New Technology to Acquire, Process, and Interpret Transient EM Data; #41579 (2015)

Anton Ziolkowski, Richard Carson, David Wright

Search and Discovery.com

.... Horizontal coordinate is source-receiver mid-point; vertical coordinate is source-receiver offset...

Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)

Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia

Search and Discovery.com

... of amplitude variation with offset (AVO) of P-wave reflection is a very popular and powerful tool for detecting the presence of gas sands. However, the AVO...

Seismic Velocity Anisotropy in Chimore Area, Bolivia

Michael Fry, Eloy Martinez, James Baker, Mark Wallace

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... comparisons of the near and far offset stacks at the reservoir formation level, suggested that the seismic data quality might be adversely affected...

Converted-Wave Prestack Time Imaging without using P-Wave

Search and Discovery.com

... conversion point) binning depend on each other due to time varying nature of conversion-points. In pre-processing, velocity analysis usually is done...

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... as a segmented reflection with a wide variation of amplitude (Figures 5-7). The application of AGC during processing can make the amplitudes of these segments...

Anisotropic 3D Amplitude Variation with Azimuth (AVAZ) Methods to Detect Fracture-Prone Zones in Tight Gas Resource Plays, #41531 (2015).

Bill Goodway, John Varsek, Christian Abaco

Search and Discovery.com

...’s intuition (compare Figures 1, 2, and 3). 4. The zero offset reflection has no azimuth variation. Anisotropic AVO Theory and Models from Ruger...

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

..., pre-stackdepth migration of offset planes was run using aKirchhoff migration, allowing all dips to produce depthmigrated common-image point (CIP...

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... section. Figure 10-27. 3-D pre-stack depth-migrated common reflection point gathers. The yellow and red dots superposed at zero offset (left side...

An 'Elastic Impedance' Approach, by Satinder Chopra and Ritesh Kumar Sharma; #41082 (2012).

Search and Discovery.com

Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)

Chris Bird, Kristopher Innanen, Laurence Lines

Search and Discovery.com

... reflection events. We will extend this method into the offset domain investigate aperture limitations. Finally, we will attempt our method on field data...

Uncovering Stratigraphic Plays With Point Source Point Receiver Acquisition in Environmentally Sensitive Areas

Search and Discovery.com

Utilizing Seismic for Higher Definition of Geologic Prospects: 2-D, 2-D Swath, and 3-D Seismic

R. Randy Ray

Rocky Mountain Association of Geologists

... acquired and each subsurface reflection point is carefully repeated. With such consistent acquisition techniques, changes in reflections tend to reveal...

Planning and Preparation of a Viable Pore Pressure Prediction in a Wild Cat High Pressure, High Temperature (HPHT) Exploration Well in Offshore Sarawak, Malaysia, #42173 (2018).

Avirup Chatterjee, Amitava Ghosh, Sanjeev Bordoloi, Robin Hutchins

Search and Discovery.com

.... The variation in lithologies has to be considered while selecting the relevant offset well. Secondly, understanding the drilling challenges in offset wells...

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

... in reflection angle. Figure 3 shows the resultant offset-restricted models after vertical differentiation. This figure contains the required AVA...

III. Evidence of Faulting

Robert E. Sheriff

AAPG Special Volumes

...------------------------- reflections with distinct character are offset on opposite sides of a fault and sometimes the overall reflection pattern shifts, even where...

Abstract: Some Workstation Techniques for Defining Reservoirs in Difficult Data Areas; #90171 (2013)

Norm Kalmanovitch, Dennis Meisinger, and Randi Christiansen

Search and Discovery.com

... offset approaches to reservoir determination. This is the case in the desert areas of North Africa that have a near surface configuration that to date has...

Seismic Interpretation Methodology for Fluvial Sandstone Reservoirs in Widuri Field, Offshore Southeast Sumatra, Indonesia

D. C. Carter, W. E. Harmony, L. Harvidya, G. Juniarto, S. Lestari, A. Purba

Indonesian Petroleum Association

... continuous marker horizons, such as coal seams. Amplitude variation with offset (AVO) is a successful lithology indicator. In the upper reservoirs...

Study of Sub-Salt Sediments in the Bayram-Ali Gas Region

V. A. Teplitskiy, I. P. Belozerov, B. M. Geyman, V. P. Lupanosov

Petroleum Geology: A Digest of Russian Literature

... based on the borehole and common depth point methods; 2-sub-salt interface based on a single reflection profile. There is a definite reduction...

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... analysed and the amplitudes at selected frequencies displayed • The process is repeated over a range of dips (0 -75°) at constant reflection point...

AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering

Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the amplitude variation of reflection events along spatial direction and MMF will be taken to recover the missing seismic data with the law...

Imaging a San Andres Reservoir with Interwell Seismic

James H. Justice, J. Craig Woerpel

West Texas Geological Society

... tomography with both shear and compressional waves, as well as interwell reflection profiling. Both sources and receivers operate at reservoir level...

Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)

Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt

Search and Discovery.com

... is the depth of the scatter point, x is the location of the source-receiver midpoint (MP), and h is half of the source-receiver offset. Considering...

Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

... (Common Offset Common Azimuth) and CACO (Common Azimuth Common Offset) displays are important, and should be reviewed to assess the presence of anisotropy...

P-S Converted Wave AVO Analysis for Reservoir Characterization

Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy

Indonesian Petroleum Association

..., P-S indicates a downward propagating P-wave that converts to an upward propagating S-wave after being reflected at its deepest reflection point...

Abstract: Progress in DAS Seismic Methods; #90224 (2015)

A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown

Search and Discovery.com

... with later pulses. A properly installed fiber has low or no optical reflection from its end, or any other point. However, end-reflections are not uncommon...