Multicomponent Seismic Studies of the Gas-hydrate System at the Storegga Slide

Stefan Bunz, Jurgen Mienert, Karin Andreassen

AAPG Special Volumes

... ratio using DeAngelo's formula (DeAngelo et al., 2003):The benefit of this method is that it is independent of any velocity analysis, which commonly...

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... such as the Hopfield neural networks (Hopfield, 1982) have been used for velocity analysis (Calderon-Macias and Sen, 1993), seismic migration (Vamaraju...

Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... and relevant to on-shore seismic acquisition as waveform inversion model building and impedance inversion techniques become more advanced and common as part...

Continuous Velocity Logging

H. R. Breck, S. W. Schoellhorn, R. B. Baum

Tulsa Geological Society

..., using under license agreement, the Magnolia Petroleum Company Continuous Velocity Logger. During the last few years a number of companies have been...

A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities

Rosidah Hardiani, Sanisah Soed, Lothar Schulte

Indonesian Petroleum Association

... is more accurate than depth converting the interpolated time horizons. In addition the lower horizon was depth converted using the average velocity...

Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... filtering), trim statics (for perfectly flattening the NMO-corrected reflection events in the gathers) and muting (which zeroes out the amplitudes...

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...

Rock Physics and Reservoir Characteristic of a Calcitic-Dolomitic Sandstone Reservoir

H. Morris, B. Hardy, E. Efthymiou, T. Kearney

Indonesian Petroleum Association

.... Nowadays it is becoming more common practice to create highdensity velocity models which flatten gathers trace by trace rather than on coarse grid sampling...

ABSTRACT: Pore Pressure Prediction Using 3-D Seismic Velocities and Well Data in Deep Water Eastern Niger Delta; #90115 (2010)

Meshach Omudu, Dayo Opadokun, Rocky Detomo, Samuel Olotu, Nedo Osayande

Search and Discovery.com

... - velocity and density - velocity cross-plots analysis from the wells, indicates disequilibrium compaction within the study area. The seismically derived...

Vietnam: Improved Images of Fractured Basement

Jim Keggin, Wathik Alaaraji, Joe Zhou

GEO ExPro Magazine

... basement reflection of 14% orientation of the faulting. Azimuthal anisotropy occurs on for PP data and 28% for PS data. These predictions are for 30 both...

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

... in the common image gather (CIG) domain and inverts for a new velocity based on ray tracing by minimizing the residual move out. Due to limited reflection...

Probabilistic seismic interpolation with the implicit prior of a deep denoiser

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... the available common-receiver gathers and amplitude normalized between 0 and 1. At each step of the training process, a batch of patches is corrupted...

Seismic Velocity Sensitivity Analysis: Gulf of Mexico Example, Pony Field; #50479 (2011)

Ryan Mann, Henry Zollinger, Steve Checkles

Search and Discovery.com

...Seismic Velocity Sensitivity Analysis: Gulf of Mexico Example, Pony Field; #50479 (2011) Ryan Mann, Henry Zollinger, Steve Checkles Seismic Velocity...

Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing

Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani

Indonesian Petroleum Association

... Moveout (DMO) correction using a Kirchoff algorithm Velocity analysis every 0.5 km, followed by final mute picking Normal Moveout (NMO...

Estimation of Gas Reservoir Boundary by AVO Analysis

Alfian D. Santoso, L. Hendrajaya, F. Makhruf, Purwoko, S. Ardisasmita

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., but it is correct for a receiver located at the subsurface reflector point and seen by plotting the reflection coefficient to the angle of incident...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... velocities. In this way, multiple events would be flat in the common depth point gathers and primary events would be overcorrected. Then, with an F-K velocity...

Abstract: Anisotropic Depth Imaging and Interpretation in Thrust-Belt Exploration, by Don Lawton; #90073 (2007)

Search and Discovery.com

Applications of 3-D Seismic/Forward Modeling to Water Shutoff and Other Reservoir Management Issues

D. E. Moore, H. E. Goodman, P. D. Norman

Indonesian Petroleum Association

... properties plays an extremely important role during the exploration for hydrocarbon bearing reservoirs using seismic techniques. Seismic reflection...

Extended Elastic Impedance (EEI) Approach for Telisa Sandstones Reservoir Characterization Case Study: Lambda-Mu-Rho (LMR) Analysis

Antoni Bahar MH, Ari Setiawan, Syahrial Rakimi, Yudi Yanto

Indonesian Petroleum Association

... but can be projected from angle gathers using the line defined by intercept and gradient. This is achieved by changing the bounds of the equation...

Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)

H. Morris, E. Efthymiou, B. Hardy, T. Kearney

Search and Discovery.com

... at the detailed level required for AVO analysis. Nowadays it is becoming more common to create high-density velocity models which flatten gathers trace by trace...

Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)

Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman

Search and Discovery.com

...Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014) Roohollah Askari, Robert J. Ferguson...

Correlation of seismic velocity and density of metasandstone from Kati Formation, Seri Iskandar, Perak, Malaysia

Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh

Geological Society of Malaysia (GSM)

... to measure the density and seismic velocity. P-wave and S-wave velocity is measured using Sonic S-X viewer while density is measured from ratio of core...

Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information

Zun S. Jiao, Ronald C. Surdam

Montana Geological Society

... be detected and delineated using the sonic velocity analysis and advanced 3D visualization techniques developed by IER. In the present...

A high-resolution seismic investigation for shallow iron ore

Ashley Grant*, Sasha Ziramov, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... slices through the 3D refraction tomography cube. Iron-rich zones appear anomalous in velocity (Figure 6). Further analysis and calibration included...

EXTENDED ABSTRACT: Calibration of Predicted Pore Pressure: Perceptions and Pitfalls

Selim Shaker

GCAGS Transactions

...) gathers should be checked against semblance for quality control. Sequence stratigraphy can help in picking the shale velocity intervals. During...