Continental Margin Off Western Africa: Angola to Sierra Leone

K. O. Emery , Elazar Uchupi , Joseph Phillips , Carl Bowin , Jean Mascle

AAPG Bulletin

... blanket above the irregular basement is a prominent acoustic reflector. Recent drilling by Glomar Challenger (Sites 362, 362A; End_Page 2222...

Sedimentology and Petrophysical Character of Cretaceous Marine Shale Sequences in Foreland BasinsPotential Seismic Response Issues

W. R. Almon, Wm. C. Dawson, F. G. Ethridge, E. Rietsch, S. J. Sutton, B. Castelblanco-Torres

AAPG Special Volumes

.... Schweizerbart'sche, p. 79107.Schowalter, T. T., 1979, Mechanics of secondary migration and entrapment: AAPG Bulletin, v. 63, p. 723760.Schowalter...

Stratigraphy and Structure of Southern Blake Plateau, Northern Florida Straits, and Northern Bahama Platform from Multichannel Seismic Reflection Data

R. E. Sheridan , J. T. Crosby , G. M. Bryan , P. L. Stoffa

AAPG Bulletin

... Providence Channel across DSDP Site 98. Note that apparent offset in prominent reflector at top of Middle Jurassic seismic unit is velocity pull-down effect...

Cross-Sections of the Parry Islands Fold Belt on Melville Island, Canadian Arctic Islands: Implications for the Timing and Kinematic History of Some Thin-Skinned Decollement Systems

Harrison, J.C., Bally, A.W.

CSPG Bulletin

.... Burst, J.F. 1969. Diagenesis of Gulf Coast clayey sediments and its possible relation to petroleum migration. American Association of Petroleum...

Paleosoils as a Correlation Tool in the Marañon Basin

A. Chalco, J. Guevara, J. Chung

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... under the influence of Andean tectonics and, at a lower scale, under the effect of shield tectonics and global eustatic transgressions. The Maranon...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... for most of the data under analysis, i.e. the tuning effect should produce similar changes in the magnitude of the AVO gradient in all CMP locations...

The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and Discovery.com

... to locations where the ORT prestack depth migration has improved the image. Because the azimuthal traveltimes are corrected, the stack can use all...

Chapter 7: Estimating the Thickness of Thin Beds

Tom Wittick

North Texas Geological Society

... thicknesses and peak-to-trough amplitudes from this model are plotted in figure 7-2. Along the X axis is the actual thickness of the sand, and on the Y...

Estimating the Thickness of Thin Beds

Abilene Geological Society

... amplitudes from this model are plotted in figure 7-2. Along the X axis is the actual thickness of the sand, and on the Y axis is the time thickness (peak...

Interval Resistivities and Very Low Frequency Electromagnetic Induction — An Aid to Detecting Groundwater Contamination in Space and Time: A Case Study

Alvin K. Benson, Melissa A. Stubben

Environmental Geosciences (DEG)

... to the environment, and they can be performed at most locations. Electrical resistivity and very low frequency electromagnetic induction data were...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

Search and Discovery.com

Interpolation, PSTM, AVO, and a Thin Gas Charged Viking Shoreface in West Central Alberta; #41555 (2015)

Lee Hunt, Scott Hadley, Mark Hadley, Jon Downton, Bashir Durrani

Search and Discovery.com

... accurate estimate of Phi-H. A coarse 3D geometry led to the need to use a 5D interpolation prior to migration to minimize the migration artifacts that arise...

Heat Flow Estimation from BSR: An Example from the Aru Region, Offshore West Papua, Eastern Indonesia

Bagus Priyanto, Ketil Hokstad, Christian Zwach, Mark Van Schaack, Rune Mjøs, Edo Tri Hartadi, Zuzana Alasonati Tasarova, Kenneth Duffaut

Indonesian Petroleum Association

... and extensive acoustic reflector is visible on seismic data that crosses other reflectors and mimics partially the surface of the seabed...

Long-Range Petroleum Migration in the Illinois Basin: Chapter 26: Part I. Illinois Basin: Oil and Gas Systems

Craig M. Bethke, Jackie D. Reed, Donald F. Oltz

AAPG Special Volumes

...Long-Range Petroleum Migration in the Illinois Basin: Chapter 26: Part I. Illinois Basin: Oil and Gas Systems Craig M. Bethke, Jackie D. Reed, Donald...

The Canaway Fault and its Effect on the Eromanga Basin

J. Pinchin, V. Anfiloff

Petroleum Exploration Society of Australia (PESA)

...The Canaway Fault and its Effect on the Eromanga Basin J. Pinchin, V. Anfiloff 161 THE GANAWAY FAULT AND ITS EFFECT ON THE EROMANGA BASIN J. Pinchin...

Gas Hydrates in Ocean Bottom Sediments

M. K. MacLeod

AAPG Bulletin

..., p. 851. Hein, J. R., et al, 1978, Diagenesis of late Cenozoic diatomaceous deposits and formation of the bottom simulating reflector...

Dome Structure, Atlantic Outer Continental Shelf East of Delaware: Preliminary Geophysical Report

Robert E. Sheridan

AAPG Bulletin

... that a Tertiary reflector surface of probable early Miocene age is involved in the doming. The dome is on the linear East Coast magnetic anomaly trend which has...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

.... of contaminant migration paths) was constructed on the basis of (1997; Hubbard and Rubin, 2000) in which a framework was the inferred locations...

Structure and Stratigraphy of the Blake Escarpment Based on Seismic Reflection Profiles: Rifted Margins

R. E. Sheridan , C. C. Windisch , J. I. Ewing , P. L. Stoffa

AAPG Special Volumes

... shallowing of the prominent Barremian and older reflector can be interpreted a a velocity effect, which appears only on the time section. In depth...

Growth Patterns of Deep-Sea Fans

William R. Normark

AAPG Bulletin

... channels. Rapid aggradation in the suprafan coupled with migration and meandering of the channels produces a surface marked by isolated depressions...

Controls On Lower-Coastal-Plain Valley Morphology and Fill Architecture

C. R. Mattheus, A. B. Rodriguez

Journal of Sedimentary Research (SEPM)

.... The knickzone of small river systems is located down dip from the modern bay-head delta, which is likely due to slower rates of knickpoint migration...

Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico

Jan Stafleu , Mark D. Sonnenfeld

Journal of Sedimentary Research (SEPM)

... higher-frequency sequences or "cycles" are embedded within the larger-scale sequences and are referred to by the circled numbers. Locations...

Baffin Bay: Small Ocean Basin Formed by Sea-Floor Spreading

C. E. Keen , M. J. Keen , D. I. Ross , M. Lack

AAPG Bulletin

... be delineated by gravity and magnetic anomalies. The magnetic anomaly at the transition can be explained as an edge effect. The Sounds of the Arctic...

Triassic Rift Structure in Gulf of Maine

R. D. Ballard , Elazar Uchupi

AAPG Bulletin

... for the samples analyzed ranged from 231 to 407 m.y. When plotted on a map of the region (Fig. 11), they fall into two somewhat distinctive groups, 231...

Reef Development on a Mid-Oceanic Island: Reflection Profiling Studies of the 500-Meter Shelf South of Oahu

Arthur E. Gregory III, Loren W. Kroenke

Circum Pacific Council Publications

... margin in Figure 2 are the Gregory, Kroenke 157 Figure 2 — Bathymetry of 5 0 0 - m shelf south of O a h u , showing locations of H I G ship tracks...