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Journal : Journal of Applied Geology

Evaluation of Reservoir Characteristics of Wells X, Y, Z in the Pliocene Interval of the Tarakan Sub-Basin, Tarakan Basin, North Kalimantan Hendardi, Rizaldi Primanda; Hidajat, Wahju Krisna; Setyawan, Reddy; Kurniasih, Anis; Qadaryati, Nurakhmi; Khorniawan, Wahyu Budhi; Dalimunte, Hasnan Luthfi; Ringga, Anita Galih
Journal of Applied Geology Vol 9, No 2 (2024)
Publisher : Geological Engineering Department Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jag.86053

Abstract

The Tarakan Basin is one of the basins that has been producing hydrocarbons since 1901, with nine active oil fields to this day. The exploration of oil and gas in the Tarakan Basin has been ongoing for a considerable amount of time and can be considered as the oldest exploration in Indonesia that continues due to its estimated economically viable reserves based on its geological conditions. Research on the evaluation of reservoir characteristics in the Tarakan Sub-Basin with a Pliocene age interval aims to determine the subsurface lithology and fluid conditions qualitatively and the quantitative characteristics of the reservoir rocks. This study utilizes quantitative petrophysical analysis using a deterministic method with primary data consisting of wireline log data, as well as secondary data including core data, mud logs, biostratigraphy data, drill stem test data, and sidewall core data. Based on the analysis results, the petrophysical properties of the target reservoir in the study area include an average shale volume (VSH) of 16.65% - 29.31%, average effective porosity (PHIE) of 11.80% - 27.09%, which falls into the categories of fair to excellent quality, hydrocarbon saturation ranging from 7.68% - 43.03%, an average permeability value (PERM) of 10.03 mD - 613.29 mD, falling into the categories of good to very good, and a net pay thickness ranging from 4 feet to 16.7 feet, with a total thickness of 67.4 feet containing oil and gas fluids.
Co-Authors Anis Kurniasih Athik Dina Nashihah Buddin A Hakim Citra Ningtyas Citra Ningtyas Dalimunte, Hasnan Luthfi Dandung Marhento Dandung Marhento Dedi Setiono Dedi Setiono Dendi Tantra Praditya Devina Trisnawati Dhony Indrawan Dhony Indrawan Dwiyanto Joko Suprapto Dwiyanto Joko Suprapto Eko Yulianto F.X. Yudi Triyono F.X. Yudi Triyono Fachry Afif Fauzan Fachry Afif Fauzan Fadlillah Rumanda Fadlillah Rumanda Fahrudin Fahrudin Fahrudin Fahrudin Fakhlove Wardhani Fakhlove Wardhani Hadi Nugroho Hadi Nugroho Hadi Nugroho Hendardi, Rizaldi Primanda Henri Kusumayadi Henri Kusumayadi Herlina Rachman Herlina Rachman Indriyani Martiningtyas Irfandi Oky Permana Irfandi Oky Permana Izza H. Hanani Jenian Marin Joko Wahyudiono Joko Wahyudiono Khansa Mutia Yahya Kiflan Muzwar Kurniasih, Anis Maemonah, Maemonah Mega Sari Mega Sari Najib Najib Najib Najib Najib, Najib Narulita Santi Nurakhmi Qadaryati Oki Satriawan Oki Satriawan Prakosa Rachwibowo Prakosa Rachwibowo Prakosa Rachwibowo Prakosa Rachwibowo Pranata, Maulana Septian Dwi Pudjihardjo Henarno Purna Sulastya Putra Putri, Salsabila Prihandoko Qadaryati, Nurakhmi Reddy Setyawan Reza Permadi Reza Permadi Rinal Khaidar Ali Ringga, Anita Galih Rio Andryantoro Rio Andryantoro Rizky Septianingrum Rizky Septianingrum Sawung Kawedar Daya Kristy Sawung Kawedar Daya Kristy Septriono Hari Nugroho Setiono Setiono Setiono Setiono Setyawan, Reddy Suharyanto Suhesti Suhesti Sutrisno Anggoro Thomas Triadi Putranto, Thomas Triadi Tiara, Meidey Tri Winarno Wahyu Budhi Khorniawan Widiarso Dian Agus Yermia Heriadji Yermia Heriadji Yosep Purnama Yosep Purnama Zainun Zainun