Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... components into the earth. The dip components can be enhanced based on various criteria before the backpropagation, thereby giving a more coherent...

Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)

Babatunde Arenrin, Gary Margrave, and John Bancroft

Search and Discovery.com

... seismic line. This process is commonly referred to as tomostatics. The traveltime tomography approach used in this study is similar to the constrained...

Historical and emerging super basins of Southeast Asia

Emeliana Rice-Oxley and Azli Abu-Bakar

AAPG Bulletin

... basins can be categorized as super basins: the Malay, Greater Luconia, Northwest Sabah, Greater Sumatra, and Kutei Basins. Tectonic events controlled...

Extended full-waveform inversion to improve the subsalt imaging in GOM

Guojian Shan, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester

International Meeting for Applied Geoscience and Energy (IMAGE)

... event aligns closely with recorded events, eliminating cycle-skipping issues during matching. In contrast to traveltime inversion and time-lag FWI, our...

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

.../s. The quality of various well logs and VSP data provide considerable promise for the technique’s use in aquifer detection and interpretation of seismic data...

Geologic Framework of Lower Cook Inlet, Alaska

Michael A. Fisher, Leslie B. Magoon

AAPG Bulletin

... interpretation or correlation but can be used for approximate conversion of seismic traveltime to depth. Interval-velocity curves were computed at 21...

Shallow Structure, Stratigraphy, and Carbonate Sedimentary Processes of West Florida Upper Continental Slope

Larry J. Doyle , Charles W. Holmes

AAPG Bulletin

... revealed a Pleistocene sequence of up to 160-msec two-way traveltime, overlying a second, probably Miocene, strong reflector. South of 27°20^primeN...

Structure of the Gudauta Bank According to Reconnaissance Seismic Investigations

Yu. P. Neprochnov, V. N. Moskalenko

Petroleum Geology: A Digest of Russian Literature

... in the frequency range of 5-10 hertz. Counter and overtaking traveltime curves were obtained on the refraction profile. A composite traveltime curve...

Elastic FWI for joint Vp, Vs and density inversion

Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Vs and density influence seismic data through different mechanisms. Conventionally we associate traveltime with Vp, the p-wave velocity, for its...

Advanced Seismic-stratigraphic Imaging of Depositional Elements in a Lower Cretaceous (Mannville) Heavy Oil Reservoir, West-central Saskatchewan, Canada

Sabrina E. Sarzalejo Silva, Bruce S. Hart

AAPG Special Volumes

... the various lithologies in this interval. Various types of noise in the seismic data also degraded the attribute-based property prediction. Bertram, G...

Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)

Jie Zhang, Oz Yilmaz, and Nanxun Dai

Search and Discovery.com

... statics may help further improve the data quality. The refraction residual statics approach is one subtracting refraction traveltime curves by smoothed...

Abstract: Reservoir Characterization of Plover Lake Heavy-Oil Field, by Larry Lines, Joan Embleton, Mathew Fay, Steve Larter, Tony Settari, Bruce Palmiere, Carl Reine, and Douglas Schmitt; #90075 (2008)

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Reservoir Characterization of Plover Lake Heavy-Oil Field, by Larry Lines, Joan Embleton, Mathew Fay, Steve Larter, Tony Settari, Bruce Palmiere, Carl Reine, and Douglas Schmitt, #40274 (2008).

Search and Discovery.com

Abstracts: Automatic P-wave Arrival Time Picking Method for Seismic and Microseismic Data; #90173 (2015)

Jubran Akram

Search and Discovery.com

... and parameterization of traveltime curves. Geophysical Prospecting, 31, 915-928. Han, L., Wong, J. and Bancroft, J., 2010. Time picking on noisy...

Model of Near-Surface Velocity, Southern San Joaquin Valley, California, by James G. Ferry; #91024 (1989)

Search and Discovery.com

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... strategy, and timing among other factors. Various methods have been used to determine the stimulated volume created by hydraulic fracturing...

Use of Seismic Surveying for Exploration of Oil and Gas Fields in the Fergana Valley

B. S. Vol’vovskiy, I. S. Vol’vovsky, B. B. Tal’-Virskiy

Petroleum Geology: A Digest of Russian Literature

.... The most complete seismic section is in the center of the Fergana. Here on the traveltime curves are recorded several sections with apparent velocities...

ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)

Search and Discovery.com

Seismic Prospecting for Gas-hydrate and Associated Free-gas Prospects in the Milne Point Area of Northern Alaska

T. L. Inks, M. W. Lee, W. F. Agena, D. J. Taylor, T. S. Collett, M. V. Zyrianova R. B. Hunter

AAPG Special Volumes

... be interpreted within the gas-hydrate stability zone (GHSZ) other than the C16 seismic marker and various events that have been correlated to gas...

Regional geologic and tectonic setting of the Maracaibo supergiant basin, western Venezuela

Paul Mann, Alejandro Escalona, Mara Vernica Castillo

AAPG Bulletin

... geologic maps, and basin subsidence history to better constrain four major tectonic events that affected the basin and that are critical for understanding...

Revealing the discontinuities by 3D prestack diffraction separation and imaging

Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... diffractions based on the data-driven local slope which is difficult to separate the similar seismic events. Therefore, we parameterize and calculate...

Benefits of selective stacking of windowed high-resolution linear radon transform (HRLRT) images from traffic-induced passive-seismic data with the multi-channel analysis of surface waves (MASW) method in Lawrence, Kansas

Julian Ivanov, Richard D. Miller, Dmitry Borisov, Shelby Peterie, Anthony M. Hoch

International Meeting for Applied Geoscience and Energy (IMAGE)

... resolution linear Radon transform (HRLRT) on various types of surface-wave data (Ivanov et al., 2017) to improve both the horizontal and linear resolution...

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... tackled the depth-imaging problem with the usual highly interpretive, “model driven” approach. We used an unconstrained diving-wave traveltime...

Automation of passive seismic processing via machine learning and physics-informed methods

Ivan Lim Chen Ning, Laura Swafford, Mike Craven, Kevin Davies, Evan Earnest, Dean Thornton

International Meeting for Applied Geoscience and Energy (IMAGE)

...) workflow to ensure the detected events are physically plausible. Our QC method utilizes temporospatial-derived information to reject anomalous phase...

Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... important processes in seismic processing and it is used to move events to their correct positions in time and space. This study provides a comparison...