A Geomaterials Approach to Fault-Zone Characterisation; #41693 (2015)

Gary D. Couples, Helen Lewis, Elma Charalampidou, Jingsheng Ma, Antonio Zamarron

Search and Discovery.com

.../Location 4D Acoustic Emission location Source type analysis Hypocenter location Zang et al. 1998  Assumption of a velocity model  Automatic picking...

New insights into deformation mechanisms in the gravitationally driven Niger Delta deep-water fold and thrust belt

Dominic Maloney, Richard Davies, Jonathan Imber, Simon Higgins, Stephen King

AAPG Bulletin

... converted (Figure 5). To depth convert from two-way traveltime (TWT) into meters, we used 1480 ms1 for the velocity of water and extrapolated interval...

Three-Dimensional Geometry and Kinematics of the Gale-Buckeye Thrust System, Ouachita Fold and Thrust Belt, Latimer and Pittsburg Counties, Oklahoma

M. Scott Wilkerson , Paul C. Wellman

AAPG Bulletin

... substantial lateral velocity changes occur in the study area and that the time-migrated seismic lines effectively mirror depth sections. Interpretation...

Foreland Basement-Involved Structures: Discussion1

Donald S. Stone

AAPG Bulletin

..., and the identification and true-depth imaging of these reflections are seldom attempted by the oil industry because of poor velocity control and general disinterest...

Chapter 17: Pleistocene to Holocene Sedimentary Evolution of the North Coast Marine Area, Offshore Trinidad

Stefan Punnette, Lesli Wood, Paul Mann

AAPG Special Volumes

... include a composite 3-D seismic volume, which covers approximately 1400 km2 (870 mi2) of the shelf and extends to a depth of 2 sec of two-way traveltime...

Recent Advances in Marine Acquisition Technology and their Application to Basins Off Shore South America

Peter Watterson, Rob Ross, Steve Whidden

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... bandwidth and signal-to-noise ratio for a target depth or twoway traveltime, often at the expense of other shallower or deeper objectives. An over/under...

Figures

Search and Discovery.com

Abstract: Stratal Slicing and Seismic Facies Imaging, by H. Zeng and N. Tyler; #90937 (1998).

Search and Discovery.com

ABSTRACT: Converted Shear-Wave Anisotropy Attributes for Fractured-Reservoir Management; #90013 (2003)

JAMES E. GAISER, RICHARD R. VAN DOK

Search and Discovery.com

... with the engineering data. P-wave AVO/AVA and azimuthal velocity anisotropy analyses can be important for inferring fracture properties (e.g., Hall et al., 2000...

Interaction between sea-level changes and depositional tectonics: Implications for hydrocarbon prospectivity in the western coastal swamp depobelt, Niger Delta Basin, Nigeria

Ovie B. Ogbe, Ifeanacho P. Orajaka, Jerry Osokpor, Tuviere Omeru, and Sunday E. Okunuwadje

AAPG Bulletin

... is approximately equivalent to depth (D)where e = mathematical exponential, TWT = two-way traveltime, and Vint = interval...

Impact of arid surface megacracks on hydrocarbon reservoir properties

Philipp Antrett, Anna Alexandra Vackiner, Peter Kukla, Norbert Klitzsch, Harald Stollhofen

AAPG Bulletin

... with a mean value of 3. The maximum measured crack depth is 1 m (3 ft); the maximum width recognized at a triple junction is 2.5 m (8.2 ft). A linear...

Pleistocene shelf-margin delta: Intradeltaic deformation and sediment bypass, northern Gulf of Mexico

Grigoriy Perov, Janok P. Bhattacharya

AAPG Bulletin

... in this research is limited to 1-s two-way traveltime. Seismic velocities of 1550 m/s were used to convert two-way traveltimes into depth units (Wellner...

1.2 Seismic Stratigraphy: 1.2.1 High Resolution Profiles: Slump Structures on the Outer Continental Margin of Southwestern Africa

R. V. Dingle

AAPG Special Volumes

... slumped masses from seismic profiles. In the following account of the seismic profiles A-C, vertical scales are shown in seconds of traveltime (two-way...

