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The AAPG/Datapages Combined Publications Database

Showing 32,036 Results. Searched 191,826 documents.

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

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... is frequent and the common midpoint assumption breaks down. Lastly, the field records are usually characterised by a low signal-to-noise ratio, the noise...

2000

ABSTRACT: Investigation of the Behavior of Surface Noise within Seismic Arrays of Variable Geophone Density; #90051 (2006)

Ibrahim A. Al-Hokail

Search and Discovery.com

... useful geophone density of seismic arrays. Using these relationships may yield a better signal -to-noise ratio and a more efficient use of the field...

Unknown

Abstract: Seismic acquisition challenges in Boujdour coastal basin, Morocco; #90137 (2011)

Nawal Essalloumi, Hakima Jemjami, and Mohamed Dakki

Search and Discovery.com

...-surface and the quality of the Signal-noise ratio. It should be noted that 80 up-holes were carried out for static calculations and corrections...

2011

Using Fracture Stress Shadows to Drive Stage Spacing

Jonathan P. McKenna, Michael S. Blaz, Michael H. Grealy, Orlando J. Teran

Unconventional Resources Technology Conference (URTEC)

... and microseismicity occurred. Events colored by classification using a method by McKenna, 2016 and sized by signal to noise ratio. Focal mechanism strike plotted...

2017

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... was repeatedly activated to allow stacking of recordings for improving signal to noise ratio at far offset propagation. The generated wave field...

2013

Multicomponent OBC (4C) Seismic Data Acquisition Challenges and Solution - Design, Operation, and Field Quality Control; Case Study OBC Bekapai

Aa Pian Nopiana, Remi Dartigalongue, Michel Erbetta, Gilles Vallon, Daniel Vaxelaire, Philippe Faure, Jean-Marc Mougenot

Indonesian Petroleum Association

..., the BEKAPAI field remains with some G&G knowledge uncertainties mainly due to :  poor signal to noise ratio due to the seismic quality and fold...

2013

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... with the energy loss of a reflection reduce the signal-to-noise ratio. The noisy oil field environment is also a limiting factor for surface seismology...

1988

Construction and Analysis of Three-Dimensional Seismic Porosity Inversion Models

Hongliu Zeng

AAPG Special Volumes

... significantly deteriorating signal-to-noise ratio. More accurate and finer scale seismic mapping of reservoir parameters is achieved from model-based...

2012

Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs

Search and Discovery.com

... be especially important. Zhang (2007) demonstrated that the cold production of foamy oil will decrease the VP/VS ratio. These two studies suggest that we...

2013

Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)

Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen

Search and Discovery.com

... as fewer streamers are required. The data are combined in processing, optimizing the signal-to-noise ratio over the entire bandwidth. The resulting data...

2014

Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh

Nurfiana Rachmawati

Indonesian Petroleum Association

..., signal to noise ratio and the reflector continuity (Figure 1). Despite those improvements, the CBM data still could not distinguish the Jurassic Top...

2017

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... that is selected from within the shot gather based on high signal to noise ratio. This step removes the source effect, and converts traces to zerophase. New...

2014

Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations

James Rutledge, Nobukazu Soma

Unconventional Resources Technology Conference (URTEC)

... is implemented in a relative mapping technique where a subset of high signal-to-noise ratio (SNR) events are more accurately mapped by including...

2013

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

David W. Bell

AAPG Special Volumes

... picks deep in the section, particularly if the signal-to-noise ratio is poor. Such picks will adversely effect the analysis if they are used...

2001

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... at the carbonate and salt interfaces and can contribute significantly to a low signal-to-noise ratio in the seismic image. Another type of unwanted reflection...

2011

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... and boundary between reflector. BASIC THEORY Seismic Data and Processing The main goals of seismic data processing is to enhance the signal to noise ratio...

2017

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

...-ghosted seismic data exhibit a greater frequency bandwidth and a greater signal-to-noise ratio than can be obtained using conventional streamers. The new...

2008

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... signal-to-noise ratio in data at higher frequencies. In this study two different methods, spectral ratio (SR) and centroid frequency down shift (CFD...

2014

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... a noticeable improvement in frequency bandwidth and signal to noise ratio over previous data. At reservoir level, the improved resolution allows more...

2011

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... challenges in surface monitoring are: 1) increased distance between event hypocenter and receiver reduces signal size, 2) increased noise levels...

2014

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

..., and lower significantly the signal to noise ratio. In addition, the Bekapai seismic image suffers from strong push down caused by the combined effect...

2015

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