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The AAPG/Datapages Combined Publications Database

Showing 604 Results. Searched 200,616 documents.

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The Deep Crustal Structure of the Wilkes Land Continental Margin

J. R. Childs, H. M. J. Stagg

Circum Pacific Council Publications

... on the seismic-reflection records that were converted to depth using the approximate velocity solutions calculated without the dip correction. T h e...

1987

Geology and Structure of the Ross Sea Region

F. J. Davey

Circum Pacific Council Publications

... that the oldest sediments may be Late Cre­ taceous in age. The velocity-depth profile for the trough generally shows a complex character which may...

1987

Dropstone deposition: Results of numerical process modeling of deformation structures, and implications for the reconstruction of the water depth in shallow lacustrine and marine successions

Małgorzata Bronikowska, Małgorzata Pisarska-Jamroży, A.J. Tom van Loon

Journal of Sedimentary Research (SEPM)

... these parameters influence the final velocity much less than the water depth, so that it seems unjustified to go into detailed calculations...

2021

The Influence of Exhumation on Petroleum Prospectivity in the Sedimentary Basins of WA

P. F. Green, I. R. Duddy

Petroleum Exploration Society of Australia (PESA)

... logs (e.g. Japsen, 1997, 1998, 2000). The offset of measured sonic velocity at a given depth from a reference trend based on wells now...

2013

Sediments of the North Sea

K. Lüders

Special Publications of SEPM

...). The decrease in velocity with depth, however, is more rapid than out to sea, and near the bottom even at the time of strongest currents, the current has...

1955

Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming

Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson

Wyoming Geological Association

... and depth. Abnormally high and low velocity excursions due to factors such as borehole irregularities, cycle skipping, and intermittent sticking...

1989

The Influence of Proterozoic Structures on the Development of Laramide Structures, Northern Interior Plains, Northwest Territories, Canada

B.C. MacLean, D.G. Cook

CSPG Bulletin

.... Geophysical Note: A velocity model for the Proterozoic section was required for depth conversion purposes but determination of seismic velocities...

1992

Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana

Fred F. Meissner

AAPG Special Volumes

... in the transit time/velocity vs. depth plot. The "shallow trend" shows little scatter and depicts a normal slight increase of velocity with depth related...

1984

Petrology and Diagenetic History of Deltaic Litharenites, Oligocene Kugmallit Sequence, Beaufort-Mackenzie Basin, Arctic Canada

Franz W. Nentwich, Raymond W. Yole

CSPG Bulletin

... be obtained from studies of the interstratified mudstones. Diagenesis in these mudstones was believed to account for four sonic velocity/depth zones (Van...

1997

Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys

Murray E. Close, David C. Nobes, Liping Pang

Special Publications of SEPM

... to estimate the variations in the radar velocity with depth. This allowed us both to convert the TWT to an approximate depth, and also to determine what...

2004

Diagnosing Fracture Stimulation Effectiveness: A Case Study of the Marcellus Shale Energy and Environmental Lab (MSEEL)

Rob Bohn, Sergei Parsegov

Unconventional Resources Technology Conference (URTEC)

... pressure, the Eaton equation is used to examine the linear relationship that should exist between sonic compressional wave velocity and depth. Deviations...

2020

A New Pore Pressure Prediction Model for Naturally Fractured Shales and Stacked Plays: The Effect of Active Hydrocarbon Generation - A Powder River Basin Case Study

Daniel Orozco, Roberto Aguilera

Unconventional Resources Technology Conference (URTEC)

... but not all of the porosity loss/velocity gain is permanent. Therefore, if for some reason the effective stress at depth is reduced, the sonic velocity...

2021

Flood Deposits, Bijou Creek, Colorado, June 1965

E. D. McKee, E. J. Crosby, H. L. Berryhill, Jr.

Journal of Sedimentary Research (SEPM)

..., and Nordin, 1965, p. 35-37). No direct measurements of velocity or depth of water were available for this locality. Computations made on East Bijou Creek...

