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The AAPG/Datapages Combined Publications Database

Showing 62,993 Results. Searched 195,354 documents.

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Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

... the areal and vertical distributions of reservoir and sealing units are measured as functions of seismic traveltime, not as functions of depth...

1992

Wave-Formed Sedimentary Structures„A Conceptual Model

H. Edward Clifton

Special Publications of SEPM

... parameters used however are controlled by wave characteristics and water depth By using calculations based on wave theory it is possible to estimate...

1987

Abstract: Gabbros, metagabbros and waves in the continental crust

Chuck Hurich, Aphrodite Indares, Sharon Deemer

Atlantic Geology

... a role in increasing velocity with depth, metamorphic grade plays the dominant role in the middle and lower crust. Reflectivity models generated using...

1998

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...

2013

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

... the records have had standard NMO applied using their appropriate stacking velocity functions and show the far trace stretch between 2000 to 2300 msecs...

1986

The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem

Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin

Indonesian Petroleum Association

... accurate velocity estimation are Thomsen’s parameter (delta and epsilon), CIP Pick (RMO), Dip Estimation and Tomography (CIP Diff and Z tomo...

2018

Reservoir vs. Seal Pressure Gradients: Calculations and Pitfalls; #41298 (2014)

Selim Simon Shaker

Search and Discovery.com

..., and SL.). Using the hybrid psi-ppg mwe vs. depth plot to exhibit the PP in reservoirs lead to erroneous calculations. Geopressure modeling...

2014

Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... problem. Its effective application is limited to updating shallow models using low-frequency data, as diving waves have limited penetration depth...

2023

Quantitative Assessment of Hydrocarbon Charge Risk in New Ventures Exploration: Are We Fooling Ourselves?

Noelle B. Schoellkopf

AAPG Special Volumes

... at several well locations across the basin. As shown in Figure 5, the effect of this first velocity model on the depth maps was to create a dip...

2012

2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore

W. J. Jankowsky and G. Schlapak

AAPG Special Volumes

... to depth (Figure 7). The monoclinal "ramp" underneath the carbonate shelf edge disappears; the top of the base ment and the overlying strata now dip gently...

1983

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

... functions can be used to build a depth velocity model for pre-stack and post-stack depth migration. Acknowledgements I would like to thank Valentina...

2015

A Simple Guide to Volumetrics

Ashley Francis

GEO ExPro Magazine

... with which it can be directly measured. Instead, GRV is estimated indirectly, using a top structure depth map and knowledge of (or assumption about...

2015

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... decreases with depth, and hence resolution deteriorates with depth. At 10,000-15,000-ft (3,000-4,500 m) depth, velocity may be in the 12,000-20,000 ft/sec...

1976

Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)

Andrew C. Newson

Search and Discovery.com

... improvement, and the definition of robust velocity functions. This was followed by the Kirchhoff PSTM. (Geosystems, 2006). Pre Stack Depth Migration...

2017

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

... and 3m depth interval) using this velocity model showed substantial improvements in imaging with sharper fault definition, increased event continuity...

2012

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... primary reflection events (Fig. 4 A ) . To overcome this problem, the velocity analysis was enhanced by first dip-filtering the CDP-gathered data using...

1987

Mainstream Mantle Convection: A Geologic Analysis of Plate Motion

T. H. Nelson , P. G. Temple

AAPG Bulletin

...). Using our chosen values for the maximum mainstream velocity and velocity gradient, we have calculated (equation 1) that the depth to the base...

1972

North West Shelf 3D Velocity Modeling

Laureline Monteignies, Cedric Magneron, Natalia Gritsajuk

Petroleum Exploration Society of Australia (PESA)

... available were: • • • • 108 3D seismic velocity data sets 130 2D velocity data sets 889 wells with time-depth functions 5 regional interpretation...

2016

Abstract: Seafloor Morphology and Processes Active in Offshore: Anthropogenic Implications of Mass Failure Processes

Lorena Moscardelli, Lesli .J. Wood, and Dallas Dunlap

Search and Discovery.com

...-up height above the slide event can be easily calculated using the thickness of the slide and the water depth at which the failure occurs (assuming...

2008

ABSTRACT: Pre-Stack Depth Migration and the Imaging of Complex Structures in the Wyoming Thrust Belt

Richard Postma

Wyoming Geological Association

..., will image the next horizon at the correct depth. The model derivation method will be shown using water tank model data. A few overthrust lines will be shown...

2001

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

... computer derivation and applications of velocity functions: Geophysics, v. 34, p. 859-881. Taylor, P. T., I. Zietz, and L. S. Dennis, 1968, Geologic...

1979

Fault Mapping and Reservoir Characterization from Amplitude and Dip/Azimuth Extraction in Ship Shoal 274/293 Field

Christopher S. Kulander, Joel S. Watkins

GCAGS Transactions

... of the producing intervals with velocity data from sonic logs suggests that the throw of these faults is 15-25 m. Electric log and dip variations observed...

1998

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