The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... aspects, we focused on the value of information obtained by using advanced processing flows, such as a 3D depth-tied velocity model construction using...

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

... Detailed stacking velocity analysis of line DD' (Figure 9) suffered from the poor data quality beneath the shallow anomalous zone...

Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).

Soo-Kyung Miong, Robert R. Stewart, Joe Wong

Search and Discovery.com

... using the root-mean-square velocity derived from a velocity analysis and then followed by VSPCDP stacking with a bin size of 10 cm (Figure 3b...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

.... J., 1969. Normal moveout and velocity relations for flat and dipping beds for long offsets. Geophysics, 34, 180-195. CLAERBOut,J.F., 1976...

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

... moveout making correction non-optimal. Significant velocity variations may be common because thrusting could result in repeated geologic sections laterally...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... that the moveout errors have not reduced to zero, and that there is still some difference between the azimuths. This implies that the velocity model has...

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., the only velocity information that can be used for depth conversion is either from the seismic stacking velocity inside the Barnicarndy Graben or offset...

ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)

Adeboye A. Oni, Gislain Madiba, and Berti Ozumba

Search and Discovery.com

... economic accumulations. Some of the consequences of looking deeper include the onset of overpressures and velocity anisotropy. One of the measures...

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

... and the Kutai basin, the study area is strongly compartmentalized. Lateral velocity variations across faults with very significant throws induce severe fault...

ABSTRACT: Multi Focusing Stack Technique for Subsurface Imaging; #90118 (2011)

Sunjay Sunjay

Search and Discovery.com

... mandatory in areas of complex geology— because it accounts for traveltime nonhyperbolic moveout, it has, in fact, quite a limited purpose—to convert...

Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)

Shaowu Wang and David Wilkinson

Search and Discovery.com

..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

... drilling predicted pore pressure versus depth plot from seismic velocity correlating the four zones vs. the conventional methods. Note...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... the D I S C O Z M U L T algorithm (Fig. 4 B ) . This algorithm involves: (1) applying normal moveout ( N M O ) 21 using a velocity function...

Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming

David J. Taylor

Wyoming Geological Association

...) Datum Correction Trace Equalization Predictive Deconvolution Constant Velocity Analysis Normal Moveout Correction Hand Statics Corrections...

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... have concentrated on P waves. The introduction defined and illustrated a number of seismic terms including: acoustic impedance, velocity, density...

Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

...: normal-moveout (NMO) done with dip-corrected velocity, followed by an appropriate velocity-dependent dip filter (Jakubowicz, 1990). We first analyse...

Abstract: Seismic Data Processing in Anisotropic Media, by V. Celis; #90951 (1996).

Search and Discovery.com

Abstract: A Robust and Practical Approach to VTI Parameter Estimation in a Non-Structural Setting: Case Study from the Vulcan Field, Alberta; #90172 (2014)

Mike Perz, Warren Pearson, Darren Betker, Earl Heather

Search and Discovery.com

... shales have documented velocity anisotropy in the order of 12%, further confirmed by the analysis of walkaway VSP data. Correcting for the non...

Abstract: Practical Examples of the Implementation of Surface Related Multiple Elimination for Land Data; #90286 (2017)

Philip J. Thompson

Search and Discovery.com

... from both structured and flat areas show the robustness of LSRME. Traditionally, multiples in land data were handled by dip filtering, moveout...

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

.... Large azimuthal variations of time and amplitude are observed, probably due to the sharp lateral velocity variation. VRMS stacking velocity with layer...

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

..., bandpass filter and true amplitude recovery are applied. A normal moveout (NMO) correction is then applied using the velocity function derived from...

Some Recent Advances in Exploration Geophysical Techniques and Data Processing

Edward F. Zagst, C. L. Robinson

GCAGS Transactions

... in the zone of primary interest will remain in a lower average velocity environment than the true reflection. Normal moveout is a function of the square...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... offsets reduces noise in the data. Multichannel data can also provide information on seismic velocity and amplitude versus offset. In order to make...