Optimization of Seismic Acquisition Design Using Ocean Bottom Nodes at 'MHS' Field

M Hanif Syamri, Ruhul Firdaus, Syamsurijal Rasimeng, Agung A. Susanto

Indonesian Petroleum Association

...) acquisition technology. Determination of parameter acquisition was carried out based on previous 2D geological seismic data models. Optimization...

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... of the medium is constant. In that case, the raypaths are straight and simple triangular raypath geometries are often formed. Hyperbolicity is generated through...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... for accurate imaging of the deeper structures, since raypath deviation is cumulative and so a modest inaccuracy in the near-surface model can...

2.2 Basement Involved: 2.2.1 Crustal Profiles: COCORP Seismic Traverse Across the Rio Grande Rift

L. D. Brown, S. Kaufman, and J. E. Oliver

AAPG Special Volumes

... structure. The discontinuous nature may be due to lateral Moho complexity, or raypath disruption in the overlying crust. ACKNOWLEDGMENTS The data...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

Search and Discovery.com

Land 3D Acquisition Techniques Related to S.E. Asian Situation

Walter Ritchie

Indonesian Petroleum Association

... direction. All traces within a 2D line of profile have a common raypath plane azimuth and a common velocity can be applied to each trace within each CDP...

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... study progressed on defining the parameter which led to this improvement in record quality. Different transducers of different frequencies were tested...

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... time shift, and can be caused by raypath geometry differences between the two physical measurements. Source wavelet differences, in which...

Undrilled Reserves in Cook Inlet Oil Fields, Alaska

Robert A. Bishop

Circum Pacific Council Publications

... today, most geophysicists would still put thrusts or at least high-angle reverse faults on profiles showing such gaps. However, raypath models have...

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... picked. Normal ray that propagates to the surface along a raypath connected reflector-surface characterized by, • • Its normal ray one-way traveltime...

Amplitude enhancement of far-offset refractions via machine learning

Lurun Su, Han Wang, Jie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... stably (Nakata et al., 2011). Based on SI, the convolution of the virtual and raw seismic records restores the raypath, resulting in the super-virtual...

Active-seismic monitoring of pore pressure changes in an analog reservoir

Tanner Shadoan, Jonathan Ajo-Franklin, Jeremy R. Patterson, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the long injection on day two. A representative delay-time curve of a CASSM source-receiver pair whose raypath travels through the upper reservoir...

Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones

Walter E. Johnson, William T. Brown Jr., James B. Peterson

Rocky Mountain Association of Geologists

... and are recorded at different receiver locations. Coincidentally, each raypath has a different offset from the source to the receiver. Secondly, the quality...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... and irregularities causes a non homogeneous behaviour of the illumination in the subsurface and a complex 3D raypath for surface and internal multiples. Complex deep...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

.... For tomography to converge to the correct solution, 3D azimuth information is required to calculate the differentials along the source-receiver raypath...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

.... In Figure 1, the phase associated with common raypath (BC) for sources A and B, is cancelled after cross-correlation of traces recorded by downhole...

Transformation of point-to-line source seismogram in a 2D geological model

Moosoo Won, Bing Zhou, Mohamed Jamal Zemerly, Mohammad Al-Khaleel, Mohamed Kamel Riahi

International Meeting for Applied Geoscience and Energy (IMAGE)

... the corresponding raypath from a source to a receiver, for which seismic ray tracing is conducted beforehand (Auer et al., 2013). Meanwhile, the analytical...

Broadband Data from Flat Streamers: Considerations for Acquisition and Processing

Phil Fontona, Edward Hager

Indonesian Petroleum Association

... the source or receiver depth, and Θ can be either the emission or incidence angle of the raypath. Figure 5shows spectra for an air gun array at 6m...

Stratigraphic and Structural Interpretations Using Diffraction Seismograms

Richard K. Snavely , A.K.M. Sarwar

GCAGS Transactions

... as evidence of abrupt discontinuities, such as faults and truncations, in the subsurface reflector geometry. Also in raypath geometry, as in this model...

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... PreSDM results require the use of a provelocity field, a modelling 'velocity' parameter. Due to numerous factors that affect the data right from...

Seismic Imaging at Conger: Lessons Learned in Gulf of Mexico Subsalt Imaging

Thomas C. Bergeon, Brad A. Robison

GCAGS Transactions

... improvement in continuity. However, the pre-stack data still show effects of a complex velocity field, raypath and illumination problems, salt...

A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin

G. R. Elsley, H. Tieman

AAPG Special Volumes

... is a Kirchoff method, which consists of modeling a single raypath, and the second is a wave equation method, which models an entire wave front. A third method...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... processing. Deeper than 3 km it was initially assumed G=0 with H equating simply to the spatially varying K parameter, in accordance with the (Thomsen, 1986...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... processing. Deeper than 3 km it was initially assumed G=0 with H equating simply to the spatially varying K parameter, in accordance with the (Thomsen, 1986...

Abstract: Black Box Recording of Passive Seismicity: Pitfalls of not Understanding your Acquisition Instrumentation and its Limitations; #90187 (2014)

Ted Urbancic and Andreas Wuestefeld

Search and Discovery.com

... both standard and strong magnet configurations downhole. Depth of deployment was ~2250m. Signals have been rotated into raypath orientation. AAPG...