DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... and Xo as the distance between CMP (Common Middle Point) and CRP (Common Reflection Point), their NMO, DMO and migration relationships can be easily...

Quantitative Interpretation in the Bedout Sub-basin: The value of seismic inversion in areas of sub-optimal seismic data quality

M. Kongawoin, A. Pauli, A. Locke, L. Hansen

Petroleum Exploration Society of Australia (PESA)

...-stack data, showing a gradient derived from offset gathers using contributions from incidence angles 05–30˚ and 05–55˚, the gradient volumes are band pass...

Salt Geology and Hydrocarbon Plays in the Northeastern Gulf of Mexico, by Abu Chowdhury, #10215 (2009)

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Joint velocity and event location inversion workflow in microseismic reservoir monitoring

Takashi Mizuno, Joel Le Calvez, Manish Lal Khaitan, Giulia Barisione, Irina-Tulia Stoia, Prakash Ranjan, Stefano Clerico, Xinyuan Li, Zheyuan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...  Invertibility Analysis Using Synthetic Data for a Vertical Well In equation (3), the calibrated velocity model is expressed as the sum of the original velocity...

Integration of Surface and Subsurface Tools in The Reservoir Characterization of Unconventional Plays; #41211 (2013)

Roderick Perez

Search and Discovery.com

.... These geomechanical properties were defined, calibrated, and computed using specialized logging tools such as: mineralogy, density, and P- and Swave sonic...

Cape Ford-I: A Case History of True Amplitude Processing for Inversion to Acoustic Impedance and Porosity Prediction

M. Rauch-Davies, P. Woods

Petroleum Exploration Society of Australia (PESA)

... stack generated from preserved amplitude processed gathers, time horizons of relevant reflectors, and a low-frequency velocity trend derived from offset...

Amplitude enhancement of far-offset refractions via machine learning

Lurun Su, Han Wang, Jie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... analysis and time-depth calculation. To image the near surface and crustal velocity structures, seismic refraction traveltime inversion and tomography...

3D seismic modelling fast adaptability in the face of operational constraints „ A case study

Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the most used and most efficient algorithm to construct offset gathers. It allows to obtain a reflectivity model from seismic data, using a macro-velocity...

Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison

Tan Boon Hua, Lothar Schulte

Indonesian Petroleum Association

...Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison Tan Boon Hua...

Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia

Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... 3000 Fig. 4. The Kirchhoff CIP gathers using model from (a) the smooth starting model and (b) the FWI updated velocity model. The gather flatness...

Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝑆𝑆 𝑐𝑐 ; 𝑟𝑟𝑄𝑄−𝑃𝑃 is the distance between point 𝑄𝑄 and 𝑃𝑃; 𝑘𝑘 = 𝑤𝑤 ⁄ 𝑣𝑣 𝑤𝑤 is wave number, where 𝑣𝑣 𝑤𝑤 is the seawater velocity...

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

... primary reflection events (Fig. 4 A ) . To overcome this problem, the velocity analysis was enhanced by first dip-filtering the CDP-gathered data using...

NATS on WATS seismic imaging, rock property modeling and interpretation using machine-learning techniques to inform reservoir quality and deliverability in the Gulf of Mexico

Peter Lanzarone, Shenghui Li, Kang Fu, Kenny Gullette, Jeff Thompson, Gabriel Ritter

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterization target logs for our prediction. The analysis consisted of training the PNN using 4 attributes (apparent polarity of intercept, integrated...

Extrapolated surface-wave dispersion inversion

Hongyu Sun, Laurent Demanet

International Meeting for Applied Geoscience and Energy (IMAGE)

... interferometric virtual shot gathers and demonstrate the benefits of such low frequencies in velocity model building using a field dataset...

EXTENDED ABSTRACT: Sub-basalt imaging from a wave propagation point of view; #90022 (2002)

Richard Hobbs, Francesca Martini

Search and Discovery.com

... & Martini…Page 3 Figure 4. Synthetic CMP gathers from location 1400 (Fig.2 & 3) windowed to show the reflections from the two velocity boundaries...

Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale

Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt URTeC...

Bottom Cable 3-D Seismic Operations in the Transition Zone

Ezhar Manaf, Bambang Indroyono, Peter C. Johnson, James A. Musser

Indonesian Petroleum Association

... data coverage of the target objectives. Hydrophone and geophone data often contribute to common gathers. Such trapes were carefully phase matched...

Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...l wave using a simple windowing function. Moreover, possible velocity changes in the water column and the unknown source wavelet make it challengin...

Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI

ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a refinement of the velocity model was achieved. Figure 5a shows the accumulated velocity perturbation and 5b shows the angle gathers from wave-equation...

"Colour Imaging of Velocity Variations Due to Fracture Porosity and Fluid Content [Abstract]"

Landwer, W.R.

CSPG Bulletin

..."Colour Imaging of Velocity Variations Due to Fracture Porosity and Fluid Content [Abstract]" Landwer, W.R. 1991 216 217 Vol. 39 (1991) No. 2. (June...

Abstract: A Tour of High Resolution Transforms; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

... using the high resolution Gabor transform. To complete the analysis we portray the classical Gabor transform obtained from the incomplete data (Figure...

2013 Update of Southern Mid-Continent Theses and Dissertations

Neil H. Suneson

Oklahoma City Geological Society

... reflection point migration and velocity analysis for anisotropic media. MS. Pacheco, Sylvia, 2012, Full wavefield reflectivity inversion for synthetic...

Seeing through the Salt

Jerry Kapoor, Nick Moldoveanu, Denes Vigh

GCAGS Transactions

... optimization method that minimizes the residual depths from common-imaged-gathers (CIG); however, in the Gulf of Mexico geological setting, reflection...

ReGenerating the Gippsland Basin

J. Firth, K. Zhao, S. Birdus, N. Mudge, J. Zhou

Petroleum Exploration Society of Australia (PESA)

... amplitude-versus-offset (AVO) analysis. High-resolution velocity modeling and imaging, using techniques such as Figure 3: Kirchhoff PSDM seismic crossline...

Processing and Interpretation Considerations for Full Waveform Inversion of PSDM Velocity Fields

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