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The AAPG/Datapages Combined Publications Database

Showing 485 Results. Searched 193,507 documents.

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Abstract: Full Anelliptic Time Processing (Paper 7)

Charles Zeltser

Geological Society of Malaysia (GSM)

... into account during the subsequent processing steps such as normal moveout (NMO), dip moveout (DMO), and prestack time migration (PSTM). Anelliptic time...


ABSTRACT: Confirming Depth Models using Differential Wide Aperture Seismic; #90061 (2006)

James H. Leven

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...-stack depth migration or for precise depth conversion, particularly for field definition. Normal moveout (NMO) “velocity” analysis is a relatively...


Abstract: Geophone and MEMS Accelerometer Comparison at Spring Coulee, Alberta; #90171 (2013)

Michael S. Hons and Robert R. Stewart

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... accelerometers above 150 Hz. Further analysis of NMO-corrected receiver gathers shows there is greater frequency content in the MEMS accelerometer...


Abstract: AVO Effects and Velocity Analysis; #90211 (2015)

Emil Blias

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... determination for non-hyperbolic NMO functions...


Abstract: Simulteneously Acquring 3D-3C Well Data During 3D Surface Seismic Survey: A Useful Quality Control Tool; #90211 (2015)

E.L Bongajum

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... parameters on existing sonic logs is used to assess the smoothening of the velocit y model on travel time, NMO correction, stacking and geometri cal...


Abstract: Initial Wavelet Estimate of EPSI in Shallow Water; #91204 (2023)

Rob Hegge, Rolf Baardman, Roald van Borselen

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... an alternative method to derive the initial wavelet, which applies NMO using water velocity on the same range of near offset traces and then stacks them...


Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

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... picked using semblance analysis and constant velocity stack scans. The velocities were then used to create NMO-corrected gathers. A manually picked...


Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

... (P-wave) does not suffer from non linear NMO stretch effects. Diagram 1. Correlating normal incidence trace from the AVO inversion of the Surface...


Seismic Attenuation Analysis for Reservoir Description

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... with a straight line. PFVO operates on a CMP gather without NMO, because NMO stretch at far offset distorts the spectrum of reflections. For a Ricker shape spectrum...


Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin

Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji

Indonesian Petroleum Association

... interpretation.  In determining the value of depth, slope, thickness of a reflective plane (reflector) understanding seismic wave velocity is essential...


The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

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... residual static correction is advised. The final stacking velocity is used to flatten the events in CDP gathers to obtain NMO corrected gathers...


Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The separation between NMO corrected primary events and multiples is also greater at longer offsets allowing belter multiple suppression in the final...


Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... the application of VVAZ technique. Grechka and Tsvankin (1998, 1999) defined azimuthaldependent NMO velocity by a 3D ellipse. Ellipse model...


Southern Green River Basin/Moxa Arch

Scott L. Stockton, C.M. Hawkins

Rocky Mountain Association of Geologists

..., generally a poor or weak reflector (Fig. 4), is vertically divided into three or more members. The “First Frontier’’ is a nondescript facies transition...


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...


Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico

Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey

AAPG Special Volumes

... Technology Conference, Paper No. 5944, v. 1, p. 599607.Rowe, M., and J. Gettrust, 1993a, Faulted structure of the bottom simulating reflector on the Blake...


Results of a 3-D Seismic Shoot at Lopeno Field, Zapata County, Texas

By Richard W. Debus and E. E. Rudder

GCAGS Transactions

... of the Lopeno Fault System. The partners in the field were also banking on a 3-D survey to improve horizontal resolution of the steeply dipping sands...


Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... of the data. The flattened data can be transformed to the frequency- wavenumber (FK) domain to allow analysis of dipping events in this domain. On a FK...


Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

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... may fall short to characterize wave propagation effects in such layered media. Consequently, this may result in poor results from NMO and migration...


True-Azimuth 3D Surface-Related Multiple Elimination

Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... data reconstruct ion, and relying more on to being 1D applications, e.g. tau-p sou rce and receiver locations are honoured in differential NMO...


Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)

Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao

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... of reservoir heterogeneity, VTI velocity analysis is firstly implemented. Figure 5 gives the comparison of the conventional and VTI NMO velocity analysis...


Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... to a subsurface reflector and back to the receivers is mostly a matter of inference based on the characteristics of the source and on the properties...


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