Reconstruction of Allochthonous Salt Emplacement from 3-D Seismic Reflection Data, Northern Gulf of Mexico

Robert D. Walters

AAPG Bulletin

..., below which velocity and density are nearly constant with depth. Two-way traveltime scale was constructed from depth-to-time conversion of sonic log...

Porosity Distribution in Wolfcamp Strata, Palo Duro Basin, Texas Panhandle: Implications for Deep-Basin Ground-Water Flow: ABSTRACT

R. D. Conti, P. Wirojanagud

AAPG Bulletin

... and sonic (interval traveltime) responses. Log-derived average-porosity distributions yield information about effective pore volume (i.e., movable...

ABSTRACT: Fracture Detection by P and C Wave Anisotropy from Multi-Offset VSP; #90051 (2006)

JOHN Owusu, Qinglin Liu, Jaafar Alnemer

Search and Discovery.com

... for the fracture characterization including: 4C-pseudo Alford rotation method, C-wave hodogram, and P wave traveltime analysis. Analysis of the P-wave...

Abstract: Computing Gridded Traveltimes from the Random Locations of Three Known Points; #90211 (2015)

John Bancroft and Xiang Du

Search and Discovery.com

... [email protected] and Xiang Du University of Calgary, Calgary, Alberta, Canada Abstract Gridded traveltimes are an integral part of Kirc hhoff depth...

Fracture Detection by P and C Wave Anisotropy from Multi-Offset VSP

Search and Discovery.com

Aspects of Reservoir Geology and Production Behavior of Sirikit Oil Field, Thailand: an Integrated Study Using Well and 3-D Seismic Data

S. Flint , D. J. Stewart , T. Hyde , E. C. A. Gevers , O. R. F. Dubrule , E. D. Van Riessen

AAPG Bulletin

... that blue = low traveltime (thin sequence) and green and red = greater traveltime (thicker sequence). Positions of wells shown. Map covers approximate area...

Shelf-Fed Turbidite System Model and its Application to the Oligocene Deposits of the Campos Basin, Brazil

Wagner Elias Peres

AAPG Bulletin

... km of seismic lines and 101 wells (Figure 2). Most of these wells have velocity surveys, well seismic tool (WST) or ertical seismic profile (VSP...

Amplitude enhancement of far-offset refractions via machine learning

Lurun Su, Han Wang, Jie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... analysis and time-depth calculation. To image the near surface and crustal velocity structures, seismic refraction traveltime inversion and tomography...

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... orientation could vary with depth. If the depth-variant polarization and traveltime information are known, the split wavefields can be backpropagated...

ReGenerating the Gippsland Basin

J. Firth, K. Zhao, S. Birdus, N. Mudge, J. Zhou

Petroleum Exploration Society of Australia (PESA)

.... Figure 5: 12Hz FWI velocity perturbation overlaid on seismic, vertical crossline and 1800m depth slice. Maximum perturbation +/- 400 m/s. 46  | PE SA...

GPR surveys reveal the subsurface geology of major sea turtle nesting islands in the Saudi waters of the Arabian Gulf

Sherif Hanafy, Korhan Ayranci, Rommel H. Maneja, Ace Vincent B. Flandez, Jinoy Gopalan, Diego F. Lozano Cortes

International Meeting for Applied Geoscience and Energy (IMAGE)

... time scale to the required depth scale, we need to know the GPRwave propagation velocity value. Here, we buried a small metallic body at a known depth...

3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Compressional Features Across the Caribbean Margin of Colombia

J. W. Ladd and M. Truchan

AAPG Special Volumes

... prism from CDP 1800, the top of oceanic crust projects to about 12 secs two-way traveltime at CDP 3200. With an average sediment velocity of 2 to 3 km...

ABSTRACT 4D Seismic Monitoring of CO2: Practical Considerations, #90103 (2010)

David Lumley

Search and Discovery.com

... processing flow including wavefield separation, multiple suppression, depth migration velocity analysis etc. (Lumley et al., 2008). The 4D seismic...

