Shelf-edge deltas along structurally complex margins: A case study from eastern offshore Trinidad

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

AAPG Bulletin

... tracts. TWTT = two-way traveltime; LST = lowstand systems tract; HST = highstand systems tract; TST = transgressive systems tract; mfs = maximum...

Seismic stratigraphy of a Lower Cretaceous prograding carbonate platform (Oman) and implications for the eustatic sea-level curve

Emmanuel Dujoncquoy, Carine Grélaud, Philippe Razin, Patrice Imbert, Frans van Buchem, Gérard Dupont, and Arnaud Le Bec

AAPG Bulletin

... clinoforms. This type of map reveals the successive paleogeomorphologies of the studied interval. TWT = two-way traveltime; 3D = three...

Carbonate Platform to Basin Transitions on Seismic Data and in Outcrops: Great Bahama Bank and the Maiella Platform Margin, Italy

Gregor P. Eberli, Flavio S. Anselmetti, Christian Betzler, Jan-Henk Van Konijnenburg, Daniel Bernoulli

AAPG Special Volumes

...). The transparent to chaotic seismic facies is approximately 2 s two-way traveltime (TWT) or 5 km thick. It overlies a group of regional high...

Progress in Laboratory Studies of Gas Hydrate in Porous Media at the Geological Survey of Canada

J. F. Wright, S. R. Dallimore

AAPG Special Volumes

... of propagation (V) of the pulse is a function of the line length (L) and the traveltime (t) of the pulse along the line length:where V is the velocity (m/ns...

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

J. Andrew May , Daryl R. Eyles

AAPG Bulletin

... traveltime log correlations, and techniques described by Payton (1977). The correlations are quite good except for the 9.8 Ma sequence boundary...

Seismic Stratigraphy and Facies of Continental Slope and Rise Seaward of Baltimore Canyon Trough

John S. Schlee , Karl Hinz

AAPG Bulletin

... continental slope, outer shelf, and upper rise. Top segment is time-scaled section of actual profile. Vertical axis is two-way traveltime in seconds...

Testing a Seismic Interpretation of Great Bahama Bank with a Computer Simulation

Gregor P. Eberli , Christopher G. St. C. Kendall , Phil Moore , Gregory L. Whittle , Robert Cannon

AAPG Bulletin

... of unmigrated, multichannel seismic profiles. The top 1.7 s (two-way traveltime) were accessible for the initial study of a cross-bank profile located...

Intracontinental Rifting and Inversion: Missour Basin and Atlas Mountains, Morocco

Weldon Beauchamp , Muawia Barazangi , Ahmed Demnati , Mohamed El Alji

AAPG Bulletin

... present to 7 s two-way traveltime. Paleozoic structures are present on several lines in the basin. Wells drilled in the Missour basin did...

High-Frequency Depositional Sequences and Stratal Stacking Patterns in Lower Pliocene Coastal Deltas, Mid-Norwegian Continental Shelf

Sverre Henriksen , Paul Weimer

AAPG Bulletin

.... See Figure 2 for location of profile. TWT = two-way traveltime. End_Page 1872------------------------------ margin at 67°45^primeN southward to 66...

Integrating 3-D seismic data, field analogs, and mechanical models in the analysis of segmented normal faults in the Wytch Farm oil field, southern England, United Kingdom

Simon A. Kattenhorn, David D. Pollard

AAPG Bulletin

... than the maximum depth of good seismic resolution (~1250 ms two-way traveltime, or about 1750 m depth), preventing fault characterization below...

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

... at 30004000 ms two-way traveltime. However, an analysis of horizon misties indicates that the uncertainty associated with the vertical positions...

MesozoicCenozoic evolution of North Atlantic continental-slope basins: The Peniche basin, western Iberian margin

Tiago M. Alves, Carlos Moita, Frode Sandnes, Tiago Cunha, Jos H. Monteiro, Luis M. Pinheiro

AAPG Bulletin

... fault. The northernmost sector 1 is filled by TriassicAptian (prebreakup) sequences, reaching more than 3.5 s two-way traveltime (TWTT) in thickness...

