Abstract: Prestack Time Migration and Impedance Inversion of a Mississippi Lime Reservoir, Osage County, Oklahoma, U.S.A, by Dowdell, Benjamin L.; Marfurt, Kurt; #90163 (2013)

Search and Discovery.com

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

..., as a function of vertical two-way traveltime (T) for each major reflector. V nmo assumes that the measured traveltime is a hyperbolic function of the offset...

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... 910 924 75 5. (May) Seismic reflection data recorded near ODP Site 688, offshore Peru, exhibit a persistent bottom-simulating reflector (BSR) from...

AVA on communication cables: Principles and Examples from the North Sea

Ran Bachrach, Ali Sayed, Andrea Murineddu, Pilar Di Martino

International Meeting for Applied Geoscience and Energy (IMAGE)

...rs, then, after inversenormal moveout (NMO), the data were converted to strainrate by differentiation along the horizontal axis (equation 3). This synthetic S-D...

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...

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... information above the reflector, and the CDP geometry, it is possible to model the observed amplitude variation. Such modeling can result in useful...

The Deer Lake Basin, Newfoundland: Structural Constraints from New Seismic Data

James A. Wright, Brian H. Hoffe, George S. Langdon, Garry M. Quinlan

CSPG Bulletin

... et al., 1992) collected regional-scale seismic data along the western edge of the basin. Waldron and Stockmal (1994) correlate a well defined reflector...

A depth uncertainty estimation system with prestack seismic data

Huafeng Liu, Andrey H. Shabelansky, Jinsong Chen, Min Yang, Cory J. Hoelting, Ying Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... modeling method is governed by an NMO-type of equation (Alkhalifah and Tsvankin, 1995, Alkhalifah, 1997...

Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach

Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha

Indonesian Petroleum Association

.... It presents several advantages when compared to conventional stacking methods such as NMO/DMO stack; firstly it uses a traveltime moveout formula...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... PASS FILTER: VELOCITY RANGE: (see text) 100 ms 4-8-30-35 Hz 1400-6500 m 6. NMO CORRECTION 7. MUTE 8. 24-FOLD STACK: WEIGHTED: by offset (100 m) 9...

Unconventional Processing for 3D Data: A 1993 Case History

Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun

Indonesian Petroleum Association

... calm image of the sea-bottom reflector. In the Peciko Area, the hydrocarbon bearing levels are located approximately from 2 to 3 seconds. At that depth...

Un Nuevo Enfoque para el Analisis de la Variación de la Amplitud con el Offset (AVO) [PAPER IN SPANISH] A New Approach to the Analysis of the Amplitude Variation with Offset (AVO)

Consuelo Garcia Mojonero, Angela Echanove Homos, Agustin Arrieta Murillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... centra el nuevo metodo. Partimos de un conjunto de CMP's procesados en amplitud preservada y corregidos de NMO. Estos CMP's se cargan como una...

Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps

M. Azuddin M. Yusof

Geological Society of Malaysia (GSM)

... data at a particular seismic reflector to distinguish amplitude changes. This near and far angle stack method, however, has a serious limitation. If we...

Active Margin: Volcanics, North Island, New Zealand

D. Bradford Macurda, Jr.

AAPG Special Volumes

...), and then the occurrence of the volcanic event--the mound above (3). The high-amplitude reflector--seen just below the mound--correlates directly...

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... velocity above the reflector target. For complex medium, a relation between the NMO velocity and the real medium velocity is hard to obtain...

Abstract: Converted Wave Processing to Reveal Signal of Highly Noisy Single Sensor Data; #91204 (2023)

Victor Dolgov, Bahaaeldin Kamel

Search and Discovery.com

.... In the second step, we wanted to apply this approach to see if it would work for PS data. Unfortunately, supergrouping methodology requires NMO...

Potential Natural Gas Hydrates Resources in Indian Offshore Areas, by A.K. Sethi, A.V. Sathe, and M.V. Ramana; #90035 (2004)

Search and Discovery.com

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... suppression, spectral balancing and non-flat events alignment techniques are applied to these gathers, so we can obtain a pre-stack result data...

Chapter 8: Amplitude Versus Offset

Tom Wittick

North Texas Geological Society

... associated with the Hartshorn gas-sand reflector. The last few traces in the gathers at far offsets are distorted by NMO stretch. After Rutherford...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... filter, the multiple flat events were removed. After transforming back into the time domain, the NMO correction was removed. Conventional velocity...

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

... conditioning workflow. The elements in this workflow are only applied if needed. This is particularly applicable to de-multiple and reflector alignment. Both...

Characterizing seismic anisotropy and AVO using walkaway VSP: Willow oilfield, Alaska

Manish Lal Khaitan, Ali Sayed, Shujaat Ali, Trey Wagner, Jonathan Scorer, Brett Wendt

International Meeting for Applied Geoscience and Energy (IMAGE)

... direct shear arrival removal (top) and shot gathers after median filtering to remove non-flat events (bottom) in NMO domain. Second International Meeting...

Refraction multiple attenuation by pattern-based machine learning with a case study

Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... consistent near-linear patterns, as To make refraction multiple attenuation work properly, a series of pre-processing is required to meet the flat surface...

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

... a model of the subsurface speed of the earth obtained from the first break picking process and the Kirchhoff migration to move the reflector point to its...

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

... model. The researchers determined field parameters in each reflector on the model so that field parameters can represent the subsurface geological...