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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,357 documents.

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Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... This process involves automatically NMO and stacking shot gather from floating datum using a constant speed. In this process the scanning velocity...

2019

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

... because the speed calculation for NMO correction must be accurate to generate good data quality. Conversely, the offset with a bad combination can...

2019

CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)

M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk

Geological Society of Malaysia (GSM)

... of the commonreflection-surface stack method. Logos Verlag Berlin. Mueller, T., 1998. Common reflection surface stack versus NMO/ stack and NMO/DMO/stack...

2012

Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... has a strong effect on all seismic wave propagation aspects; it causes shear wave splitting, azimuthally-dependent NMO velocity, and amplitude...

2014

Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)

R. Soubaras, R. Dowle, and R. Sablon

Search and Discovery.com

... from the wells may be inaccurate and yield biased inversion results. The typical solution is to use NMO-derived seismic velocities to define...

2014

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

... energy rather than from P-wave first-breaks. This new method finds a solution that maximizes the power of the stack over azimuth of the NMO-corrected PS...

2014

Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)

Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra

Search and Discovery.com

..., AB, Canada and P wave NMO velocity differences parallel and perpendicular to fractures, respectively), while the VVAZ and SWS responses depend...

2014

Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... normal moveout (NMO) corrections, an appropriate inside mute and outside mute to each shot gather, and then inverse NMO to the gathers. A representative...

2014

Enhancing Seismic Data Resolution with Multi-Attribute Analysis Using Both Well Log Data and Seismic Data … A Case Study, #70281 (2017).

K. John R. Fernando

Search and Discovery.com

.... Velocity Analysis, NMO, Mute 4. 3D Pre-Stack Migration COMMON DEPTH POINT GATHER A) Seismic data a) 3D Pre-Stack Migrated Stack data b) Angle Stacks...

2017

New Data Reveals Sub-Salt Levantine Basin

Øystein Lie, Per Helge Semb

GEO ExPro Magazine

... and NMO stack. The up-going pressure wavefield (P-up) derived from the dual-sensor data was extrapolated to the 2006 survey streamer depth...

2009

Reduction of the Seismic Data Management Problem by Sign Bit Recording

J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby

Indonesian Petroleum Association

... are suppressed by applying the correct NMO and statics mathematical operators in the stacking process and that only the desired reflection signal f (x...

1979

Análisis e Implementación de la Transformada Karhunen-Loève (K-L) en Datos Sísmicos de Reflexión [PAPER IN SPANISH] Analysis and Implementation of Karhunen-Loève Transformation (K-L) in Seismic Reflection Data

Andrés Calle, Zayra Pérez, Carlos Pérez, Germán Ojeda

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... posible plantear esta atenuación de dos formas: en la primera, los datos de entrada son pertenecientes a un CMP corregidos por NMO usando el perfil...

2008

Atenuacion de Ruidos Coherentes de Origen Superficial en el Procesamiento de Lineas Sismicas del Area Maquia-Cachiyacu, Cuenca Ucayali, Subandino del Peru [PAPER IN SPANISH] Coherent Attenuation of Noise Originating from the Surface while Processing Seis

Javier Soto Gomez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... la determinacion de los parametros de filtro a uti1izarse, De esta manera el filtraje de inc1inacion despues de la correccicbn por NMO, aprovecha la...

1991

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... derive velocity model from the recorded traveltimes. Results from normal moveout (NMO) velocity analysis can be useful when we are dealing with simple...

2021

Seismic Considerations for Classifying Proven Resources/Reserves:West Africa Example

Jeffrey S. Ogilvie and Bill L. Keyser

Houston Geological Society Bulletin

...) rock property cross-plots; (d) reflectivity sensitivities; (e) acoustic and elastic models; (f) NMO angle/offset gathers and volumes; (g) thickness...

2004

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... shows the seismic data conditioning workflow prior performing AVO analysis and pre-stack seismic inversion. The PSDM NMO’ed gathers from the latest...

2021

Abstract: Quick Look Prospect Sizing -- Mississippi Canyon

Eric C. Zimmermann, Michael F. Liebelt

GCAGS Transactions

..., 50 meter line spacing, 25 meter group intervals, and an eight second record length. The basic processing steps included spiking deconvolution, NMO, DMO...

2001

EXTENDED ABSTRACT: Calibration of Predicted Pore Pressure: Perceptions and Pitfalls

Selim Shaker

GCAGS Transactions

... extracted from root mean square (RMS) velocity is widely used for this transformation purpose. Velocity picks from normal move out (NMO...

2008

Time-Domain High-Resolution Radon Transform (Geophysics Paper 4)

Michel Schonewille, Peter Aaron, Carl Notfors

Geological Society of Malaysia (GSM)

... utilizing moveout differences were applied in the F-K domain. The procedure was typically to first apply NMO with a velocity slightly slower than the medium...

2008

Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study

A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil

GCAGS Transactions

... reflections (Ali et al., 2024). After filtering, the residual wave field after this step was NMO corrected to two-way time via a VSP travel time-calibrated 2D...

2025

1.2 Seismic Stratigraphy: 1.2.2 Unconformities: High Relief Topography on the Jurassic Unconformity (Alabama)

J. R. English and J. S. Oslund

AAPG Special Volumes

... (58 m) Surface consistent statics Predictive deconvolution Filter: 8-16-55-75 Velocities from NMO Wave equation migration Amplitude...

1983

2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea

A. C. Evans and D. N. Parkinson

AAPG Special Volumes

... corrected to sea level + 0.02S Deconvolution: Predictive Migration: 401-fold. 100% NMO velocities Time and space variant bandpass filter within...

1983

Section 3: Displays of Seismic Sections: Convergent Margin Off East Coast of North Island, New Zealand, Parts I and II

F.J. Davey, K. Lewis, J.R. Childs, and M.A. Hampton

AAPG Special Volumes

... pre-stack partial migration, velocity analysis, NMO correction, 24-fold stacking, filtering, finite-difference migration, AGC, filtering, and scaling...

1986

Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation

R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer

AAPG Special Volumes

... velocity changes. TUS = top Utsira sand; BUS = base Utsira sand; TWT = two-way traveltime.Two normal moveout (NMO)-corrected common-midpoint (CMP) gathers...

2009

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