Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

... move-out (NMO) correction using a dominant frequency of 30 Hz. Figure 5D depicts a primary synthetic using a 15-Hz dominant frequency wavelet. Finally...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia

Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham

Indonesian Petroleum Association

... × 125M GRID SORTING OF THE EIGHT GROUPS OF 30 FOLD GATHERS INTO 240 FOLD "SUPER GATHER" NMO CORRECTION USING 3D STACKING VELOCITY FIELD RADON...

Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

... (Crampin, 1981). Using P-wave NMO velocity variation with azimuth (VVAZ), fracture orientation is considered to be in the direction of the fast P-wave...

Abstract: SS-wave Reflections from P-wave Sources in Azimuthally Anisotropic Media; #90187 (2014)

James Gaiser and Richard Verm

Search and Discovery.com

... analysis, constant velocity NMO corrections, and near offset stacking in 10 deg azimuth bins to assess the presence of S-wave splitting (Figure 2a...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... were not corrected for the tilted streamer geometry, the normal moveout (NMO) velocities which properly move out the primary arrivals for stacking...

The Impact of Anisotropic Mechanical Properties on Stimulation and Wellbore Stability in the Beetaloo Basin, Northern Territory, Australia

J Adam Donald, Thomas J. Neville

Unconventional Resources Technology Conference (URTEC)

... with relatively flat bedding. The strength, sometimes referred to as the unconfined compressive strength (UCS) or cohesion, may be different perpendicular...

Continental Margin Around the Western Coral Sea Basin: Structural Elements, Seismic Sequences, and Petroleum Geological Aspects

P.A. Symonds, J. Fritsch, H.-U. Schluter

Circum Pacific Council Publications

...; and interval velocities from sonobuoy refraction profiles computed from normal move-out (NMO) velocities obtained during seismic processing. Further...

Risk Reduction for Prospecting in the Unconventional Niobrara Play

Tony Rebec, Marino Pareja

Unconventional Resources Technology Conference (URTEC)

... data. For the Niobrara the estimated shear impedances show higher resolution than P-wave velocities estimated through NMO analysis, and allow anisotropy...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... an example of the Curvelet Transform applied to removing predominantly linear noises in Nomal Move-Out (NMO) corrected shot gather data. The left Panel shows...

Penggunaan seismik pantulan cetek dalam kajian enapan Kuaterner di delta Sungai Pahang, Pekan, Pahang (IN MALAY), Use of shallow seismic reflection in the Quaternary sediments of the Pahang River Delta

Lee Beng Huat, Umar Hamzah, Ahmad Jantan, Che Aziz Ali, Ibrahim Abdullah

Geological Society of Malaysia (GSM)

... ini dijalankan pada setiap selang 50 CDP untuk menges an perbezaan halaju penimbun antara CDP. Pembetulan gerak luar normal (NMO) menggunakan halaju...

Experience with Seismic Lithology (AVO) in Central Sumatra

Jeff Wright, Isdjulaedi Bakri, Budi Subiyanto

Indonesian Petroleum Association

... square fits to time slic amplitudes of the NMO corrected CMP gathers for every time slice. With the use of ray tracing and an input velocity model...

Evaluation of Seismic Exploration in Sub-Volcanic Reservoir Area by Synthetic Seismic Modeling

Yulia Nur Fajrina, Muhammad Ghazalli

Indonesian Petroleum Association

... Move Out processing. The Raw data will be filtered by spherical divergence, processing NMO with velocity data picked before, DMO then process...

Seismic Inversion

Michel Kemper

Petroleum Exploration Society of Australia (PESA)

..., t hough, there may be a phase shift or some residua l NMO/ misalignment in the data to correct for prior t o inversion. Here some recommended seismic data...

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...

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...

2D Seismic Lines Reprocessing Using Prestack Time Migration: Case Study of the Solimões Basin, by Ronan M. Avila and Leo R. Nascimento, #10231 (2010).

Search and Discovery.com

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...

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...

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...

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...

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...

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...

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...

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...