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Comparative Study ofthe Selected Basement Discoveries around the World with Special Emphasis to Anding Utara of Peninsular Malay Basin

Ismail, Noor Ilyana (2011) Comparative Study ofthe Selected Basement Discoveries around the World with Special Emphasis to Anding Utara of Peninsular Malay Basin. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

A technical comparison of the selected basements discoveries have been made based on geology, geochemistry, reservoir characteristics and production behavior of selected basement reservoirs to find an analog to Anding Utara Field. Anding Utara, a fractured basement discovery in the Peninsular Malay Basin could not be developed yet due to inconsistent production testing results. Thus, Anding Utara has become an engineering challenge to put it on production. Four basements discoveries, White Tiger field of Vietnam, Zeit Bay field of Egypt, Jatibarang field of Indonesia and Y aerxia field of China, have been compared of which the Yaerxia field is seen as similar behavior with Anding Utara field. These two fields have same lithology (phyllite), nearly equal reservoir pressure and also both have high wax content (exact value of Anding Utara is not known). However, Anding Utara field has higher reservoir temperature (270 °F) and higher GOR ( 4210 scf/stb) compared to the Y aerxia field but, the fracture density is comparatively low. The Yaerxia field, with lower temperature (187 °F) and lower GOR (350-584 scf/stb ), shows stable production for almost nine years because of its high fracture density (39 counts/m). The Anding Utara on the contrary shows inconsistent production even with high temperature and high GOR only because of low fracture density (0.1-1 fractures/m). From the study, it confirms that the fracture distribution and connectivity plays an important role in hydrocarbon production from the basement reservoirs. Artificial fracturing by hydraulic fracturing and matrix acidizing to increase the permeability, and horizontal wells to connect extensive vertical fractures are suggested here as a possible engineering solutions for the Anding Utara to put it back on production.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petrophysics - Data integration and field studies
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 06 Nov 2013 12:09
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10198

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