The response of turbidite slope channels to growth-induced seabed topography

Mike Mayall, Lidia Lonergan, Andrew Bowman, Stephen James, Keith Mills, Tim Primmer, Dave Pope, Louise Rogers, Roxanne Skeene

AAPG Bulletin

... on passive margins with high sediment input and underlain by salt and mobile shale are gravity driven: upslope extension detaching at depth on a mobile...

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Seismic sedimentology of a broad, low-relief carbonate platform: The Cambrian Longwangmiao Formation, Moxi–Gaoshiti area, Sichuan Basin, China

Wenzhi Zhao, Hongliu Zeng, Zhaohui Xu, Suyun Hu, and Qilong Fu

AAPG Bulletin

...-ray (left) and velocity curves (right). LWM = Longwangmiao Formation; P base = Permian base; Seq. = Sequence. Figure 5. Two-way traveltime structural...

Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)

William J. Vetter

Search and Discovery.com

... between paired points on the wave surfaces and their ansatz-front-normal velocity representation surfaces. From traveltime ansatz to regime rays...

Standard Interpretation: Part 4. Wireline Methods

Mark Alberty

AAPG Special Volumes

... may measure the interval traveltime of the flushed zone or of the unaltered formation depending upon the depth of invasion and the relative...

Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin

M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg

AAPG Special Volumes

... and modeling the frequency dependence of the BSR (Chapman et al., 2002), determining detailed interval velocity-depth profiles (Yuan et al., 1996), determining...

Deep structure of the Mrida Andes and Sierra de Perij mountain fronts, Maracaibo Basin, Venezuela

Leonardo Duerto, Alejandro Escalona, Paul Mann

AAPG Bulletin

... and sparse seismic velocity information, our interpretations were done on time sections instead of on depth-converted sections. Future time-depth conversions...

Structure and Stratigraphy of the Hope Basin, Southern Chukchi Sea, Alaska

Ralph B. Tolson

Circum Pacific Council Publications

... and/or kilometers below sea level. Conversions from time to depth are made by using the time-depth curve constructed from stacking-velocity-derived...

Basin Evaluation Using Burial History Calculations: an Overview

T. M. Guidish , C. G. St. C. Kendall , I. Lerche , D. J. Toth , R. F. Yarzab

AAPG Bulletin

... interpreted seismic sections that have had two-way traveltime converted to depth and have been tied to the wells. Burial history and thermal history...

Evolution of stratigraphic sequences in multisegmented continental rift basins: Comparison of computer models with the basins of the East African rift system

Juan Contreras, Christopher H. Scholz

AAPG Bulletin

...), and interactions at depth and along strike of normal faults (C. H. Scholz and Contreras, 1998; Gupta and Scholz, 2000). Stratigraphic observations documented...

Regional Sedimentation Patterns Along the Northern Melanesian Borderland

Thomas M. Brocher, Sugiarta Wirasantosa, Fritz Theyer, Chris Mato

Circum Pacific Council Publications

... by the interval velocities. The resulting velocity-depth columns for the various sonobuoy loca­ tions (shown in Figure 7) are compared REGIONAL SEDIMENTATION...

Bryant Canyon Fan System: An Unconfined, Large River-Sourced System in the Northwestern Gulf of Mexico

Gwang H. Lee , Joel S. Watkins , William R. Bryant

AAPG Bulletin

... of study area (modified from Lee et al., 1989). Areas not underlain by salt and with depth of salt greater than 4 s two-way traveltime are shown...

Well Log and Seismic Character of Tertiary Terumbu Carbonate, South China Sea, Indonesia

J. Andrew May , Daryl R. Eyles

AAPG Bulletin

... limestone that causes a prominent seismic reflector. Porosity in the platform is controlled by depth of burial, sea level fluctuations...

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... a diverse set of functional forms that relate velocities and fluid pressures, using in addition to seismic velocity, predictive variables like porosity, depth...

Predicting Waterflood Behavior by Simulating Earth Models with No or Limited Dynamic Data: From Model Ranking to Simulating a Billion-Cell Model

Joseph Hovadik, David Larue

AAPG Special Volumes

...) or an approximation to the velocity of the advancing waterfront (obtained by solving the Darcy equation for a single pressure step).In the cases considered here...

Integrated Rock-Log Calibration in the Elmworth Field - Alberta, Canada: Well Log Analysis Methods and Techniques: Part II

R. W. Hietala, E. T. Connolly

AAPG Special Volumes

... section. Porosity, water saturation, and depth were used to mak empirical estimates of gas-flow rate, and these rates were calibrated against drill-stem...

Diagenetic and Seismic Concerns Associated with Interpretation of Deeply Buried Mobile Shales

R. J. Day-Stirrat, A. McDonnell, L. J. Wood

AAPG Special Volumes

... depth migration can account for strong velocity variations across fault planes. Prestack depth migration can be used along with traveltime tomography...

Abstract: High-resolution Automatic Microseismic Source Detections; #90187 (2014)

Stephen K. Chiu, Ulrich Zimmer, and Michael Davidson

Search and Discovery.com

... along a given traveltime curve over all receivers to yield a stacked image: N I (x, y, z)   t2  Dj ( x, y, z, t(i)), j1 i t1 where I...

Petroleum systems of the Simeulue fore-arc basin, offshore Sumatra, Indonesia

Rudiger Lutz, Christoph Gaedicke, Kai Berglar, Stefan Schloemer, Dieter Franke, Yusuf S. Djajadihardja

AAPG Bulletin

...). Interpreted BSRs were converted from TWT to depth (DBSR) using a velocity profile derived from wide-angle reflection seismic data in the southern Simeulue...

Relationship between fractures, fault zones, stress, and reservoir productivity in the Suban gas field, Sumatra, Indonesia

Peter Hennings, Patricia Allwardt, Pijush Paul, Chris Zahm, Ray Reid Jr., Hugh Alley, Roland Kirschner, Bob Lee, Elliott Hough

AAPG Bulletin

... depth; RHOB = density (in grams per cubic centimeter); DT = sonic traveltime (in microseconds per foot); GR = gamma ray (API); PE = photoelectric...

Early Tertiary sinistral transpression and fault reactivation in the western Vring Basin, Norwegian Sea: Implications for hydrocarbon exploration and pre-breakup deformation in ocean margin basins

J. Imber, R. E. Holdsworth, K. J. W. McCaffrey, R. W. Wilson, R. R. Jones, R. W. England, G. Gjeldvik

AAPG Bulletin

... two-way traveltime (about 8700-m [28,543-ft] depth) and is not imaged by the existing 3-D seismic data.SummaryThe cross faults extend the bedding...

Devonian--Carboniferous Tectonics and Basin Deformation in the Cabot Strait Area, Eastern Canada

George S. Langdon, Jeremy Hall

AAPG Bulletin

... with the bend in the Appalachian orogenic belt known as the St. Lawrence Promontory. Under the Cabot Strait two linear grabens parallel the major fault trends...

Early Late Cretaceous to Holocene Seismic Stratigraphy and Geologic History of Southeastern Gulf of Mexico

David M. Angstadt , James A. Austin, Jr. , Richard T. Buffler

AAPG Bulletin

... of this traveltime using stacking velocities from each of five common-depth-point groups within 3 km of the well site yields an average of 284 ± 18 m (932 ± 59 ft...

Geometry and Tectonics of Early Tertiary Triangle Zones, Northeastern Eagle Plain, Yukon Territory

Larry S. Lane

CSPG Bulletin

.../s seismic velocity for the Mesozoic section. The present depth to the top of the Lower Cretaceous unit at Figure 5. Map of northeastern Eagle Plain...