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The AAPG/Datapages Combined Publications Database
Showing 2,593 Results. Searched 201,049 documents.
Two statistical attributes for evaluating attenuation response due to gas hydrates
Emily Jackson, Heather Bedle, Thang Ha
International Meeting for Applied Geoscience and Energy (IMAGE)
... evident when they cross-cut stratigraphic layers as they roughly parallel the ocean bottom, albeit with opposite polarity. Although BSRs are good...
2022
Lessons learned and applications of bottom-simulating reflectors
Karyna Rodriguez, Neil Hodgson
International Meeting for Applied Geoscience and Energy (IMAGE)
...) (Figure 1). The BSR has opposite polarity to the seabed and often cross-cuts stratigraphy. It is also characterised by a free gas zone below which may...
2022
Address by Professor S. K. Runcorn on Palaeomagnetism
J. R. Patterson
CSPG Bulletin
.... It is suggested that the Earth's field is generated from a primary field produced by fluid motions in the core. In this scheme, the polarity...
1958
Interactive Interpretation of 2D Seismic Data
Alistair Brown
Geological Society of Malaysia (GSM)
... modes. He may use variable area/wiggle trace (Fig. 8), wiggle trace only, dual polarity variable area or, in order to maximize dynamic range, full...
1987
The Clear Lake Volcanics, California: Geology and Fieldtrip Guide
Julie M. Donnelly, Fraser E. Goff, B. Carter Hearn Jr.
Pacific Section of AAPG
... are progressively younger northward through the field. K/Ar dates range from 2.04 to 0.03 m.y. and most are in good agreement with magnetic-polarity determinations...
1978
IGNEOUS ACTIVITY SOUTH AND WEST OF THE CRAZY MOUNTAINS BASIN, MONTANA
ROBERT A. CHADWICK
Montana Geological Society
... change by "apparent wandering" of the magnetic poles or by a 180" reversal of their polarity. These remanent magnetic directions may...
1972
Gas Hydrates: Part VI: Hydrates in the Arctic
Martin Landrø, Jürgen Mienert, Lasse Amundsen
GEO ExPro Magazine
... associated with the gas chimney from the Bjørnøyrenna Fault Complex. A large area of masked acoustic reflections and polarity reversed high-amplitude...
2015
ABSTRACT: Maceral/Microlithotype Partitioning Through Triboelectric Dry Coal Cleaning
James C. Hower, Heng Ban, John L. Schaefer, John M. Stencel
The Society for Organic Petrology (TSOP)
... at velocities between 5-20 d s . The charged particles were deflected by a electric field to parallel plate electrodes according to polarity. A 400...
1995
Gas Hydrates: Part VII: Hydrates in the Arctic (II)
Jürgen Mienert, Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... reflection with a negative polarity event and cross-cutting. The seismic characteristics suggest a bottom-simulating reflector indicating the base...
2015
The Maitland Gas Discovery - A Geophysical/Petrophysical Case History
K. H. Sit, P. M. Hillock, N. W. D. Miller
Petroleum Exploration Society of Australia (PESA)
.... Polarity and velocity comparisons with sonic and synthetic seismogram data from Tryal Rocks-1 and West Barrow-1 indicated that a litho-density effect...
1994
The San Juan Basin: A Complex Giant Gas Field, New Mexico and Colorado
James E. Fassett
Rocky Mountain Association of Geologists
... America Series, v. P-2., p. 357-372. Fassett, J.E., and M.B. Steiner, 1997, Precise age of C33n-C32r magnetic polarity reversal, San Juan Basin, New...
2006
How to Generate Really Good Structural Maps
Francis Richards
GEO ExPro Magazine
...? An alternative is that the polarity of the fault has flipped and that separate faults with Figure 3: (a) Top reservoir map from a UK North Sea relinquished...
2018
Application of P & SH-Waves for Rock Anisotropy Studies: Genting Highlands Case Study
Abdul Nassir Sh. Saeed, Abdul Ghani Rafek, Rahman Yaccup, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
...-wave components in the opposite polarity field data records gathered from the shear wave surveys have been reduced by computer processing before picking...
