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The AAPG/Datapages Combined Publications Database

Showing 952 Results. Searched 195,690 documents.

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Seal failure assessment of a major gas field via integration of seal properties and leakage phenomena

M. Foschi, and J. A. Cartwright

AAPG Bulletin

.... The map was constructed using regional two-way traveltime (TWT) profiles. The map was depth converted using an average interval velocity for the seal...

2020

Frequency Attenuation: A Fracture Indicator

Ilyas J. Najmuddin

Houston Geological Society Bulletin

... little direct signature of fractures on a seismic section. Loss of reflection magnitude is one such indicator. Reduction of velocity of the layer...

2001

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

..., as defined by migration velocity analysis. Several wells, with a relative uniform distribution, were tied with the seismic data.Figure 3. Workflow for seismic...

2013

Modelo de Velocidades de Intervalo en Profundidad a partir de la Función de Difracción: Aplicación a Datos Reales [PAPER IN SPANISH] Depth Interval Velocity Model from a Diffraction Function: Application to Real Data

C. A. Ortega Galvis, L. A. Montes Vides

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... gathers and zero offset sections. The diffraction function is estimated from the traveltime function allowing to calculate the interval velocity through...

2004

Stratigraphic Predictions of Continental Margins for the U.S. Navy

James P. Syvitski, Lincoln Pratson, Damian O'Grady

Special Publications of SEPM

... velocity of the upper plug zone respectively Ds and Us are the depth and layer averaged velocity of the lower shear layer respectively g is acceleration...

1999

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... in space. Since velocity usually increases with depth, vertical exaggeration generally decreases with increasing TWT; conversely, horizontal exaggeration...

1991

Three-Dimensional Seismic-Reflection Techniques

Hermann Buchholtz

Circum Pacific Council Publications

... simultaneously. Figure 6 shows a stereographic Figure 6, Single common depth point family (20-fold coverage). 740 3-D SEISMIC-REFLECTION TECHNIQUES view...

1989

A simple method of determining sand/shale ratios from seismic analysis of growth faults: An example from upper Oligocene to lower Miocene Niger Delta deposits

S. Pochat, S. Castelltort, J. Van Den Driessche, K. Besnard, C. Gumiaux

AAPG Bulletin

...) on horizon 30 (see Figure 5); depth is in milliseconds two-way traveltime (modified from Bouroullec, 2002). The studied normal fault is oriented northwest...

2004

Structural Trend Analysis by Axial Surface Mapping: Discussion

Donald S. Stone

AAPG Bulletin

... in Pico Formation based on 3-D depth migration using a "revised velocity field." Fig. 3. Interpreted, north-south, time-migrated seismic profiles...

1996

Subduction in the Remnant Carpathian Flysch Basin

M. Nemčok, L. Pospšil, I. Hrušeck, T. Zsros

AAPG Special Volumes

... of each depth interval have their own characteristic periodicity and different fault-plane solution, traveltime curves, and stress pattern...

2006

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...

2013

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

.... The transformation from depth to two-way time was based on the velocity model used in processing the BSP. The events occurring at 4000 ft, or 1219 m (730...

1987

Multichannel Seismic Operations for CCOP/SOPAC Cruise, Leg 3, Solomon Islands

D. M. Mann

Circum Pacific Council Publications

... is used to isolate the streamer from ship noise. T h e depth of the streamer sections is determined b y pressure-sensitive transduc­ ers in each...

1986

Abstract: Feasibility Testing of Time-lapse Seismic Monitoring with Full Waveform Tomography; #90171 (2013)

Chad Hogan, Ken Hedlin, Gary Margrave, and Michael Lamoureux

Search and Discovery.com

..., University of Calgary Summary Full waveform tomography reveals subtle sub-wavelength perturbations in the velocity model, given a sufficiently...

2013

History of Cenozoic Extension in Central Sevier Desert, West-Central Utah, From COCORP Seismic Reflection Data

Douglas B. Von Tish , Richard W. Allmendinger , James W. Sharp

AAPG Bulletin

... data, from the conversion of traveltime to depth from the COCORP data, and from seismic lines published by McDonald (1976). Velocity functions...

1985

Moho, Basin Dynamics, Salt Stock Family Development, and Hydrocarbon System Examples of the North German Basin Revisited by Applying Seismic Common Reflection Surface Processing

Heinz-Juergen Brink, Dirk Gajewski, Mikhail Baykulov, Mi-Kyung Yoon

AAPG Special Volumes

... [bottom]). A low-velocity zone at greater depth (3.55.5 km [2.23.4 mi]) between the two west-vergent steep faults (x = 6268 km [3942 mi]) is concordant...

2012

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

James Gaiser and Richard Verm

Search and Discovery.com

... include shallow S-wave velocity model building to help PS-wave processing (CMP processing is easier), and S-wave surface-consistent residual statics...

2014

Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

... with little porosity. Use of filtered gravity and magnetic data and potentially seismic velocity analysis can easily delineate and subsequently de-risk...

2007

Argillaceous Rock Compaction and Primary Migration in the Mangnai Depression, Qaidam Basin, China

Chen Heli

Circum Pacific Council Publications

... conditions, the logarithmic values of the abovementioned parameters do not have a linear relation with depth as they do under normal conditions...

1989

Study of Carbonate Reservoirs of the Astrakhan Field by Geophysical Logging

R. Sh. Aliyev

Petroleum Geology: A Digest of Russian Literature

... material and in recognizing permeable thicknesses. The following methods were used to solve these problems. Study of resistivity by inequi-depth...

1979

Abstract: Gas-Hydrates - A Major Future Fuel Of India; #90315 (2017)

Kalachand Sain

Search and Discovery.com

... stability thickness map along the Indian margin has been prepared. This provides the maximum depth of gas-hydrates occurrences, and helps to identify...

2017

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