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... undisturbed samples were no longer available; velocity values measured indicate a continuation of the rate of porosity decrease with depth...

Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard

Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli

AAPG Bulletin

... 0.5 s two-way traveltime. Given the shallow depth, the stacking velocities should be reliable. This is due to the Fig. 4. Synthetic seismic section...

Stress, Fracture, and Fluid-flow Analysis Using Acoustic and Electrical Image Logs in Hot Fractured Granites of the Coso Geothermal Field, California, U.S.A.

Nicholas C. Davatzes, Stephen H. Hickman

AAPG Special Volumes

... fluid acoustic velocity profile, or (4) calibrate the traveltime data to an independent mechanical caliper log in the depth intervals of interest...

Generalized internal multiple elimination

Dongliang Zhang, Constantinos Tsingas, Mohammed S. Almubarak

International Meeting for Applied Geoscience and Energy (IMAGE)

... with traveltime 𝑡1 ; trace ② is reflected from the reflector point b at depth 𝑧2 with traveltime 𝑡2 and trace ③ is reflected from reflector...

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

.... S., and G. P. Eberli, 1993, Controls on sonic velocity in carbonates, in R. C. Liebermann, ed., PAGEOH: Basel, Switzerland, Birkhauser Verlag, p...

Methane-hydrate Occurrence and Distribution in the Eastern Nankai Trough, Japan: Findings of the Tokai-oki to Kumano-nada Methane-hydrate Drilling Program

Y. Tsuji, T. Fujii, M. Hayashi, R. Kitamura, M. Nakamizu, K. Ohbi, T. Saeki, K. Yamamoto, T. Namikawa, T. Inamori, N. Oikawa, S. Shimizu, M. Kawasaki, S. Nagakubo, J. Matsushima, K. Ochiai, T. Okui

AAPG Special Volumes

...] of drilling). The two-way traveltime curve provided a good control for the depth conversion of seismic data. It helped in the interval velocity analysis...

Some Problems of the Geology and Oil-Gas Prospects of the Southwest Part of the Peri-Caspian Depression

V. I. Mal’tsev, L. V. Sharapova, B. I. Yurchenko

Petroleum Geology: A Digest of Russian Literature

... with a boundary velocity of 5000-6200 m per sec. Based on correlations with drilling in the Mikhaylov, Oleynikov, and Kaspiy areas, this refracting...

3D land full-waveform inversion in the Permian Basin: A case study at Quail Ridge East

Benjamin Consolvo

International Meeting for Applied Geoscience and Energy (IMAGE)

...: A comparison between the starting (a) and final (b) FWI velocity models along a west to north to east path. The top right corner of each model shows a depth...

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...

Shale brittleness prediction using machine learning—A Middle East basin case study

Ayyaz Mustafa, Zeeshan Tariq, Abdulazeez Abdulraheem, Mohamed Mahmoud, Shams Kalam, and Rizwan Ahmed Khan

AAPG Bulletin

..., compressional wave velocity, gamma ray, and photoelectric absorption cross-section index) with mineralogy-based BI (Heidari et al., 2014; Lai et al...

Origin and Evolution of the Middle Miocene Submarine-Fan System, East-Central Gulf of Mexico

Combellas-Bigott, Ricardo I. and Galloway, William E.

GCAGS Transactions

... of the basement (e.g., Cuban Fracture Zone) originated first-order N-NW to S-SE linear salt ridges and plateaus (thin areas) (Fig. 4). To the west...

Structural and Tectonic Evolution of the Eastern Cayman Trough (Caribbean Sea) From Seismic Reflection Data

Sylvie Leroy , Bernard Mercier de Lepinay , Alain Mauffret , Manuel Pubellier

AAPG Bulletin

... Cayman Trough margin. The upper panel is the two-way traveltime section, and the lower panel is the equivalent depth section in kilometers. See...