Fault framework and kinematic evolution of inversion structures: Natural examples from the Neuquen Basin, Argentina

Gabriel O. Grimaldi, Steven L. Dorobek

AAPG Bulletin

... Group (0400 ms two-way traveltime [TWT]; Figure 4).Fault DevelopmentFault Framework for SBS and ATSThe structural framework that developed...

Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences

Martino Foschi, Joseph A. Cartwright, and Frank J. Peel

AAPG Bulletin

... fill. The data less than 4s two-way traveltime (TWT) were truncated for confidentiality reasons and were not available for the study.The seismic...

Lacustrine carbonate platforms: Facies, cycles, and tectonosedimentary models for the presalt Lagoa Feia Group (Lower Cretaceous), Campos Basin, Brazil

M. C. Muniz, and D. W. J. Bosence

AAPG Bulletin

...; TWT = two-way traveltime. Figure 4. Northwest to southeast seismic section in time indicating units mapped within the southern Campos Basin...

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

...)where φ is porosity, Cp is a correction factor, Δt is sonic traveltime (μs/ft), Δtfl is fluid transit time (189 μs/ft), and Δtma is the matrix...

A review of producing fields inferred to have upslope stratigraphically trapped turbidite reservoirs: Trapping styles (pure and combined), pinch-out formation, and depositional setting

Lawrence A. Amy

AAPG Bulletin

... Ghana) (from Martin et al., 2015; image courtesy of CGG Multi-Client and New Ventures). TWT = two-way traveltime. Although there has been a more...

Geology of the Johan Sverdrup field: A giant oil discovery and development project in a mature Norwegian North Sea basin

Signe Ottesen, Brit Selvikvåg, Anthony S. J. Scott, Renata Meneguolo, Alex Cullum, Alejandro Amilibia-Cabeza, Mario Vigorito, Andreas Helsem, and Ole J. Martinsen

AAPG Bulletin

... Basin). TWT = two-way traveltime; Unc. = Unconformity. The Utsira high area has a prolonged multirift history beginning in the Devonian...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... Traveltime Refraction Model We performed a 2-D, outcrop-based, P-wave refraction traveltime modeling to predict the tomogram responses and assess...

Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept

Sam Rivas-Dorado

AAPG Bulletin

... = two-way traveltime. The folds in the centralwestern part of the section were used to test the inverse line concept (red square in Figure 9B...

Hydrocarbon-charge history of hydrothermally altered reservoirs: The Tailai gas field, eastern Sichuan Basin, China

Yanxian Zhu, Zhiliang He, Xiaowen Guo, Tiago M. Alves, Xuesong Lu, Sheng He, Jian Gao, Ze Tao, Huili Li, and Shuangjian Li

AAPG Bulletin

... depicting the geometry of the No. 15 fault system in the study area. (A) The time slice (two-way traveltime [TWT] = −2505 ms) of variance cube of 3-D...

GEO 2018; - Abstracts, #90319 (2018).

Search and Discovery.com

Compaction and the Dynamics of Carbonate-Platform Development: Insights from the Permian Delaware and Midland Basins, Southeast New Mexico and West Texas, U.S.A

David Hunt, William M. Fitchen

Special Publications of SEPM

... Consequently the deposi tional platform margins of sequences 3 5 are positioned deeper on distinctive the seismic section in two way traveltime...

Geology and Petroleum Potential of the Southeast Alaska Continental Margin

T. R. Bruns, P. R. Carlson

Circum Pacific Council Publications

... for converting two-way traveltime to depth on the seismic-reflection data was determined from stacking velocities obtained during processing...

Structural and stratigraphic control on the migration of a contaminant plume at the P Reactor area, Savannah River site, South Carolina

Antonio E. Cameron Gonzalez, Camelia C. Knapp, Michael G. Waddell, Adrian D. Addison, John M. Shafer

Environmental Geosciences (DEG)

... collected at the site (Figure 7). From the CMP survey, the EM velocity increases from 0.08 m (0.26 ft)/ns at 50 ns two-way traveltime (TWTT) to 0.09 m (0.29...