Sparse 3D seismic survey over the Olympic Dam IOCG deposit

Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig

International Meeting for Applied Geoscience and Energy (IMAGE)

... of semblance and constant velocity stacks. The 2D PSTM (pre-stack time migration) image would provide a point of comparison for the later 3D imaging...

Imaging Beneath Complex Structure

K. Larner, B. Gibson, and R. Chambers

AAPG Special Volumes

... with interval velocity known perfectly, no velocity is proper for time migrating the data here; time migration is the wrong process because it does not honor...

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... wave prestack migration and velocity analysis has been developed. That is based on the consideration of prestack migration by equivalent offset...

RNN-based seismic velocity model building: Improving generalization using hybrid training data

Hani Alzahrani, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

...RNN-based seismic velocity model building: Improving generalization using hybrid training data Hani Alzahrani, Jeffrey Shragge RNN-based Seismic...

General Threshold for Sediment Transport Induced by Mounds

J. Stephen Fries

Journal of Sedimentary Research (SEPM)

... experiments confirmed this threshold for sediment mounds of both fine and coarse sands. Measurements of the velocity field near sediment mounds...

Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia

Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann

Indonesian Petroleum Association

.... However, where thermally-driven secondary processes create overpressure, porosity-based analysis that uses sonic (or seismically-derived velocity data...

Elastic reverse time migration with more than pressure data

Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝜕𝜖 𝜕𝜆 + 𝜕𝜖 𝜕𝜇 ) (2) where 𝑣 𝑝 and 𝑣 𝑠 are P wave and S wave velocity; 𝜆 and 𝜇 are Lame constant; 𝐼 𝑝 = 𝜌𝑣 𝑝 and 𝐼 𝑠 = 𝜌𝑣 𝑠 are the P wave...

ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas, by Rubén D. Martínez; #90158 (2012)

Search and Discovery.com

Abstract: Hydraulic Jet Fracturing Technology Based on Archimedes Spiral Theory; #130000 (2018)

Shaokai Tong, Deli Gao

Search and Discovery.com

...-carrying evaluation experiments were performed to evaluate the double-helix characteristics.In addition,kinetic equations of sand migration in sand...

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the American Association of Petroleum Geologists Premigration Q analysis and mapping to image domain migration velocity imperfections. Another...

Comparison between the Different Approaches of Secondary and Tertiary Hydrocarbon Migration Modeling in Basin Simulators

Sylvie Pegaz-Fiornet, Bernard Carpentier, Anthony Michel, Sylvie Wolf

AAPG Special Volumes

... of the hydrocarbon migration route in the case of invasion percolation.During the search of a new migration path, the invasion percolation approach is akin...

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

..., a complex geological region is broken up into small regions of nearly constant velocity, and the wavefield is propagated through each region separately...

Origin of Bimodal Sands in Some Modern Environments

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

... velocity induced by shoaling waves. Such variation of bottom current velocity may also induce shoreward migration of the coarse faction, while...

Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach

J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M. Darbousset

CSPG Special Publications

...Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M...

A New Efficient Scheme to Model Hydrocarbon Migration at Basin Scale: A Pressure-Saturation Splitting

Sylvie Wolf, Isabelle Faille, Sylvie Pegaz-Fiornet, Franoise Willien, Bernard Carpentier

AAPG Special Volumes

...A New Efficient Scheme to Model Hydrocarbon Migration at Basin Scale: A Pressure-Saturation Splitting Sylvie Wolf, Isabelle Faille, Sylvie Pegaz...

Effect of Kaolinite Content on Formation Damage Due to Fines Migration: Systematic Laboratory and Modelling Study

Thomas Russell, Larissa Chequer, Alexander Badalyan, Zhenjiang You, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

.... A summary of these processes is shown schematically in Fig. 1. Several field case studies have demonstrated the significant effect that fines migration...

RTM method of prismatic-waves under the undulating surface: A case study of the Longmen Piedmont

Bo Ma, Yingming Qu, Zhenchun Li, Jianggui Zhu, Chang Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration of prismatic waves for undulating surfaces involves the following processes: (1) Coordinate transformation of the velocity model...

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

... into three groups: those caused by velocity, those due to the geometry of the reflector, and those resulting from recording and playback. Regional velocity...

Structure Beneath Continental Shelf, Northeastern Gulf of Mexico

John W. Antoine , James L. Harding

AAPG Bulletin

... illustrated (Fig. 5). Higher-velocity carbonates could be caused by the dolomitization of reef deposits. If such reefs did accumulate, the migration...

Time-Depth Conversion Using Wells Calibrated Seismic Velocities (Paper 15)

Zakaria Hj Marzuki, Jeffry Gunawan, Mark Sams

Geological Society of Malaysia (GSM)

... average velocity volume. This volume can then be converted to interval velocity to check for realistic values, as the process does not guarantee this. CASE...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... either pre-migration or post-migration. In either case, a nominal azimuth is selected and an azimuthally-variant velocity field derived. A 1-d...

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... velocity model for FWI was derived from a prestack time migration velocity that was converted to a depth interval velocity with smoothing applied. Water...

Flume Experiments on Lower-Flow-Regime Bed Forms in Coarse Sand

Warren R. Costello, John B. Southard

Journal of Sedimentary Research (SEPM)

... scatter. This scatter is to be expected. In the higher-velocity runs, sediment discharge varied wildly in the short term because of migration of bed forms...

Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data

Philip D. Heppard and Martin L. Albertin

Houston Geological Society Bulletin

... depth migration before stack (MBS) processing as part of the calibration process as well as well control. A comparison of the 3D velocity field...

-- no title --

user

Search and Discovery.com

..., high resolution migration velocity estimation and imaging is introduced. The methodology for objective, data driven determination of the velocity...