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The AAPG/Datapages Combined Publications Database

Showing 486 Results. Searched 194,578 documents.

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Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... particularly when seismic data has poor signal-to-noise ratio (SNR) with complex geologic settings where no clear reflector is present. Considering...


Abstract: AVO Analysis of a 2D Seismic Line in the Malay Basin (Paper 9)

Dashuki Mohd, Idrus Mohd Shuhud

Geological Society of Malaysia (GSM)

... at every 1 km interval, Radon velocity filtering and NMO correction. The NMO corrected CMP gathers were used for AVO analysis. The AVO analysis...


Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)

Emil Blias

Search and

...-density automatic non-hyperbolic NMO picking, (ii) Analytical NMO inversion to estimate shallow velocity structure, (iii) Non-linear horizonbased traveltime...


Abstract: AVO Compliant Spectral Balancing; #90171 (2013)

Nirupama Nagarajappa and Jon Downton

Search and

... the amplitude versus offset relationship introducing systematic error into subsequent AVO analysis. Further, spectral balancing is often performed after NMO...


All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... are shown in Figure 7. It is noticeable that the bright event on the gathers, which is the Nura-Nura reflector, shows a pattern where, as the azimuth...


Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

..., Deconvolution, Initial Statics, Velocity Analysis, Residual Statics, NMO, Mute, Stack with velocities and residual statics usually iterated a second time...


The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

...'). The result is best illustrated on combined velocity analyses (Figs 3-6), showing normal-moveout (NMO) corrected gathers, constant velocity stacks...


Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... ahead of schedule. Reflector’s depth is confirmed using not only velocity data from well W-20 but also from the neighboring field. New interpretation...


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

... data, from its outcrop on the Isle of Lewis to its intersection with MOIST, at about SP 3400-3500 (Figure 2). Westerly-dipping sedimentary rocks...


Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)

David C. Henley

Search and

... conventional statics correction methods, is a set of NMO-corrected source or receiver gathers. Each gather is transformed to the radial trace (RT) domain...


Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

... seismic data acquisition. Generated P-waves are reflected by reflector (R) as P-waves and S-waves (converted waves P/SV). Vp/Vs Ratio Laboratory...


Section 3: Displays of Seismic Sections: Forearc Margin, Central Aleutian Ridge

David W. Scholl, Jill McCarthy, and Holly Ryan

AAPG Special Volumes

... University. This work consisted of demultiplexing, sorting, trace editing, velocity analysis, NMO correction, bandpass filtering, 24-fold common depth...


Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and

... and receivers. The proposed method can converge to a local maximum. To avoid this, it is necessary to have good NMO velocities and have a starting...


Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and

... attenuation has been successfully applied on seismic volumes. In this publication we look at the problem of noise attenuation on CDP NMO-corrected...


Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... were produced of reflector coherency as a function of stacking velocity and two-way travel time (Figure 6). These coherency plots were used...


Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)

Amin Baharvand Ahmadi, Igor Morozov

Search and

... and calibrate the NMO-corrected VSP data to the surface seismic records, the VSP to CDP transformation was conducted by using the same CDP binning...


Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and

... mapped. The Antelope Member is in light blue. It is underlain by the McDonald Shale Member (approximated by the high amplitude continuous reflector). Note...


Marine Statics

Chiem Boon Hong

Geological Society of Malaysia (GSM)

.... Normal moveout (NMO) correction can then be easily done to correct for such effect in later stage of processing. The variation in transit time through...


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)

... arrival resulted from the use of inaccurate source and receiver depths during processing, and in particular, not correcting for the dipping streamer...


Optimización de Migración Pre-Apilado en Tiempo Tipo Kirchhoff para Datos Sísmicos 3D en los Llanos Orientales [PAPER IN SPANISH] Migration Optimization of Pre-Stack Kirchhoff Time Type of 3D Seismic Data in the Eastern Plains

María Isabel Prieto, José María Jaramillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...) describieron la ecuación de tiempo de viaje de la onda P, para un reflector plano en un medio anisotrópico a través de la ecuación (5) 2 t 2 = t0 + y2 V 2 NMO...


Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... response of a segment curved reflector. This operator depend on three as can kinematic wavefield attributes be seen in the following equation (Houcht et al...


Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)

Keith Wilkinson, Richard Bale, and Ken Gray

Search and

... data, multiples are often easy to spot on a stack because of their similarity to the multiplegenerating reflector; this is usually the water bottom...


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...


ABSTRACT: North Sumatra Basin Organic Content Estimation Using Anisotropic Rock Physics Modeling Based On Core, Log And Seismic Data

R. Ryacudu, T. S. Priantono, P. M. O. Iriana, G. W. Purnama, D. Risdianto

The Society for Organic Petrology (TSOP)

...   seismic   gather,   whereby   the   isotropic  normal  moveout  (NMO)  reveals  the  phenomenon  called  the  hockey...


Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... of this final model is velocity analysis. Conventional normal moveout (NMO) velocity analysis is utilised to produce a move-out or stacking velocity field...


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