Integrated petrophysical characterization of the Nanushuk Formation on the North Slope, Alaska

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ABSTRACT: Timing of Petroleum System Events Controls Accumulations on the North Slope, Alaska; #90108 (2010)

Kenneth Peters, Oliver Schenk, and Kenneth Bird

Search and Discovery.com

... in a structuralstratigraphic trap, although subsurface imaging was uncertain due to difficulty in assessing seismic velocities through permafrost. Drill cuttings showed...

Deposition of Tar Balls Stranded in Sediments of the Upper Eocene Manning Formation, Somerville, Washington County, Texas

Thomas E. Yancey, Ibrahim Al Atwah

GCAGS Transactions

..., and asphaltine) analysis and ion chromatography. Dashed red outline shows boundary between more weathered outer layer and shiny less weathered interior. Scale...

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

...”. Example 1-A. Basin “Thin” A second means of identifying these interval changes as velocity effects is to assign a reasonable velocity for the first...

Geotechnical Engineering Link Between Offshore Processes and Hazards: Section 3

Dwight A. Sangrey

AAPG Special Volumes

..., Effects of rate of loading on strength of clays and shales at constant water content: Geotechnique, v. 2, p. 251. Castro, G.C., 1975, Liquification...

Basalt Weathering and Fluvial Sedimentary Particles: Comparison of Two Watersheds in the Middle Atlas Mountains, Morocco

J. J. Macaire , C. Cocirta , L. Karrat , A. Perruchot

Journal of Sedimentary Research (SEPM)

.... These grains did not have a weathered edge. The < 10 µm fraction contained illite, kaolinite, and 14 A clay minerals (chlorite, mixed-layer clays...

Developments in Alaska in 1966

Edwin H. East

AAPG Bulletin

... investigations in Kotzebue Sound and along the north shore of Seward Peninsula, 2; and engineering studies related to earthquake effects in urban areas along...

Proglacial Fluvial and Lacustrine Environments

Michael Church, Robert Gilbert

Special Publications of SEPM

... fluviatile effects. H e n c e , t h e r a n g e of r e l e v a n t l i t e r a t u r e is b y n o m e a n s restricted t o t h a t describing proglacial...

Tonsteins and Clay-Rich Layers in Coal-Bearing Intervals of the Eocene Manning Formation, East-Central Texas

Leslie F. Ruppert, Peter D. Warwick, Sharon S. Crowley, James Pontolillo

GCAGS Transactions

... in the upper clay layer of the 3500 bed, and plagioclase, with accessory Ti-bearing biotite, predominates in the sample from the floor...

Analysis of Amplitude Versus Offset to Detect Gas/Oil Contacts in Arabian Gulf: ABSTRACT

Edward F. Chiburis

AAPG Bulletin

... to be abnormally low (usually < 0.1-0.2), whereas for oil and water the ratios are usually much greater than 0.3. If the overlying layer has an impedance...

Characterizing a weathering profile over the Kuantan Basalt

John Kuna Raj

Geological Society of Malaysia (GSM)

... effects of pedological processes. Thin-sections of weathered rims (1-2 cm thick) show alteration of basalt to start with formation of micro-cracks (Stage 1...

The Impact of Shear-Wave Splitting on the Imaging of P-S Data

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... splitting analysis of the shallow layer centred on 600ms. The effects of the splitting on this shallow layer were removed from the data, and a subsequent...

Gas Hydrates in Ocean Bottom Sediments

M. K. MacLeod

AAPG Bulletin

.... Theoretical depths to the base of a gas hydrate layer in ocean bottom sediments are determined by assuming: (1) a constant hydrostatic pressure...

Land, Marine and Transition Zone Seismic Operations in PPL 123, Papua New Guinea

Alan G. Fenwick, Robert J. Paul

Papua New Guinea (PNG) Petroleum Convention Proceedings

..., a Low Velocity Layer (LVL) crew capable of recording both refraction and uphole data, was mobilized. The in­ strument used for this survey was a 24...

Basement Reservoir Play Concept and Its Potential in Western Indonesia

M. Nurisman Syarif, M. Reza Pahlevi, Ayyub Shabir Annas

Indonesian Petroleum Association

..., fractures with scale range from microfracture to seismic scale fault). Another type is dissolution porosity, formed by the effects of weathering...

Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)

Peter Manning, Joe Wong, and David Henley

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...). The models include an overburden and a weathered layer with very low P and S velocities and varying thicknesses. The common source gathers of the vertical...

Kinetics of the Opal-CT to Quartz Phase Transition Control Diagenetic Traps in Siliceous Shale Source Rock from the San Joaquin Basin and Hokkaido, #40771 (2011)

Danica Dralus, Kenneth E. Peters, Mike D. Lewan, Oliver Schenk, Michael Herron, and Kunihiro Tsuchida,

Search and Discovery.com

... of the reaction. We determined first-order kinetic parameters for the opal-CT to quartz transition based on hydrous pyrolysis of weathered Monterey...

Siting recharge basins and improving groundwater models using multiple survey methods in Southern California

Nicole Pendrigh, Michael Blazevic, John Jansen, Kristen Marberry

International Meeting for Applied Geoscience and Energy (IMAGE)

... gradients are often observed in soils due to overburden loading and compaction effects. Velocity gradients are also observed at weathered bedrock...

Introduction to Offshore Geologic Hazards: Section 1: PART 1

Arnold H. Bouma

AAPG Special Volumes

... susceptibility to absorption of rain water and/or to dissolution. Such effects under water are probably less severe, unless a weak layer becomes a slide plane...

Abstract: Shear Strength along Foliation Planes in Meta-Rhyolitic Tuff from the Dinding Schist, Kuala Lumpur (P2A-3)

J. I. Nkpadobi, J. K. Raj

Geological Society of Malaysia (GSM)

... Seminar Geosains Kebangsaan 2007 (NGC 07) Universiti Malaysia Sabah, Kata Kinabalu, Sabah 7 - 9 June 2007 shows slightly weathered meta-rhyolitic...

Mapping Thermal Maturity in the Chainman Shale, Near Eureka, Nevada, with Landsat Thematic Mapper Images (1)

LAWRENCE C. ROWAN , MARK J. PAWLEWICZ , and OLIVER D. JONES

AAPG Bulletin

...-infrared (VNIR) wavelength region, VNIR reflectance spectra of fresh and weathered whole-rock sample surfaces were measured in the laboratory. The spectra...

Engineering Geologic Hazards Field Trip

S.R. Wharton

Geological Society of Trinidad & Tobago

... (Fig. 12). The thickness of the weathered rock layer at the scarp is distinctively more exposed than any of the other previous failed slope sections...

Timing of Petroleum System Events Controls Accumulations on the North Slope, Alaska, #30145 (2011)

Kenneth Peters, Oliver Schenk, Kenneth Bird,

Search and Discovery.com

... to difficulty in assessing seismic velocities through permafrost. Drill cuttings showed extensive oil stain in the target formation. The 3D model shows...

Full phase-velocity spectrum inversion of multimode Rayleigh waves

Yanlong Niu, Yunyue Elita Li, Siau Chen Chian

International Meeting for Applied Geoscience and Energy (IMAGE)

.... INTRODUCTION MASW is a cost-effective and non-destructive method to resolve soil layer stratification based on the analysis of Rayleigh or Love waves (Park et...

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... and porosity related attenuation processes. Background For seismic imaging, we cannot separate the effects of attenuation and velocity dispersion. Any...