ANALISIS PETROFISIKA DAN INVERSI MODEL BASED SEBAGAI KARAKTERISASI RESERVOIR DALAM STUDI KASUS LAPANGAN “BR” CEKUNGAN KUTAI, KALIMANTAN TIMUR

PRAYOGA, BIMA AMARTA and Affandi, Azhar Kholiq and Erni, Erni (2018) ANALISIS PETROFISIKA DAN INVERSI MODEL BASED SEBAGAI KARAKTERISASI RESERVOIR DALAM STUDI KASUS LAPANGAN “BR” CEKUNGAN KUTAI, KALIMANTAN TIMUR. Undergraduate thesis, Sriwijaya University.

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Abstract

Petrophysical and model-based inversion analyzes have been applied to obtain reservoir characterization results to determine the quality of the "BR" well-target field reservoir, Kutai Basin of East Kalimantan. In this research, reservoir characterization was performed on three wells namely BR-01, BR-02, and BR-03 located in Balang Island Formation and Balikpapan Formation layer of sandstone lithology with limestone inserts and clay rocks. The purpose of reservoir characterization is to obtain information and identification of reservoir quality from evaluation of target formation at three well points and the most productive well point will be used for reservoir character analysis laterally using model based inversion. Model-based inversions result in a cross-section of the acoustic impedance model and then the acoustic impedance cross-sectional section provides a map of the acoustic impedance distribution that will provide the acoustic impedance distribution around the target point. The result of reservoir characterization shows the quality of reservoir both around BR-03 well point with average clay volume value 47%, average water saturation 50.7%, and average porosity 27%, net-pay thickness 60.9 m, impedance value acoustic acoustics range from 7000-9000 (m/s).(g/cc) spread evenly around BR-03 well point in the target reservoir layer between Top_MF6 to Top_MF8 depth 2200-2650 m.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: petrophysical analysis, inversion, acoustic impedance, model based, reservoir characterization, Balang Island Formation and Balikpapan
Subjects: G Geography. Anthropology. Recreation > GB Physical geography > GB3-5030 Physical geography
G Geography. Anthropology. Recreation > GB Physical geography > GB980-2998 Ground and surface waters
Q Science > QC Physics > QC801-809 Geophysics. Cosmic physics
Divisions: 08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User: Mrs Dies Meirita Sari
Date Deposited: 20 Aug 2019 04:59
Last Modified: 20 Aug 2019 04:59
URI: http://repository.unsri.ac.id/id/eprint/4627

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