2000
Tectono-Stratigraphic Assessment of the Northern Colombia Forearc Basins and Peripheral Caribbean Deep-Water Fold Belt
E. Gómez, G. Butcher, D. Stewart, S. Sumner, D. Truempy, S. Ings
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... fold belt indicates that the NW regional polarity of deformation was accompanied by diachronous development of characteristic turbiditic sequences...
2006
Extended Abstract: A Mapping Accord Project: Sedimentary Basins of Eastern Australia, with Comments on 1989 Bowen Basin Deep Seismic Profiles
R. J. Korsch, K. D. Wake-Dyster, D. W. Johnstone
Petroleum Exploration Society of Australia (PESA)
... the opposite 80 polarity for initial extension to that proposed by previous workers. Published with permission of the Executive Director, Bureau...
1990
Geophysics: Seeing the Whole Picture
Steve Morse, Gerrard Spear
GEO ExPro Magazine
... surveys covering the UKCS Central Graben. These surveys had different orientations, bin sizes, amplitude, polarity and phase. Loaded as individual surveys...
2022
A Middle Eocene Marine Molluscan Assemblage from the Usually Nonmarine Friars Formation, San Diego County, California
Richard L. Squires, Thomas A. Demere
Pacific Section SEPM
... al., 1941). Recently, Flynn (1986) examined geogmagnetic data from the San Diego Eocene section in an attempt to integrate magnetic polarity...
1991
Beyond the Deltas: Late Triassic Isolated Carbonate Build-ups on the Exmouth Plateau, Carnarvon Basin, Western Australia
S. L. Grain, W. M. Peace, E. C. D. Hooper, E. McCartain, P. J. Massara, N. G. Marshall, S. C. Lang
Petroleum Exploration Society of Australia (PESA)
... SEG polarity convention. 6 West Australian Basins Symposium 2013 Perth, WA, 18–21 August 2013 Beyond the Deltas: Late Triassic Isolated Carbonate...
2013
Abstract: Petroleum Geology of the Central North Slope, Alaska: Opportunities for Independents
David L. LePain, Mark Myers, Gil Mull, and David Hite
Houston Geological Society Bulletin
.... Basin polarity gradually changed over a 100-Ma period from Early Jurassic to Late Neocomian time. During this period Arctic Alaska experienced active...
2003
Seismic Modeling of a Mixed Carbonate-Siliciclastic Prograded System Middle Permian, Midland Basin
D. G. Harris, J. F. Sarg
West Texas Geological Society
... pulse with 25 Hz peak frequency and Exxon normal polarity best fit the data. Effective seismic bandwidth is 8-50 Hz. The well ties are excellent...
1989
Quaternary Volcanic Ash and Associated Sediments at Serdang, Selangor
P. H. Stauffer, B. Batchelor
Geological Society of Malaysia (GSM)
... polarity, given the young aspect of the overlying alluvium, suggests the soil may have formed during the Brunhes Normal Epoch beginning 700 000 years...
1978
Modern and Ancient Barrier, Lagoonal, and Marine Environments, Ventura County, California; Frontmatter, Introduction and Field Trip Log
Donald R. Prothero
Pacific Section SEPM
... in polarity (Chron C19r, 41.5-42.0 Ma), and also shows 100 ± 17° of clockwise tectonic rotation (as do all pre-middle Miocene strata in this part...
2001
Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene Silverado Formation, Orange County, California
Donald R. Prothero, Ruben A. Lopez
Pacific Section SEPM
..., which passes a reversal test. Nearly the entire formation (except possibly the very lowest beds) is of reversed polarity. Based on the presence...
2001
One Million Years from the Upper Arang Formation, West Natuna Basin, Implications for Reservoir Distribution and Facies Variation in Fluvial Deltaic Deposits
Keith Maynard, Iain Murray
Indonesian Petroleum Association
... deposition) upwards. The seismic data is normal polarity data (peak or positive reflection is an increase in acoustic impedance) with peaks displayed...
2003
Cimatti Field An example of using seismic amplitude to determine in-place resource
Michael Micenko
Petroleum Exploration Society of Australia (PESA)
... polarity displays). This reflector is a single cycle and has an elevated amplitude compared to surrounding areas. The amplitude anomaly has...
2019