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Seismic Illumination Analysis in Poor Oil & Gas Field Data by Using Focal Beam Method

., Abdul Halim Abdul Latiff, Deva Prasad Ghosh, Zuhar Zahir Tuan Ha (2014) Seismic Illumination Analysis in Poor Oil & Gas Field Data by Using Focal Beam Method. Seismic Illumination Analysis in Poor Oil & Gas Field Data by Using Focal Beam Method .

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Official URL: http://iopscience.iop.org/article/10.1088/1755-131...

Abstract

he area underneath shallow gas cloud is an area where the image of subsurface data is generally poor. This distorted image underneath gas zones usually contains precious information of hydrocarbon accumulation. Previously, we analyse the factors contribute to poor subsurface seismic image underneath the gas cloud model and use focal beam technique to understand subsurface illumination information. Encourage by model-based success, we shift our focus to data-based application by applying the focal beam technique into a real field data. The results from this field were analyse in term of resolution function and amplitude versus ray parameter (AVP) imprint for different reflector depth, followed by acquisition analysis on the surface level. For this purpose, a velocity data of a field located in Malay Basin was built before applying the focal beam calculation. We will demonstrate that by using focal beam analysis for this field, we will able to obtain good imaging particularly for target reflector at 2000ms, 4000ms and 6000ms depth, provided the full 3D acquisition geometry was used during focal beam application.

Item Type:Article
Subjects:T Technology > T Technology (General)
Academic Subject One:Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Departments / MOR / COE:Departments > Geoscience & Petroleum Engineering
ID Code:12136
Deposited By: Ahmad Suhairi
Deposited On:06 Apr 2017 02:35
Last Modified:06 Apr 2017 02:35

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