Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... about complex local geology makes building an initial velocity model for seismic data migration difficult. We developed a wave equation tomography method...

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion

Peter Japsen

AAPG Bulletin

...Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion Peter Japsen 2006 1141 1143 90 7 Chapman, R. E., 1983...

Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction

J. Pinchin, M. Bayly

Petroleum Exploration Society of Australia (PESA)

... Basins, is measurement of the vertical velocity profile. Seismic stacking velocities are generally accurate to only a few per cent, but by averaging...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

...Velocity for Pore Pressure Prediction Modeling and Risk Assessment Selim Simon Shaker 2016 487 504 Vol. 66 (2016) Prediction of pore pressure using...

Stratification, Bed Forms, and Flow Phenomena (With an Example from the Rio Grande)

J. C. Harms, R. K. Fahnestock

Special Publications of SEPM

... of these stratification types are products of specific bed forms observed in this section of the river during the preceding irrigation season when discharge velocity depth...

Exploration of Part of the Northwest Shelf of Australia (A Case History)

J. S. Thomas, E. O. Nestvold, A. Crostella

Southeast Asia Petroleum Exploration Society (SEAPEX)

... processing consisted of playback on film using cams to produce dynamic corrections. Several were available, each representing a velocity function...

From Chaos to Caves … An Evolution of Seismic Karst Interpretation at the Vorwata Field

Riangguna Eloni, M.R. Husni Sahidu, Ilham Panggeleng, Christopher S. Birt, Ted Manning

Indonesian Petroleum Association

... trend that is missing in the seismic data (perhaps from well logs, or a regional velocity model). Both of these can be prone to error and require...

Seismic Facies Analysis of Delta-Plain Coals from Camrose, Alberta, and Lacustrine Coals from Pictou Coalfield, Nova Scotia

D. C. Lawton

AAPG Bulletin

...) = (^rgrcVc - ^rgrsVs)/(^rgrcVc + ^rgrsVs), where Zc = ^rgrcVc is the acoustic impedance of the coal; Vc is the P-wave velocity in the coal; and ^rgrc...

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

... estimation from the amplitude spectrum of the time–frequency transform of stacked reflection seismic data: Journal of Applied Geophysics, v. 114, p. 202...

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

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

Abstract: Impact of Accurate Velocities from Signal Fidelity Enhancement for Reliable Seismic Interpretation - Example from Kuwait, by Wael A. Zahran, Riyanto Purbokusumo, Nawaf Al-Muatairi, and Hamed M. Hameed; #90105 (2010)

Search and Discovery.com

3D velocity model building and seismic imaging combining tomography and model based approaches in the Peniche Basin

Search and Discovery.com

Abstract: Application Of Shear Wave Velocities For Pore Pressure Prediction In High Temperature Overpressure Regimes; #90315 (2017)

John Ajesh

Search and Discovery.com

... with under-compaction generally possess a direct relationship between effective stress (ES) and velocity, whereas unloading related pressures do...

Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018)

Young Seo Kim, Ali Almomin, Yimin Sun, Woodon Jeong, Yi Luo

Search and Discovery.com

...Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018) Young Seo Kim, Ali...

New Velocity Model Building Techniques to Reduce Sub-Salt Exploration Risk

Stephan Petmecky, Martin L. Albertin, and Nick L. Burke

Search and Discovery.com

...New Velocity Model Building Techniques to Reduce Sub-Salt Exploration Risk Stephan Petmecky, Martin L. Albertin, and Nick L. Burke New Velocity Model...

Using Seismic Velocity Anisotropy to Predict Fractures: A Calibrated Case Study from the Green River Basin of Wyoming, by Shanley, Keith W., J. Chris Besler, William A. Miller, John F. Gegg; #90030(2004)

Search and Discovery.com

Wireline Geochemical Log Analysis of Thin Bed Reservoirs: Gulf of Mexico

R. V. Everett, J. E. Mc Donald, M. M. Herron

New Orleans Geological Society

... acoustic curve reflecting thin beds when there is a difference in velocity between the thin bed lithologies, the dipmeter borehole-image resistivity curves...

Sole Marks and Combined-flow Storm Event Beds in the Brixton Formation of the Siliciclastic Archean Witwatersrand Supergroup, South Africa

Nicolas J. Beukes

Journal of Sedimentary Research (SEPM)

... to produce turnabout grooves (Fig. 9A). The one leg of a turnabout mark must have formed as the oscillator velocity slowed before flow turned. At the same...

Enhancing low frequencies in airgun arrays, analysis of various field tests

Susanne Rentsch, Edward Hager, Lauren Wing, Sebastian Holland

International Meeting for Applied Geoscience and Energy (IMAGE)

... and thus provide an improved velocity model and image quality. By nature, the data quality one inputs into such advanced algorithms affects the result...

Seismic super resolution method for enhancing stratigraphic interpretation

Chengbo Li, Qingrong Zhu, Baishali Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

... to build accurate velocity model and broaden seismic bandwidth (e.g., Zhou et al., 2012; Wang et al., 2016); stochastic and spectral inversion...

A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu

Search and Discovery.com

... of the RPP results. Figure 9a, Figure 9b, Figure 9c and Figure 9d are the source energy QC, amplitude spectrum, shot gathers and the seismic wavelet QC...

A New Phase Diagram for Combined-Flow Bedforms

Mauricio M. Perillo, James L. Best, Marcelo H. Garcia

Journal of Sedimentary Research (SEPM)

... periods of 4, 5, and 6 s. The maximum orbital velocity (Uo) was varied from 0.00 to 1.00 m s−1 while the unidirectional component (Uu) was varied from 0...

Stratification Produced by Migrating Bed Forms

J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker

Special Publications of SEPM

... a fairly complete spectrum of views: Blatt, Middleton and Murray (1972, p. 111 to 118), Pettijohn, Potter and Siever (1973, p. 102 to 127), McKee...

Novel 3-D Field-scale Characterization of Reservoir Fractures Using Surface Seismic Data by the Double-Beam Method and Field Applications

Yingcai Zheng, Hao Hu, Xinding Fang, Robert Stewart

Unconventional Resources Technology Conference (URTEC)

... with elastic parameters: P-wave velocity (𝑣! ), S-wave velocity (𝑣! ) and density (ρ) shown in each layer. (c) Map view of spatial distribution...

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... Sciences [email protected] SUMMARY Velocity analysis is often necessary in pre-stack seismic processing to produce a good estimate of subsurface velocities...