Regional structural setting and evolution of the Mississippi Canyon, Atwater Valley, western Lloyd Ridge, and western DeSoto Canyon protraction areas, northern deep-water Gulf of Mexico

Renaud Bouroullec, Paul Weimer, and Olivier Serrano

AAPG Bulletin

... depth ranges from 5.5 to 10.7 s two-way traveltime (TWTT; Figure 7). The northeastern part of the study area has the shallowest basement with a gentle...

Chapter 23: Crustal Structure and Geologic History of the Espino Rift, Venezuela, Based on Potential Fields, Seismic Reflection, and Well Data

Lourdes Rodriguez, Paul Mann, Stuart Hall

AAPG Special Volumes

... ft) as interpreted from gravity transects B and C (Figures 8, 9). A combination of a depth estimate from velocity information compiled in Figure 5...

A Case Study of Three-dimensional Fold and Growth Sequence Development and the Link to Submarine Channel-structure Interactions in Deep-water Fold Belts

Ian R. Clark, Joseph A. Cartwright

AAPG Special Volumes

...-way traveltime contours spaced at 10 ms intervals. Submarine channel systems sourced from the Nile to the southwest are affected by strike-slip fault...

Uncertainty Analysis in Well-Log and Petrophysical Interpretations

William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton

AAPG Special Volumes

..., or is caused by highly laminated intervals. All these possible explanations must be considered in a petrophysical analysis. A simple linear regression...

Stratigraphic controls on a salt-withdrawal intraslope minibasin, north-central Green Canyon, Gulf of Mexico: Implications for misinterpreting sea level change

Andrew S. Madof, Nicholas Christie-Blick, Mark H. Anders

AAPG Bulletin

.... 46, p. 119142, doi:10.1016/0031-0182(84)90030-0.Bevc, D., M. M. Fliedner, A. M. Popovici, and B. Biondi, 2003, Optimal velocity models for wavefield...

Mapping sediment-dispersal patterns and associated systems tracts in fourth- and fifth-order sequences using seismic sedimentology: Example from Corpus Christi Bay, Texas

Hongliu Zeng, Robert G. Loucks, L. Frank Brown Jr.

AAPG Bulletin

... data are available. With increased depth, seismic frequency decreases, and seismic velocity increases, leading to reduced resolution, and seismic noise...

Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)

Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods

Search and Discovery.com

... such as known velocity field and generating horizons. Adaptive subtraction is employed to match the predicted model with the internal multiples present...

Mozambique Upper Fan: Origin of Depositional Units

L. Droz, D. Mougenot

AAPG Bulletin

... down-stream region, with a north-south channel flanked by thick (1.5 sec two-way traveltime) asymmetric levees, and a migrating upstream region where...

Induced seismicity risk management: The problem of disappearing faults

Doyle R. Watts, Ernest C. Hauser, Mohammad Mohshin, and David F. Dominic

AAPG Bulletin

... reflections and determining velocity versus depth using the time-squared versus offset-squared method (Reynolds, 2011). The work tested various...

Geophysical characterization of a nonaqueous-phase liquidcontaminated site

Alberto Godio, Alessandro Arato, Stefano Stocco

Environmental Geosciences (DEG)

.... The almost saturated top soil (Sw = 0.75) was characterized by a wave velocity of 0.07 m/ns (0.23 ft/ns) (depth 00.5 m [01.8 ft]); the wave velocity...

Advanced Seismic-stratigraphic Imaging of Depositional Elements in a Lower Cretaceous (Mannville) Heavy Oil Reservoir, West-central Saskatchewan, Canada

Sabrina E. Sarzalejo Silva, Bruce S. Hart

AAPG Special Volumes

.... J., and B. S. Hart, 2001, Case history: Comparison of linear regression and a probabilistic neural network to predict porosity from 3-D seismic...

Understanding the Deformation of the Naga Thrust Triangle Zone, NE India, Using Structural Modeling of 2D Seismic Data; #50822 (2013)

B. Michael, C. M. Burberry, P. Jaiswal, S. Rath, S. N. Singh, and G. Barali

Search and Discovery.com

... with a combination of traveltime inversion and prestack depth migration (PSDM). An improved image was acquired from a combination of multiscale waveform...