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The AAPG/Datapages Combined Publications Database

Showing 6,411 Results. Searched 195,387 documents.

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Zonal Rotation and Global Tectonics

W. N. Gilliland

AAPG Bulletin

..., the vertical separation between successive exposures representing rate of fall (or rise) per rotation is essentially constant. However, the horizontal...

1973

SV/SH or S1/S2 separation for 3D6C data with direct S-wave vibrator exciting once

Yuan Yuan Yue, Zhiwen Deng, Wenbo Zhang, Hequn Li, Jianlei Zhang, Lina Huo

International Meeting for Applied Geoscience and Energy (IMAGE)

... orientations of horizontal vibrators, and the Alford rotation method was proposed to separate S1 and S2 successfully (Alford, 1986). In recent years, BGP...

2023

Abstract: Revisiting the S-wave Splitting Anisotropic Characterization Workflow: An ApproachBased on the Splitting Intensity Analysis and Inversion; #91204 (2023)

Daniele Boiero, Claudio Bagaini

Search and Discovery.com

... of a stack of n weakly horizontal transverse anisotropic layers, SI varies with azimuth φ according to SIn (φ)=∑i δti sin2(φ - φi (1) where δti is time...

2023

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

..., Calgary, Canada [email protected] Summary In land multi-component (MC) data processing, the orientation of each receiver's horizontal components...

2014

Paleomagnetic Data from Mustique, West Indies, suggest counterclockwise rotation in pre-Late Miocene rocks

Burmester, R.F. Beck, M.E. and Speed, R.C.

Geological Society of Trinidad & Tobago

... of the Geological Society of Trinidad and Tobago - 1995 Mean directions for four sites allow for small components of rotation, but there is no evidence...

1995

Variety of Geologic Silhouette Shapes Distinguishable by Multiple Rotations Method of Quantitative Shape Analysis Text: ABSTRACT

D. G. Collins, J. M. Parks

AAPG Bulletin

...; (2) a principal-components rotation to reduce the many original shape descriptors to a few; (3) a VARIMAX orthogonal-factor rotation to achieve...

1984

Tectonic Implications of Paleomagnetism of Paleogene Volcanic Rocks on the Alaska Peninsula: ABSTRACT

Gordon A. Thrupp, R. S. Coe

AAPG Bulletin

... Tertiary tectonic boundary between indigenous and exotic components of Alaska is not known. The paleomagnetism of a sequence of 30 Paleocene basalt flows...

1985

No Slide Title

Search and Discovery.com

N/A

Identifying Frac Growth in Multiple Horizons using Integrated Microseismic and Induced Seismic Monitoring Approaches

Ted Urbancic, Andy Cochrane, Sheri Bowman

Unconventional Resources Technology Conference (URTEC)

... discuss: a Force Balance Accelerometer (FBA); a 4.5 Hz geophone; and a 15 Hz geophone. The sensors, in the example shown, are all associated...

2014

Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes

Fabio Mancini, Ben Hollings, Giorgio Mangano, Dhimitraq Gjini, Damien Dieulangard, Ted Manning, Henry Debens

International Meeting for Applied Geoscience and Energy (IMAGE)

... and transverse, consistent signals are observed on the radial component. Figure 4: Spectra of hydrophone and vertical and radial components of geophone (after...

2023

Abstract: Microseismic Event Locations for Deviated Boreholes; #90187 (2014)

Amna Feroz and Mirko van der Baan

Search and Discovery.com

... the production from shallow heavy oil reservoir in Canada, Including grids of vertical injector/ producers, horizontal injector/producers, Steam Assisted...

2014

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... and a 90° phase rotation between the two. Depth dependence of magnitude spectra in these two depth regions is distinctly different. Log magnitude spectra...

2013

Abstracts: Advances in SGL AIRGrav Acquisition and Processing; #90173 (2015)

Luise Sander and Stephen Ferguson

Search and Discovery.com

... of the horizontal gravity components of the airborne gravity data in addition to the traditionally used scalar gravity measurement. Introduction Airborne gravity...

2015

Exploring the horizontal component of OBN surveys for added value to imaging

Samara Omar, Jim Simmons, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... are critical first steps toward extracting value from the H-components of OBN data. Introduction The horizontal (H) components of ocean bottom node (OBN...

2023

Paleomagnetism of Franciscan Rocks in the Marin Headlands

Foster B. Curry, Allan Cox, David C. Engebretson

Pacific Section SEPM

... Marin County that are now interpreted as evidence of 19° of poleward displacement and 106° of clockwise rotation (Gromme, this volume). A more recent...

1984

Abstract: SS-wave Reflections from P-wave Sources in Azimuthally Anisotropic Media; #90187 (2014)

James Gaiser and Richard Verm

Search and Discovery.com

... deconvolution, NMO corrections, and surface-consistent statics were performed. A rotation of the horizontal components about the vertical axis separated data...

2014

Long Distance Migration in Central Kalimantan: A Solution to the Barito Dilemma?

Derik Kleibacker, Riki Tasrianto, Asep Saripudin

Indonesian Petroleum Association

... the initiation of uplift associated with the rotation of Borneo and far-field tectonic forces separated the basins into their current forms in late Miocene...

2015

Whole Lithospheric Folding as a Mechanism of Basin Formation and Tectonic Implications for Gondwana Evolution: Evidence from the Palmyride Trough, #30176 (2011)

Syria, Barry Wood

Search and Discovery.com

... a narrowing of nested troughs through time, increasing structural segmentation and regional counterclockwise rotation. Lithospheric folding is proposed...

2011

Easy Solutions to Stereonet Rotation Problems: GEOLOGIC NOTES

C. A. Bengtson

AAPG Bulletin

... method of rotating a plane about a horizontal axis. (A) Oblique view showing cone of rotation tangent to an auxiliary reference sphere. (B) Meridional...

1983

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