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Agustina Prihantini
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Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science

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Analisis Petroleum System dan Risiko Geologi Di Lapisan TAF 3.2 Lapangan AP Kompleks Formasi Cibulakan Bawah Sub Cekungan Jatibarang Pada Dalaman Cipunegara Agustina Prihantini
Jurnal Migasian Vol 4 No 2 (2020): Jurnal Migasian
Publisher : LPPM Institut Teknologi Petroleum Balongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36601/jurnal-migasian.v4i2.139

Abstract

Jawa Barat Utara merupakan salah satu daerah perminyakan utama di Indonesia. Secara geologis, wilayah Jawa Barat terletak di bagian darat dari cekungan Jawa Barat Utara yang merupakan salah satu dari serangkaian cekungan busur belakang di Indonesia Barat. Cekungan Jawa Barat Utara, dimana dibagi menjadi tiga sub cekungan yaitu Sub Cekungan Ciputat, Sub Cekungan Pasir Putih dan Sub Cekungan Jatibarang. Petroleum system di Jawa Barat Utara berkembang dari Oligosen Awal hingga Plio-pleistosen. Formasi Cibulakan Bawah Sub Cekungan Jatibarang memiliki potensi yang baik sebagai batuan induk dikarenakan area batuan induk ideal untuk memasok hidrokarbon ke perangkap struktur yang ditemukan di area yang lebih tinggi di sekitar sub cekungan. Penilaian risiko dalam eksplorasi minyak bumi dilakukan untuk memperkirakan probabilitas penemuan yang mana penilaian risiko memerankan peran penting dalam eksplorasi minyak bumi, tidak hanya ditingkat prospek tetapi juga ditingkat play. Metode penilaian risiko geologi Otis dan Schneidermann merupakan metode yang paling sederhana yang digunakan untuk menentukan probabilitas risiko geologi.
Estimasi Estimasi Cadangan Hidrokarbon dengan Menggunakan Metode Monte Carlo dan Volumetrik pada Lapisan LCB 3.2 Di Lapangan JH Kompleks: Di Lapangan AP Kompleks, Formasi Cibulakan Bawah, Sub-Cekungan Jatibarang Pada Dalaman Cipunegara Agustina Prihantini
Jurnal Migasian Vol 6 No 1 (2022): Jurnal Migasian
Publisher : LPPM Institut Teknologi Petroleum Balongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36601/jurnal-migasian.v6i1.194

Abstract

North West Java is one of the main oil areas in Indonesia. Geologically, the West Java region is located in the land part of the North West Java basin which is one of the back arc basins in western Indonesia. The Lower Cibulakan Formation of the Jatibarang Sub Basin has good potential as a reservoir rock because the source rock area is aware of the presence of structural traps found in higher areas around the sub basin. Estimation as an important thing that needs to be done in the prospect and planning of field development. The well is a study of exploitation wells with limited data available. Reserve estimates use the Monte Carlo and volumetric methods. The Monte Carlo method is a probabilistic approach that can reduce the uncertainty factor, while the calculation is repeated using the 1000 distribution. Volumetric method is used to compare the results of the estimates using the Monte Carlo method. The result of the estimation of both methods is that the reserve value with Monte Carlo is 198,385 BCF, while the reserve value for volumetric reserves is 197,25 BCF. Based on the estimation results using the Monte Carlo and volumetric methods, the LCB 3.2 layer in the Lower Cibulakan Formation is a prospect zone for exploitation drilling and the prospect to be developed into a productive field and feasible for further development.
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