1967

The Environmental Significance of Cross Stratification Parameters in an Upper Carboniferous Fluvial Basin

Gilbert Kelling

Journal of Sedimentary Research (SEPM)

... unit thickness and both flow velocity (Brush, 1958) and the depth of water in the depositional environment (Allen, 1963a). Although other factors...

1969

Chapter 11: Fractal Dimension and Seismotectonic Deformation Rates along an Inter-plate Setting: Seismic Regime along the Caribbean Plate Boundary Zone

Juan M. Salazar, Carlos A. Vargas

AAPG Special Volumes

... with the velocity vectors obtained by GPS observations (red arrows) and collected by UNAVCO (2014). 10 km (6.2 mi) For depth ranges between 40 km (24.8 mi) and 80 km...

2015

Representation of Bed Configurations in Depth-Velocity-Size Diagrams

John B. Southard

Journal of Sedimentary Research (SEPM)

...Representation of Bed Configurations in Depth-Velocity-Size Diagrams John B. Southard 1971 Vol. 41 No. 4. (December), Use of depth and mean velocity...

1971

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... by the slow decrease in the velocity gradient with depth. The other class of abnormal pressure mechanisms is not associated with the compaction process...

2001

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

... with arrows).The combination of the 3-D seismic data and the well data to make a depth map has revealed a very good relationship of velocity to depth...

2004

Methane-hydrate Occurrence and Distribution in the Eastern Nankai Trough, Japan: Findings of the Tokai-oki to Kumano-nada Methane-hydrate Drilling Program

Y. Tsuji, T. Fujii, M. Hayashi, R. Kitamura, M. Nakamizu, K. Ohbi, T. Saeki, K. Yamamoto, T. Namikawa, T. Inamori, N. Oikawa, S. Shimizu, M. Kawasaki, S. Nagakubo, J. Matsushima, K. Ochiai, T. Okui

AAPG Special Volumes

...] of drilling). The two-way traveltime curve provided a good control for the depth conversion of seismic data. It helped in the interval velocity analysis...

2009

Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand

Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher

AAPG Special Volumes

...) (4921 and 11,483 ft/s). CDP = common depth point, TWT = two-way traveltime. 1 km = 0.6 mi.FIGURE 7. Three representative velocity distributions across...

2009

Deep Sea Carbonates: Acoustic, Physical, and Stratigraphic Properties

Larry A. Mayer

Journal of Sedimentary Research (SEPM)

..., C. L., 1957, Variation with depth in shallow and deep water marine sediments of porosity, density and the velocity of compressional and shear waves...

1979

Deep-Sea Channels, Topography, and Sedimentation

Henry W. Menard, Jr.

AAPG Bulletin

... ocean currents with a significant southerly velocity at a depth of at least 3,000 meters and the California Current is negligible at a depth of only...

1955

Paleochannel Patterns Inferred From Alluvial Deposits: A Critical Evaluation Perspective: PERSPECTIVE

John S. Bridge

Journal of Sedimentary Research (SEPM)

... on the higher parts of bars where velocity and depth are relatively diminished, and upper-stage plane beds occur locally in shallow areas of high velocity...

1985

Bathymetry and Faults of Gulf of California

Gene A. Rusnak , Robert L. Fisher , Francis P. Shepard

AAPG Special Volumes

... of such corrections. FOOTNOTE 6. With the temperature-salinity-pressure conditions prevailing at depth in the Gulf, the true sounding velocity ranges from...

1964

Coaxial Stretching or Lithospheric Simple Shear in the North Sea? Evidence from Deep Seismic Profiling and Subsidence: Chapter 33: North Sea and Barents Shelf

Simon L. Klemperer, Nicky White

AAPG Special Volumes

...). (a) True-scale depth migration, prepared using the program of Raynaud (1988). Sedimentary-rock velocities obtained from well logs; constant basement velocity...

1989

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