Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic

Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim

Unconventional Resources Technology Conference (URTEC)

... of the perforation shot. Deepest receivers of 4H observation well flattened due to slight lateral velocity variations, global RMS error across both gathers...

Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)

Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly

Geological Society of Malaysia (GSM)

... to be converted from RMS to interval velocity. Normally, the regularly sampled velocity field (in time) is converted using Dix’ approximation (Dix, 1955...

Fault Shadow Correction by Advanced Tomographic Velocity Model Building

Search and Discovery.com

Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

... seismic processing demonstrated that high density root mean square (RMS) velocities converted into Dix correlate with well velocity logs. Then the RMS...

Abstract: Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis; #90319 (2018)

Ahmed S. Ali

Search and Discovery.com

... as an internal attribute while P-impedance and RMS Velocity cubes as external attributes in order to generate 3D porosity and Water saturation volumes...

Yesterday, Today, and Tomorrow in Seismic Exploration

Emil J. Mateker, Jr.

GCAGS Transactions

.... This addition, called stacking, requires knowledge of a form of velocity (the rms or stacking velocity) which can be obtained from the time moveout...

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... applied to the RMS velocity field creating four updated sector velocity volumes which were smoothed and input to elliptical velocity inversion...

Geocellular Model for Tertiary Reservoirs in Manhera Tibba Gas Field, Jaisalmer Basin, Rajasthan, India

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Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... by Schneider, 1978. In this approximation, assuming migration velocity to be close to RMS velocity the shot record prestack volume u( x, h, t ) can...

Abstract: Method for Analysis and Display of Elastic Synthetic Shot Gathers, by K. H. Wrolstad, F. Aminzadeh, and C. K. von Kahrs; #90992 (1993).

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Abstract: INTERPRETIVE SEISMIC DATA PROCESSING ON OPI PHASE-III 2003 DATA; #90150 (2012)

Azhar Jamil Siddiqui and Muhammad Haneef

Search and Discovery.com

.... • Radon Multiple Attenuation technique for Velocity analysis. • A target oriented Interactive and Interpretative Velocity Analysis helps tremendously...

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)

Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith

Search and Discovery.com

... of the azimuthally sectored data sets and corrections applied to the RMS velocity field, creating four updated sector velocity volumes which were smoothed...

Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... MODELING The initial depth domain velocity was derived from the PSTM root mean square (RMS) velocity that was converted to depth interval velocity...

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... be modelled as a low velocity thin layer (LVT). The distortion of RMS velocity measurements and of the structure picture represented by the stack section, due...

Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)

Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan

Indonesian Petroleum Association

.... Based on RMS amplitude maps (across large time interval) derived from the 2005 reference dataset, the QC area is divided into two areas...

Central Kalimantan Weight Drop Seismic Acquisition and Implication to Petroleum Exploration

Riki Tasrianto

Indonesian Petroleum Association

... to the summation by the reciprocal of the RMS power of the trace. RMS power is the square of RMS amplitude, which in this process makes the highest...

Seismic velocity detrending and well calibration workflow

Gastón Bejarano Gerke

International Meeting for Applied Geoscience and Energy (IMAGE)

...Seismic velocity detrending and well calibration workflow Gastón Bejarano Gerke Seismic velocity detrending and well calibration workflow Gastón...

3D Velocity Model Building and Seismic Imaging Combining Tomography and Model Based Approaches in the Peniche Basin, #42302 (2018).

Olivier Clauss, Ylva Malmcrona Diaz-Ambrona,

Search and Discovery.com

...3D Velocity Model Building and Seismic Imaging Combining Tomography and Model Based Approaches in the Peniche Basin, #42302 (2018). Olivier Clauss...

Repeatability Evaluation of Time-Lapse Technology Using Ultra-Stable Seismic Source; #42078 (2017)

Junzo Kasahara, Khaled Al Damegh, Ghunaim Al-Anezi, Yoko Hasada, Kei Murase, Aya Kamimura, Osamu Fujimoto, Hiroshi Ohnuma

Search and Discovery.com

... m. This is thought to be caused by the presence of velocity inversion just below the top layer. We calculated NRMSs of the first arrivals...

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... more than it is wrong, it is unreasonable to expect that it always is the right decision. Stacking velocity is often equa ed to "RMS velocity," which...

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

.... In this approximation the associated traveltimes are calculated from the Root Mean Square (RMS) velocity. The amplitude function is obtained using an estimation...

Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave (P-wave) methods that use mirror migration, velocity analyses and tomography are not available for shallow converted P- to S-wave (PS-wave) data...

Quantitative Petrophysical AVO Error Analysis in a Layered Model

Search and Discovery.com

... the offsets to incidence angles in layered models by using the RMS velocity. Figure 1 illustrates the uncertainties caused by such approximations. We...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

... trend from seismic Vi and offset sonic logs. The extracted Dix’s Vi from the root mean square (rms) velocity was correlated to some of the sonic...

A smart merge workflow for dual-azimuth images

Xu Li, Diwi Snyder, Dez Chu, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic datasets for migration and model building. A more natural factor is that velocity model(s) can never be perfect, and residual model errors along...