NDLI: Integrated interpretation with Gassmann fluid substitution for optimum field development of Sanghar area, Pakistan: a case study

Content Provider	Springer Nature Link
Author	Akhter, Gulraiz Ahmed, Zulfiqar Ishaq, Adnan Ali, Aamir
Copyright Year	2014
Abstract	The optimum field development of area under exploration for hydrocarbons requires an integrated analysis of seismic and well log data. Fluid substitution is a process which provides a tool for fluid identification and quantification in a reservoir during the development phase. In the present study, an integrated approach of seismic, petrophysics, and Gassmann fluid substitution has been applied on Goru sands of Sanghar area, Pakistan, for optimum field development. The results of seismic indicate probable prospect zones of hydrocarbons in eastern and western part of the study area. These prospect zones have vertical closures of 20 to 50 ms and 20 to 30 ms at Goru sands and Chiltan levels, respectively. Four hydrocarbon-bearing zones (zones 1, 2, 3, and 4 with thicknesses of 28, 9, 24, and 8 m respectively) were identified on the basis of petrophysical interpretation of well log data at Goru sand level. Fluid substitution results at Goru sand level show maximum variation of P-wave velocity and density when hydrocarbon phase was substituted completely with water. This represents the maximum change in the acoustic impedance after complete extraction of hydrocarbon phase which can be modeled using synthetic seismograms.
Starting Page	7467
Ending Page	7479
Page Count	13
File Format	PDF
ISSN	18667511
Journal	Arabian Journal of Geosciences
Volume Number	8
Issue Number	9
e-ISSN	18667538
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-10-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gassmann fluid substitution Seismic interpretation Rock physics Petrophysics Water saturation Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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