Case Study: Can We Use Angle Gathers to Detect Fracture Distribution of Carbonate Reservoir in Rama Field?

Zha Chaoyang, Sun Pengxiao, Shen Xiaohong, Wen Shuliang, Tang Donglin, Heng Liqun

Indonesian Petroleum Association

... of the fracture system using these seismic data. According to AVO (Amplitude Versus Offset) * CNOOC SES Ltd © According to AVO (Amplitude Versus...

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... in traditional semblance to account for polarity anomalies due to amplitude versus offset (AVO) phenomena. The trend utilised was based on the Shuey...

Seismic Anisotropy Modelling and Fluid Substitution for Carbon Dioxide (Co2) Well Storage Project In Carbonate Reservoir

Pebrian Tunggal Prakosa, Thariq Guntoro, Ahmat Dafit Hasim, Okok Wijaya, Yulia Putri Wulandari

Indonesian Petroleum Association

... on Biot-Gassmann formula for knowing the change of Vp and Vs in CO2 saturated condition. Then, we make seismic wave modelling with Amplitude Versus Offset...

AusAEM Year 1: Some aspects of quality control and calibration

Ross C. Brodie, Yusen Ley-Cooper, Ray Lockwood, David Murray

Petroleum Exploration Society of Australia (PESA)

... to the calibration of the receiver pitch and EM data scaling. We developed an inversion algorithm to solve for a receiver pitch offset and an EM scaling calibration...

Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)

Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen

Search and Discovery.com

... and Discovery Article #90224 GeoConvention © 2014, FOCUS - Adapt, Refine, Sustain Calgary, Alberta, Canada, May 12-16, 2014 Horizontal (real), offset...

A Model-Based Method to Supply Missing Log Information, by Michael A. Frenkel, #40106 (2003).

Search and Discovery.com

Improving Sea Bed Logging with Magnetic Field Measurements; #42230 (2018)

Teruhiko Hagiwara

Search and Discovery.com

... that are indicative of the depths of investigation. It was shown that the data set with a constant offset clearly indicates a resistivity anomaly...

A Case Study on the Challenges Overcome in the Merge of Seven On-Shore 3-D Surveys of Varying Acquisitions in Huila Department, Colombia

Henry Maldonado, Timothy Brooks, Lilia Maria Saavedra, Gilbert Gutierez, Albeiro Saavedra, Peter Watterson

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... despite the variability in offset ranges, bin size and fold of coverage in the input volumes. Additionally, reprocessing of the data delivered a much...

Portable airgun tank for land VSP applications

Alejandro Martinez, Jorge Castillo, Helmut Gmach, Rafael Barcelos, Jose Sales, Ramiro Santivanez

International Meeting for Applied Geoscience and Energy (IMAGE)

... for vertical seismic profile (VSP) acquisition, as well as added flexibility to maximize the value of BHS surveys, such as offset VSPs. Introduction Land...

Mesozoic Intrabatholithic Faulting, Sierra Nevada, California

Ronald W. Kistler

Pacific Section SEPM

... of the batholith with Sri>0.7 06. Offset, late Early Cretaceous metamorphosed volcanic rocks and sheared Early Cretaceous Plutonic rocks...

Post-Laramide Deformation Along the Eastern Margin of the Colorado Front Range--A Case Against Significant Faulting

Eric M. Leonard, Richard P. Langford

Rocky Mountain Association of Geologists

... of the Southern Rocky Mountains. Where best constrained, post-Laramide offset on the range-bounding faults appears to have been only 90-95 m. The uncertainty...

Deep water OBN multiple prediction from local reflectivity in the Stolt domain

Cesar Ricardez

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset. For a flat Water Bottom (WB), the free surface WBrelated multiples can be accurately predicted by simply offsetting the data by twice the WB...

Extended Abstract: Seismic Interference Attenuation

Johan-Fredrik Synnevåg, Arne Åsnes

Petroleum Exploration Society of Australia (PESA)

... to common offset. and Pattberg (200 1) propose va ri ous methods median, and a sample was flagged as noise if it exceeded tw ice th is value. Panel...

Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data

Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu

GCAGS Transactions

...Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu 2015 3 7 Vol. 65 (2015) Vector...

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... signal-to-noise ratio while producing a seismic time section that simulates what would have been recorded in a zero-offset seismic survey, that is, one...

Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)

Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall

Search and Discovery.com

... stratigraphy in the near-surface environment. Two offset VSPs were obtained with the vibrator located 15m and 30m south of the wellhead. The vertical...

Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)

Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack

Search and Discovery.com

... midpoint Offset Azimuth Otherwise one gets poor cancelation of overlapping migration impulse responses, resulting in migration artifacts (Gardner...

Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... of the oblique reflector. An example in Figure 1 shows two 2D poststack migrations of the same zero-offset data with migration velocities (a) at VRMS and (b...

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... toward the receiver, vary with depth and depend on the Vp/Vs ratio, where Vp is P-wave velocity and Vs is S-wave velocity. A quartic equation for offset...

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

.... We describe the problem in terms of the average amplitude variation of the first arriving wavetrain of these data with offset bins (AVO), and present...

Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)

Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross

Search and Discovery.com

... interval is 60 m. The normal stacking fold for the natural CMP bin size (30 x 30 m 2) is only 8 at 700 m offset, which is low compared to the average survey...

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... of the finite difference data using ray tracing methods. In this paper, we studied the feasibility of performing the depth migration by Equivalent Offset...

Merging Surveys with Multidimensional Interpolation; #41552 (2015)

Daniel Trad, Matt Hall, Milka Cotra

Search and Discovery.com

... methodologies to complete a simultaneous interpolation in five dimensions: offset, azimuth, inline, crossline and frequency. The biggest challenges were posed...

Deciphering Seismic Amplitude Language; #41981 (2017)

Luis Vernengo, Eduardo Trinchero, Satinder Chopra

Search and Discovery.com

.... This will have a bearing on the type of amplitude variation with offset (AVO) anomaly to expect. For example, consolidated sands may exhibit a class 1 anomaly...

Cenozoic Palinspastic Reconstruction, Paleogeographic Evolution and Hydrocarbon Setting of the Northern Margin of South America

James L. Pindell, Roger Higgs, John F. Dewey

Special Publications of SEPM

... of active thrusting in associ idad Many of these are the sites of active thrusting in association with differing degrees of strike slip offset...