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

Leonardo Duerto, Alejandro Escalona, Paul Mann

AAPG Bulletin

..., and tectonic activity had shifted to the east.Tertiary Shortening Events of the Maracaibo Basin and Surrounding RangesEast-west and northwest-southeast...

Basement Double-wedge Thrusting in the Northern Sierras Pampeanas of Argentina (27S)Constraints from Deep Seismic Reflection

Ernesto O. Cristallini, Alberto H. Comnguez, Victor A. Ramos, Enrique D. Mercerat

AAPG Special Volumes

... active, recorded only minor uplift and displacement. These facts enable correlation of the events in the northern Sierras Pampeanas with analog...

Structure and Stratigraphy of the Lake Albert Rift, East Africa: Observations from Seismic Reflection and Gravity Data

Tobias Karp, Christopher A. Scholz, Michael M. McGlue

AAPG Special Volumes

... approximately 4100 ms two-way traveltime (TWTT) in this locality and is filled almost entirely with synrift sediments (Figure 4).Figure 6. Structure contour...

Sequence Stratigraphy, Facies Geometries, and Depositional History of the Mississippi Fan, Gulf of Mexico (1)

PAUL WEIMER

AAPG Bulletin

... equals two-way traveltime in milliseconds, and D equals subbottom in meters. This velocity equation was derived from an industry exploration well...

Evolution of Southern Caribbean Plate Boundary, Vicinity of Trinidad and Tobago

Paul Robertson , Kevin Burke

AAPG Bulletin

... traveltime (seconds) to top of basement. Continuity of the basement reflector is very clear because of the sharp velocity contrast at the contact between...

Contractional Growth Faulting in the Mexican Ridges, Gulf of Mexico

Luis Enrique Salomon-Mora, Mario Aranda-Garcia, Juan Rogelio Roman-Ramos

AAPG Special Volumes

... = two-way traveltime; ED = Eocene detachment.The deformation of the middle Miocene detachment folds only occurs above the main upper Eocene detachment...

Introduction to Thrust Fault-related Folding

Ken McClay

AAPG Special Volumes

...).Figure 1. Fold-thrust structures in three hydrocarbon-bearing fold and thrust belts. TWT (s) = two-way traveltime in seconds; H = V; horizontal = vertical...

Structural Geology, Seismic Imaging, and Genesis of the Giant Jonah Gas Field, Wyoming, U.S.A.

William B. Hanson, Victor Vega, Dennis Cox

AAPG Special Volumes

... and normalized well-log curves, net sandstone thickness in the Lance Formation at Jonah field is 6001150 ft (180350 m), comprising 2040% of the formation...

Continental Margin Evolution of the Northern Arabian Platform in Syria

John A. Best , Muawia Barazangi , Damen Al-Saad , Tarif Sawaf , Ali Gebran

AAPG Bulletin

... with coherent, high-amplitude reflections characteristic of the Burj limestone at 2.3 s based on time-depth curves for the region. A relatively high...

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...

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a two-way (RTM) propagator. One can note the errors in traveltime are larger on the left side of the image, where the velocity is larger. Adding...

3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway

Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen Tromp

International Meeting for Applied Geoscience and Energy (IMAGE)

... the waveforms and the traveltimes of the early arrivals and multiples match very well. There are some traveltime differences (less than half a period...

Late Triassic„Mid-Jurassic to Neogene Extensional Fault Systems in the Exmouth Sub-Basin, Northern Carnarvon Basin, North West Shelf, Western Australia

S. Jitmahantakul, K. McClay

Petroleum Exploration Society of Australia (PESA)

...-Jurassic rifting and the post-rift events (Fig. 2) that lead to the development of the Northern Carnarvon Basin and eventual formation of the passive margin...

Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir

Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... An improved FMM traveltime table generation method based on equivalent slowness calculation Compared to the commercial software travel time calculation FMM...

3-D seismic Images of the Effects of Carboante Karst Collapse on Overlying Stratigraphy, Bob A. Hardage, Search and Discovery Article #40044 (2002)

Search and Discovery.com

3-D seismic Images of the Effects of Carboante Karst Collapse on Overlying Stratigraphy, Bob A. Hardage, Search and Discovery Article #40044 (2002)

Search and Discovery.com

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu

International Meeting for Applied Geoscience and Energy (IMAGE)

... surface, the acquired seismic data is often contaminated by strong noise thus with low SNR. Not only various types of noise contaminate the recorded...

Extremely weak supervision inversion of multiphysical properties

Shihang Feng, Peng Jin, Xitong Zhang, Yinpeng Chen, David Alumbaugh, Michael Commer, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... SUMMARY Multi-physical inversion plays a critical role in geophysics. It has been widely used to infer various physical properties (such as velocity...

Joint inversion of magnetotelluric and seismic travel time data with intelligent interpretation of geophysical models

Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Zuzhi Hu, Deqiang Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a priori information in geophysical inversion contains various contents, such as structures, inclination, geophysical property, etc. Deep couplings...

Inversion of magnetotellurics data with enhanced structural fidelity

Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Petroleum Exploration Society of Australia (PESA)

... (a). Resistivity model obtained through conversion of the velocity model (b) with the various zones highlighted. Resistivity model from inversion without geological...

Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).

Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Search and Discovery.com

... that defines the shape of the subsurface structures. Among the various possibilities, that image can be derived from an existing map of the geological...

Refraction tomography at the Nova Ni-Cu mine

Ian James, Graeme Hird, Andrew Fitzpatrick

Petroleum Exploration Society of Australia (PESA)

.... A non-linear, first-arrival tomographic traveltime inversion (Zhang & Toksoz, 1998) was run until convergence was achieved. This process ray traces...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... function, relating the surface to the image point in terms of traveltime as well as compensating for amplitude changes along the raypath. Commonly...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... events from the earth model are present. A strong converted wave energy (PSV) remains undercorrected after N M O and interferes with the coal...

Exploration benchmarking to establish the potential of two hydrocarbon plays in the Pelotas and Punta del Este Basins, offshore Uruguay

David A. Pollitt and Shaoqing Sun

AAPG Bulletin

... multiple siliciclastic reservoirs within the postrift megasequence and regional shale seals deposited during maximum flooding events in the Cenomanian...