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380900

IDENTIFICATION OF RESERVOIR CHARACTERISTICS USING VELOCITY – DEVIATION LOG AND VELOCITY RATIO

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Last updated: 21 Dec 2024

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Abstract

Two petrophysical models were utilized to detect the dynamic and physical properties of the Nubia Sandstone reservoir of East Zeit, Hilal and Shoab Ali oilfields, Southern Gulf of Suez, Egypt. These models are based on the velocity – deviation log and velocity ratio. The first model provides a good indication about permeability trends, pores type and post – depositional diagenesis. The second model determines the rock physical properties of the reservoir; such as lithology indication, degree of consolidation and prediction of velocity. Both models revealed that, the Nubia Sandstone could be classified into two rock types. One is along the central axis of the Gulf of Suez at East Zeit and Hilal oilfields and the other at the eastern side of the Gulf of Suez at Shoab Ali oilfield. The central basin sediments are characterized by low velocity ratio, low clay content, moderate porosity and low Poisson's ratio. The marginal basin sediments are characterized by relative high velocity ratio, porosity, clay content and Poisson ratio.

DOI

10.21608/jegs.2010.380900

Authors

First Name

M.S.

Last Name

El Sharawy

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Affiliation

Geophysical Sciences Dept., National Research Centre (NRC), Cairo, Egypt

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First Name

G.R.

Last Name

Gaafar

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Affiliation

Petronas Carigali, Kuala Lumpur, Malaysia.

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Volume

8

Article Issue

1

Related Issue

50448

Issue Date

2010-12-01

Receive Date

2024-09-21

Publish Date

2010-12-01

Page Start

25

Page End

32

Print ISSN

1687-2207

Link

https://jegs.journals.ekb.eg/article_380900.html

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https://jegs.journals.ekb.eg/service?article_code=380900

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380,900

Type

Original Article

Type Code

3,051

Publication Type

Journal

Publication Title

Journal of Egyptian Geophysical Society

Publication Link

https://jegs.journals.ekb.eg/

MainTitle

IDENTIFICATION OF RESERVOIR CHARACTERISTICS USING VELOCITY – DEVIATION LOG AND VELOCITY RATIO

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Article

Created At

21 Dec 2024