined Flow Sediment Transport
Everett Smith, Max S. Daniller-Varghese, Paul M. Myrow, David Mohrig
Journal of Sedimentary Research (SEPM)
... and Mineralogists, Special Publication 27, p. 327–342. Dott, R.H., Jr., and Bourgeois, J., 1982, Hummocky stratification: significance of its variable...
2019
A high-resolution seismic investigation for shallow iron ore
Ashley Grant*, Sasha Ziramov, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... to the south-west. The grade is variable throughout the survey area and its seismic signature appears to identify some of these changes. Velocity models...
2019
Abstract: Statics or Statistics?The Near-Surface Revisited; #90211 (2015)
David Henley
Search and Discovery.com
... for compensating seismic data for the effects of the highly variable near-surface weathered layer, usually classified as “statics” methods...
2015
Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation
Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS
GEO ExPro Magazine
... and high fidelity pre-stack seismic attributes data in Newfoundland and Labrador Figure 3: FWI velocity model and LSM depth slice showing the structural...
2020
Determining the Impact of Mineralogy Composition for Multiphase Flow Through Hydraulically Induced Fractures
Javier E. Santos, Maša Prodanović, Christopher J. Landry, Honggeun Jo
Unconventional Resources Technology Conference (URTEC)
... these processes, is the variable wettability of the minerals in presence of reservoir fluids (Tokunaga & Wan, 2013); it has been shown that a system (i.e....
2018
Seismic Reflection Measurements of Northwest Australian Margin and Adjacent Deeps
J. J. Veevers , D. A. Falvey , L. V. Hawkins , W. J. Ludwig
AAPG Bulletin
...-refraction measurements of a seaward decrease in interval velocity of laterally equivalent sedimentary rocks above the unconformity. Beck, R. H., 1972...
1974
The Composition, Structure and Erodability of Subtidal Mats, Abaco, Bahamas
A. Conrad Neumann, Conrad D. Gebelein , Terence P. Scoffin
Journal of Sedimentary Research (SEPM)
... and mucilage to produce stromatolitic structures whose morphology was controlled by current velocity and rates of sediment FOOTNOTE 2. Contribution...
1970
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
... signals. The method provides a better result than a conventional slowness/velocity-based filtering method which cannot handle both surface waves...
2016
Multichannel Profiles Collected in 1982 in the Tonga Region of the South Pacific
Dennis M. Mann
Circum Pacific Council Publications
... controllers or variable-wing birds attached to the bird sections. Digital 1 Any use of trade names is for descriptive purposes only and does not imply...
1985