Seismic reflection analysis of the deeply buried Neoproterozoic rift basin beneath Sichuan Basin, southern China

Jing Hu, Dong Jia, Guoqi Wei, Wuren Xie, Yiquan Li, Nan Su, Zhuxin Chen, Wei Yang, Zhigang Li, Chuang Sun, and Yong Zhang

AAPG Bulletin

... burial depth, Neoproterozoic strata have typically been ignored by commercial hydrocarbon exploration in the past. However, the depletion...

Abstract: An Azimuthal-AVO-Compliant 3D Land Seismic Processing Flow; #90171 (2013)

David Gray, Darren Schmidt, Nirupama Nagarajappa, Charles Ursenbach, and Jon Downton

Search and Discovery.com

... to be incorporated, which improve the azimuthal AVO result and make it easier to do. These are: 1. Azimuthal velocity corrections (e.g. Jenner et al...

Multi-information intelligent decision process for first-break picking

Fei Luo, Lanlan Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

...-to-noise ratio within a shot gather. The recognition and traveltime detection of the first-arrival wave play a crucial role in estimating velocity...

Leakage Risks Associated with Coal Sequestration in Some Areas of the Central Appalachians: Subsurface, Seismic and Geomechanical Evaluations, by Tom Wilson, Hema Siriwardane, Xiaochao Tang, Brian Connolly, and Jamie Tallman, #80007 (2007).

Search and Discovery.com

The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... and predict complex fluid flows with greater accuracy and computational efficiency (Cai et al., 2021). Given the highly dynamic and often non-linear nature...

Optimising CO2 storage resource utilisation: insights from the Otway Stage 4 field program

Max Watson, Hadi Nourollah, David Bason, Scott Higgs, Sally Benson, Peter Cook, Yong-Chan Park, Mitch Allison, Ziqiu Xue

Australian Energy Producers Journal

... A But tres Ot w ay 2 s Fa ult Bog gy C fau l reek t bl ock Fau lt Depth m SS 1111 1200 1300 1400 1542 0 1 2 km activities. CRC-3...

An adaptive filter-based approach for the Marchenko multiples elimination scheme

Rodrigo S. Santos, Marcelo S. Souza, Daniel E. Revelo, Victor Koehne, Reynam C. Pestana, Diego F. Barrera, Laila D. L. Vergne, Jonathas Maciel

International Meeting for Applied Geoscience and Energy (IMAGE)

... 2.0 1800 2100 2400 2700 Velocity (m/s) Distance (km) -2 0 0 2 b 0.5 Depth (km) puted with 601 sources excited one by one with a fixed-spread...

Cretaceous sequence stratigraphy of Georges Bank Basin: Implications for carbon storage

W. John Schmelz, Kenneth G. Miller, Alexandra C. Adams, Stephen J. Graham, Gregory S. Mountain, James V. Browning, and Kimberly E. Baldwin

AAPG Bulletin

... (between ∼1- and 3-s two-way traveltime), the vertical seismic resolution for data of this vintage collected in the BCT decreases with depth...

Val Verde Basin: Thrusted Strawn (Pennsylvanian) Carbonate Reservoirs, Pakenham Field Area

Scott L. Montgomery

AAPG Bulletin

...-to-moderate-depth shelf that marked the final stage of preorogenic deposition. This shelf succeeded the basinal environment represented by the dark, highly...

Use of a computational fault-extraction process with calibrations to characterize a fractured basement reservoir, Yufutsu, Japan

Tetsuya Tamagawa, Kazuhiko Tezuka, Noriyoshi Tsuchiya

AAPG Bulletin

... (Tamagawa et al., 2010).Figure 4. Three-dimensional seismic time slice extracted at 2700 ms of two-way traveltime corresponding to the central depth...

3D large residual static corrections based on first breaks in CMP gather

Feng Faquan, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang Haili, Wang Mingliang

International Meeting for Applied Geoscience and Energy (IMAGE)

... affects the seismic imaging quality. In complex areas, due to lateral great variations in weathering velocity and thickness, it is hard to build accurate...

Chapter Five: Reservoir Identification

Alistair R. Brown

AAPG Special Volumes

... diminishes with depth. Figure 5-2. Percent velocity difference between sands saturated with different fluids (derived from Gardner, Gardner, and Gregory, 1974...

Seismic Expression of the Boundaries of a Miocene Carbonate Platform, Sarawak, Malaysia

Guido L. Bracco Gartner, Wolfgang Schlager, Erwin W. Adams

AAPG Special Volumes

... seismogram from the EX-3 wire-line-log data. With the velocity-log data, the depth data were converted into traveltime data. The impedance profile...

A new conceptual model for the structural evolution of a regional salt detachment on the northeast Scotian margin, offshore eastern Canada

Steven J. Ings, John W. Shimeld

AAPG Bulletin

..., and has an average landward dip of about 1. Time-depth conversion was done using the velocity model of Funck et al. (2004).Figure 8. Line 3...

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...

Mechanical and stratigraphic constraints on the evolution of faulting at Elk Hills, California

Patricia E. Fiore, David D. Pollard, William R. Currin, David M. Miner

AAPG Bulletin

.../s) near the surface to 6000 m/s (19,700 ft/s) at depth. This velocity profile corresponds to the two-way traveltime interval extending from 0 to 5...

Linkage and formation of strike-slip faults in deep basins and the implications for petroleum accumulation: A case study from the Shunbei area of the Tarim Basin, China

Yin Liu, John Suppe, Yingchang Cao, Fang Hao, Yiduo Liu, Xi Wang, Kongyou Wu, Zicheng Cao, and Hehua Wei

AAPG Bulletin

... represent the move direction of the fault blocks. CDP = common depth-point; TWT = two-way traveltime. Figure 5. Uninterpreted (A–C) and interpreted (D...

Structural Trend Analysis by Axial Surface Mapping: Reply

John H. Shaw , Stephen C. Hook , John Suppe

AAPG Bulletin

... reflection profile in depth near the center of the Pitas Point trend. This approximate depth display was derived from well-bore and stacking velocity...

Review of the CrustLithosphere Research in the Carpathians

Lubomil Pospil, Antal dm

AAPG Special Volumes

... (Zatopek, 1979). A low velocity zone is present in the mantle underneath the Pannonian Basin at the depth of 70 km (43 mi), shown by P- and S-wave...

Geological significance of seismic reflections and imaging of the reservoir architecture in the Malampaya gas field (Philippines)

Franois Fournier, Jean Borgomano

AAPG Bulletin

... are computed from velocity and density logs, and the time-depth conversion was produced integrating sonic-derived velocities.The definition of depositional...

Time-Lapse Geophysics for Mapping Fluid Flow in Near Real Time: Results from a Controlled Mesoscale Experiment

Roelof Versteeg

Special Publications of SEPM

... VERSTEEG subsurface imaging laboratory An in-depth discussion of this laboratory can be found in Versteeg and Birken (2001a), and a summary...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflections. However, if the initial model is strongly biased from the true velocity, the increasing nonlinearity generated by multiples in the data can cause...

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... interpretation. The exact acoustic velocity at which the wave moves from one point to another depends on the physical properties of the medium. For constant...

The Impact of Shear-Wave Splitting on the Imaging of P-S Data

Search and Discovery.com

...-S reflections arrive from different shot-to-receiver azimuths, the variation in traveltime is obviously visible by the sinusoidal variation...

The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs

Mark Tomasso, Renaud Bouroullec, David R. Pyles

AAPG Bulletin

... is a combination of element thickness, rock velocity, and seismic acquisition and processing parameters. The practical vertical resolution of a seismic...