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The AAPG/Datapages Combined Publications Database

Showing 2,589 Results. Searched 200,357 documents.

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ABSTRACT: Seismic Stratigraphy and Deep Water Bright Spot Reflections of the Cape Verde Flexural Moat; #90007 (2002)

M. Y. Ali, A. B. Watts, I. A. Hill

Search and Discovery.com

... reflections with high acoustic impedance contrasts, reverse polarity with respect to the seabed reflections and clear lateral terminations embedded well...

2002

ABSTRACT: Class I AVO Analysis in a North Texas Mid-Continent Reservoir; #90007 (2002)

Duane A. Pankhurst

Search and Discovery.com

... associated with Class I AVO anomalies tend to reduce in amplitude (dim), and in some cases pass the zero crossing and reverse polarity. At further offsets...

2002

ABSTRACT: Detection and Monitoring of Hydrocarbons Using Transient Electromagnetics; #90017 (2003)

David Wright

Search and Discovery.com

.... Finally when differences are taken between the two surveys there is again a difference seen only across the reservoir and of the correct polarity...

2003

Abstract: New Paleomagnetic and Geochronologic Data from the Middle-Atlas, Morocco

Vicente Carlos Ruiz-Martínez, Gregg McIntosh, Víctor Villasante, Ahmed Chalouan, Khalil El Kadiri, Margarita López-Martínez

Search and Discovery.com

... a unidirectional behaviour, isolating a well-defined ChRM that always exhibits normal polarity. Site-mean directions do not support any vertical-axis...

2008

ABSTRACT: Investigation of the Deformation History in Reactivated Asymmetric Anticlines in Northwestern New Mexico; #90113 (2010)

Carley Marie Freer

Search and Discovery.com

... monoclines. The geometry proposed here provides an explanation for the geometry and polarity reversal of the Rio Grande rift. Testing the hypothesized...

2009

ABSTRACT Advances in Type Seismic Response for Gas Hydrate in Light of Recent LWD Drilling, #90104 (2010)

McConnell Daniel R.; Zhang Zijian

Search and Discovery.com

... of the recent drilling programs: High positive amplitude anomalies, bright spots with opposite polarity  to gas, occur within expected gas hydrate stability zone...

2010

Abstract: Least-Squares Measurement of Shear-Wave Splitting; #90211 (2015)

Richard Bale, Jianchao Li, Bruce Mattocks, and Shuki Ronen

Search and Discovery.com

... ociated change of polarity of t he transverse component as a function of azimuth, which makes this direction readily apparent on data with good...

2015

Abstract: AVO Effects and Velocity Analysis; #90211 (2015)

Emil Blias

Search and Discovery.com

... precision arises. We investigate the influence of AVO effects, including events with reversed polarity and large amplitude variations, on the accuracy...

2015

Abstract: Plate Tectonic Setting and Structural Characterisation of the Barbados Accretionary Prism; #90238 (2015)

Sonia Scarselli, Fernando Rodriguez, Bradley Nuse, Caroline Burke, Dave Widdoes, and William Crane

Search and Discovery.com

... was associated with initial eastward dipping subduction, which eventually flipped polarity to westward dipping subduction, as observed on present day...

2015

Abstract: Oil and Gas Exploration Emphasizing Overpressure-Enhanced HC Seals in Large Tertiary Deltaic Complexes; #90256 (2016)

Steven L. Getz

Search and Discovery.com

... plane polarity analyses, HC chimney studies, acoustic impedance, and VP/VS studies; 2). seismic interval velocity studies (including velocity-induced...

2016

Abstract: Tectonic Evolution and Structural Setting of the Early Cretaceous Rifts, South Egypt; #90319 (2018)

Said M. Said, Shawky M. Sakran

Search and Discovery.com

... is divided into two main segments, subdividing Komombo basin into two structural sub basins with the same dip polarity. The E-W shear zones of the Nubian...

2018

Magnetic Stratigraphy of the Lower Middle Eocene (Type Ulatisian) Vacaville Shale, Solano County, California

Donald R. Prothero, Earl E. Brabb

Pacific Section SEPM

... carrier of the remanence. In most cases, only a single component of polarity was present at NRM and persisted through the entire demagnetization process...

2001

Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

Search and Discovery.com

... sonic logs, 3) averaging of the P- and S-wave velocities, and 4) wavelet extraction. Further, polarity of the P-S section, sample rates of P-P and P...

2013

Extraction and Interpretation of the Complex Seismic Trace

R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye

Indonesian Petroleum Association

... in reflection strength, phase, frequency, polarity, etc., must also be communicated to the interpreter in a way that he can comprehend and apply them...

1977

Magnetostratigraphy of the Bearpaw and Blood Reserve formations on the St. Mary River: Evidence for the effect of the Sweetgrass Arch

J. F. Lerbekmo, N. Lehtola

CSPG Bulletin

... samples. The samples have a relatively weak viscous overprint due to the present normal polarity field, which is essentially removed at an alternating...

2011

An Improved Approach for Structural Delineation with Multiple Reverse Faults from Borehole Image Dips in Compressional Stress Regime, #42335 (2018).

Shiduo Yang, Yang Yang, Yafeng Li, Guo Wei, Alexis He, Isabelle Le Nir, Tetsushi Yamada, Fangfang Wu, Mo jing, Mohamed Ahmed Alboub

Search and Discovery.com

..., the structural zonation is automatically computed from the formation boundary dip distribution; and the drilling polarity is computed based on the well...

2018

Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

.... Specifically the article shows that polarity and amplitude encoded in the normal incidence trace derived via AVO decomposition can help to identify...

1993

Late Cretaceous Chemical Remagnetization of the Paleozoic Carbonates from the Undeformed Foreland of the Western Canadian Cordillera

Philippe Robion, Jean Luc Faure, Rudy Swennen

AAPG Special Volumes

...-temperature component, which is commonly removed below 250400C, with a steep normal polarity direction; and (3) a high-temperature component, which is isolated...

2004

Very High Amplitude Seismic Anomaly in Georges Bank Trough, Atlantic Continental Margin

Robert C. Anderson, David J. Taylor

AAPG Bulletin

... used to convert the time section to a depth section. Polarity of the integrated time section was studied to determine acoustic impedance contrasts...

1981

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