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Muh Sarkowi
Program Studi Teknik Geofisika, Fakultas Teknik Universitas Lampung, , Jl. Prof. Soemantri Brodjonegoro No. 1, Bandar Lampung, Telp. (0721)703475-708.
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Journal : Journal of Geoscience, Engineering, Environment, and Technology

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Multiple Linear Regression Method for Thermal Maturity Prediction Based On Well Logs Wibowo, Rahmat Catur; Sarkowi, Muh; Dewanto, Ordas; Mulyatno, Bagus S; Dani, Ilham
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 2 (2024): JGEET Vol 09 No 02 : June (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.2.10270

Abstract

Accurate estimation of thermal maturity is essential in characterizing a source rock, especially using vitrinite reflectance (Ro). The limitations of laboratory data related to the high cost of analysis require a special reliable method to measure the Ro value indirectly in the source rock layer. The proposed method is a continuous prediction of the value of Ro from well logs data using the Multiple Linear Regression (MLR) technique in the Palembang Sub-Basin, South Sumatra Basin. A total of 25 Ro data from 2 wells (RCW-01 and RCW-02) are available from the laboratory's core data analysis results. The Ro data varies from 0.39% to 0.76%, with an average of 0.54%. Prediction of the value of Ro is carried out using the MLR method, which is then carried out training and validation for continuous Ro. The training was carried out using one well (RCW-01) at 2287-3027 m and testing at other intervals (1848-2286 m). The results of the training show an estimation accuracy of R2 0.99, while the test results produce R2 0.81. The MLR formula in the RCW-01 well was then applied to the RCW-02 well for the validation test phase. The well RCW-02 produces a good correlation estimate equal to R2 0.85. Prediction of the value of Ro using the MLR method can be used to evaluate the source rock layer of a sedimentary basin in the form of a continuous interval.
Co-Authors Abdul Latief Gunawan Adi Susilo agung setiawan Agus Kuswanto AGUS SETIAWAN Agustin, Erisa Ahmad Zaenudin Ahmad Zaenudin Akroma Hidayatika Aldika Rizkiano Aldika Rizkiano Aleksander Purba Ari Setiawan Aryono Adhi, Aryono Azrin Merdi Isman Bagus Sapto Mulyanto Bagus Sapto Mulyanto Bagus Sapto Mulyatno Basuki, Kelik Hendro Budiman Budiman Dani, Ilham Darmawan, I Gede Boy Daru Adi Dewi, Soraya Tiana Dikpride Despa Dikpride Despa Dikpride Despa Ecca Urbita Kanedi Saihu Egi Ramdhani Fandra, Bobby Firmando Huda Utama Halim, Muhammad Rizqi Hariani, Pepi Herri Wardono Herry Wardono Hidayatika, Akroma I Gede Boy Darmawan Ika Kustiana Ika Kustiani IMAM SANTIKO RAHARJO Imam Setiadi Indra Arifianto Indragiri, N Muhammad Irza Sukmana Ismail Istifani Ferucha Jarot Setyowiyoto Juandi Juandi Karyanto, Karyanto Karyanto, Karyanto Kumalasari, Isti Nur Kuncoro, Kirana Helga Aimee Kurnia, Yoga Lukman, Ernis Mahmud Yusuf MARDIANA Mardiana Mardiana Maulia, Ikram Mohd Harizalsyah Muhammad Eddy Darmansyah Muhammad Zuhdi Mulyasari, Rahmi Mulyatno, Bagus S Murti , Antonius Hary Nandi Haerudin NICO ARDIATMA OKTAVIO OctariaSurajaya, Tiara Ordas Dewanto Otten Rinaldi Putera, Adimas Bayu Ardian Rafi Rilo Pambudi Rahmi Mulyasari Ratna Widiyawati Ratna Widyawati Regina Febryzha Sawitri Restu Ningsih Ria Oktaviani Sinia Riri Arinda Adama Risgiyanto Risgiyanto Roy Irawan Saihu, Ecca Urbita Kanedi Salamah, Ummi Sari Utama Dewi Sawitri, Regina Febryzha Sismanto Sismanto Sopan, Langnanda Ekakurnia Putri Srianti, Ririn Suharno Suharno Suharno Suharno Suharno Suhartomo, Hery Suhayat Minardi Suhayat Minardi Suryanto, Wiwit Tommy Kharizma Husein Tri Budi Setiawan Trisya Septiana Upik, Upik Wahyudi Wahyudi Wibowo, Rahmat Catur Widiatmoko, Donny Yesi Yandriani Yogi, Ida Bagus Suananda