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The AAPG/Datapages Combined Publications Database
Showing 29,449 Results. Searched 200,691 documents.
Production Logging: Part 9. Production Engineering Methods
James J. Smolen
AAPG Special Volumes
... be encountered, are evaluated using flowmeters with fluid identification devices. The most effective technique with radioactive tracers is the velocity shot...
1992
Foredeep: Wolfcamp Biohermal Mounds, Upton County, Texas
Charles Leung
AAPG Special Volumes
... in contact with the underlying Devonian carbonate (see velocity log; Figure 1). A good subregional seismic marker is the middle Wolfcamp shale. However...
1987
Stress vs. Strain Understandings and Misconceptions in their Application to Hydraulic Fracturing; #80261 (2012)
Randy Koepsell
Search and Discovery.com
.... These structures may generate significant local strain. • Production results between wells and profile within a single well are highly variable...
2012
Following Seismic Depth Imaging Technology for the Mexican Oil Industry: Experiences and Lessons Learned; #70232 (2016)
Sergio Chávez-Pérez, Mario A. Centeno-Miranda, Douglas A. Gómez-Reyes, Liliana Vargas-Meleza
Search and Discovery.com
... Academic Research Consortia SEP Stanford Exploration Project Stanford University, CA, USA Velocity Model Estimation, Seismic Modeling, RTM, FWI...
2016
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
... polarity, implying a decrease in acoustic impedance; (2) they crosscut strata; and (3) they have a variable amplitude-versus-offset response...
2009
The Makran Continental Margin: Structure of a Thickly Sedimented Convergent Plate Boundary: Convergent Margins: Field Investigations of Margin Structure and Stratigraphy
Robert S. White, Keith E. Louden
AAPG Special Volumes
... the first arrivals (see solid lines in Figure 5), which are overlain by unconsolidated sediment with a velocity gradient measured from several variable...
1982
2. Channel Morphology
Andrew D. Miall
AAPG Special Volumes
...), sediment load (amount and grain size), width, depth, velocity, slope, bed roughness and bank vegetation density (Leopold and Wolman, 1957; Schumm...
1981
Modeling Floodplain Deposits; #50628 (2012)
Irina Overeem, James Syvitski, and Albert Kettner
Search and Discovery.com
... as in the lateral direction into the floodplain depends on the local stream velocity, and on grain-dependent settling rates. Lateral depositional patterns...
2012
GPU-based 3D anisotropic elastic modeling using mimetic finite differences
Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin, Fatmir Hoxha
International Meeting for Applied Geoscience and Energy (IMAGE)
...: Updates of the stress variables obtained from the velocity variables defined on four different SSGs using cyclic MFD operators. Updated variable v [v...
2022
Quantitative Assessment of Hydrocarbon Charge Risk in New Ventures Exploration: Are We Fooling Ourselves?
Noelle B. Schoellkopf
AAPG Special Volumes
... of the work team. For example, a basin modeler working in isolation may need to resolve issues related to seismic interpretation or velocity functions...
2012
Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)
Nirupama (Pam) Nagarajappa
Search and Discovery.com
... of offsets which renders the signal underneath un-useable. In addition, the noise can be aliased and have variable properties in terms of velocity, strength...
2014
Abstract: Resolution and Location Uncertainties in Surface Microseismic Monitoring; #90174 (2014)
Michael Thornton
Search and Discovery.com
... imaging with only compressional waves, significantly reducing the sensitivity to velocity model assumptions. While the surface arrays offer several...
2014
Experimental Study of a Coupled River and River-plume System: Backwater Controls on Source-to-sink Sediment 75 Transfer; #50712 (2012)
Phairot Chatanantavet and Michael Lamb
Search and Discovery.com
..., Spatial and temporal trends for water-flow velocity and bed-material sediment transport in the lower Mississippi River: GSA Bulletin, v. 124/3-4, p...
2012
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
Improving Resolution and Clarity with Neural Networks; #41911 (2016)
Christopher P. Ross
Search and Discovery.com
... imply lower porosity and higher interval velocity, and therefore may be seismically thin and difficult to resolve in the seismic record. Targeting lower...
2016
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
Development of a Parametric Estuarine Model for Gippsland Resource Planning
J B Hinwood, E J McLean
Petroleum Exploration Society of Australia (PESA)
.... For example the diversion of water for domestic and industrial use will change the velocity and salinity structure of the downstream estuary. In turn...
1992
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
A novel viscous pure-acoustic wave equation and its numerical implementation in 3D TTI media
Long Wu, Yixian Xu, Shigang Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... , V 2 (1) P 1 2 k 2 k 2 k 2 , ˆ ˆ ˆ x y z in which, ω is angular frequency, VP is vertical P-wave velocity, ε and δ...
2024
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