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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,673 documents.

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Forward Modeling to Improve Seismic Acquisition Design

Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... shot gathers were Normal Move Out (NMO) corrected and stacked; and section B was pre-stack time migrated. To validate the model used, we correlated...

2006

Avo Azimutal (AVAZ) en la Detección de Fracturas: Caso de Estudio en Tres Campos de REPSOL-YPF Cuenca Neuquina, Argentina [PAPER IN SPANISH] AVO Azimuthal (AVAZ) in Fracture Detection: A Case Study Over Three REPSOL-YPF Fields in Neuquina Basin, Argentin

D. Curia, C. Regazzoni, M. D. Roizman

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... las velocidades aplicadas reduciendo así los problemas de NMO residual, eliminar los ruidos aleatorios y ruidos organizados, incluyendo los arribos...

2006

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

... also makes borrowing of traces with partial normal moveout (NMO) problematic for SRME. Consequently an alternative approach to multiple removal...

2016

4D joint inversion and close-the-loop for production history matching and forecasting

Kelly Wrobel, J. P. Blangy, Tony Rolland, Evan Mutual, Klaus Bolding Rasmussen, Wendell Pardasie

International Meeting for Applied Geoscience and Energy (IMAGE)

... to a successful close-the-loop study. This workflow uses measured seismic data that has already been NMO corrected for source-receiver offset and has been...

2023

3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project

Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik

Petroleum Exploration Society of Australia (PESA)

... stack produced from check-shot acquired with geophones, and geophone check-shot data after NMO correction. The displayed DAS inline coincides with CRC-2...

2018

Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field

Patrick Fouchard, Scott Leaney, Sugimin Harsono

Indonesian Petroleum Association

.... Small amounts of gas may also lead to a false AVO effect. Figure 4. CDP synthetics after NMO correction. From left to right: Vp/Vs for water and gas...

1996

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... interpretation. Seismic gather conditioning improved seismic data quality prior to prestack inversion by improving signal/noise ratio, removing NMO stretch...

2016

Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion

Margarita Pavlova

Petroleum Exploration Society of Australia (PESA)

... energy and NMO stretch on the far offsets. Consequently, the usable angle range for inversion was chosen to be 10-32 degrees. Data conditioning techniques...

2019

Relative inversion for extended elastic impedances

Peter Harris, Kathryn Young

International Meeting for Applied Geoscience and Energy (IMAGE)

... and wavelet stretch from near to far angles due to NMO stretch or differential attenuation, both of which make the gradient even less stable. The extended...

2024

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

..., migration technique, removal of residual NMO, etc. Severe filtering techniques such as low cut filtering to remove ground roll noise should be avoided...

2017

Subsurface Image Comparison between Active Seismic Data and Interferometry Seismic for a Mud Volcano Case in Wringin Anom, East Java

Triswan Madani Ade Surya, Nur Rochman Muhammad, Nathasya Abigail, Firman Syaifuddin

Indonesian Petroleum Association

... continuity. Velocity model is derived from velocity analysis process and used as input for NMO (Normal Moveout Correction) and Stack. Figure 5...

2017

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... (bottom right corner) and its band-pass filtered versions. There was no correction applied to the raw data except for NMO correction. Note...

2004

De-Risking Exploration Well in A Mature Basin, Jabung Block, South Sumatra Basin: Application of Avo Analysis in A Sub-Unconformity Play

Lucky Kriski Muhtar, Mawar Indah Nursina, Iman Suripto Suyatno, Henri Heru Prasetijo, Hendra Niko Saputra

Indonesian Petroleum Association

... applied to get less noise CDP gather after NMO as input to AVO analysis. Furthermore, log conditioning was done to remove spiky and bad- hole log data...

2022

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

... autostaticsVelocity analysis and NMO correction 1 mi grid3-D SC autostatics Shot Domain Noise Reduction—Air Blast/Surface Wave AttenuationResidual statics QCSurf...

2014

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

... analysis, 2nd pass residual statics, normal moveout (NMO), and trim statics, Prestack interpolation, ¼ mile × ¼ mile prestack time migration (PSTM...

2016

Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand

Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher

AAPG Special Volumes

... filtering. Because of the low fold and short streamer offset, the normal moveout (NMO) velocity function was set to 1500 m/s (4921 ft/s) at the sea floor...

2009

Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)

T. J. Focht, M. Sams, D. Brookes, J. Ting

Geological Society of Malaysia (GSM)

... inversion. However, a look at the NMO corrected seismic gathers showed that the events were not flat across the entire offset range and deviated upwards...

2012

3.2 Basement Involved: 3.2.1 Crustal Profiles: The Moine and Outer Isles Seismic Traverse (MOIST)

J. A. Brewer and D. K. Smythe

AAPG Special Volumes

... traces, equally weighted, within shotpoint-gathers Source array simulation: Running mix of five adjacent traces within NMO-corrected CDP gathers...

1983

Tectonic Analysis of a Viking Graben Border Fault

Nils Fagerland

AAPG Bulletin

... deconvolution before stack; 1:2:1 mix with differential NMO correction. Twenty-four lines were migrated. Line 150 in the south and lines 171, 173, 175...

1983

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

2013

Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)

Yong Xu and Satinder Chopra

Search and Discovery.com

... domain; (3) accounting for the strong reflection from the McMurray-Devonian interface; and (4) reducing the distortion due to NMO stretch...

2013

Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and Discovery.com

... with mining. a b Figure 5: Well logs (P velocity in blue, S-velocity in green, and density in red) and synthetic PP (a) and PS (b) seismogram (NMO removed...

2013

Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)

Jon Downton, Benjamin Roure

Search and Discovery.com

... initial layered elastic model defined in the time domain. By using angle stacks, NMO stretch (Roy et al. 2005) and scaling issues can be addressed...

2014

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

..., including loading geometry information, horizontal rotation for x & y components, spherical divergence compensation, deconvolution, velocity analysis and NMO...

2014

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