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Journal : Geological Engineering E-Journal

STUDI SIKUENSTRATIGRAFI BERDASARKAN HASIL ANALISIS DATA PALINOLOGI PADA SUMUR Y, CEKUNGAN SUMATERA SELATAN Ramadhan, Rizki; Nugroho, Hadi; Aribowo, Yoga; Panuju, Panuju
Geological Engineering E-Journal Vol 5, No 1 (2013): Volume 5, Nomor 1, Tahun 2013
Publisher : Geological Engineering E-Journal

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Abstract

Palynology is a study of biostratigraphy for determining relative age and depositional environment basedon the abundance of palynomorf. Palynology study develompent in Indonesia is still could be more increasedalong with more oil and gas exploration moved to transitional environtment.Study of palynology in stratigraphy is aiming to determine relative age and depositional environment.Besides, palynology could also determine sequence stratigraphy in a large scale of study based on palynomorfpercentage. The study of sequence stratigraphy based on palynomorf percentage has been done in Well-Y, SouthSumatra basin.The method of this research is descriptive method through the microscopic observation on sample 1 - 14from 1400 m depth Y-Well’s cutting and quantitative method calculation and analysis method from thisobservation and calcuation could determine the percentage of each palynomorf. This percentage lead to a trendthen interpretated into several sequencestratigraphy.From this observation, it can be determined characteristic zone of this well. The characteristic zone ofpalynology in this well is divided into 3 zones of palynology; Proxapertites operculatus Zone, Flocshuetziameridionalis Zone, and Stenoclaeniidites papuanus Zone. Each zone shows the characteristic of age fromEocene to Pliocene and also depositional environment from delta plain to pro delta. From palynomorfpercentage trend, we may also see the pattern of sequece stratigraphy works in this depth. The percentage trendshows the time whether sea level fall at the minimum percentage of palynomorf and sea level rise at themaximum percentage of palynomorf. The trend shows the sequence with sequence boundary lying in the startand the end of the sequence and also transgressive surface indicates the sea level start rise. Overall, this wellhas 5 sequences based on this trend; sequence a, sequence b, sequence c, sequence d, and sequence e and all thesequences are bordered by sequence boundary.
Co-Authors Abtahi, Muhammad Abthahi, Muhammad Ahyar, Rizki Aini, Helmida Alwi, Sandi Andrey Hasiholan Pulungan Apria, Iga Arfiani, Mutia Arif Rahman Asmak UI Hosnah Asning Tias, Silfia Aulia, Muhammad Faqih Auliana, Sigit Awlia, Avivatul Az Zikri Taufik, Wildan Baskoro, B. Harjo Basuki Rakhim Setya Permana Basysyar, Fadil M Binawati, Enita Bunari, Bunari Bunyamin Maftuh cahya, waskita Cut Yunina Eriva Dewi Maya Sari Dwi Iswati, Henny Dwi Ratnasari Emilda, Yufa Erwin Sutomo Fadhila, Nurma Fadilah, Lola Fahmi Fahmi Fikri, Asyrul Filda Angellia Firman Nugroho Fitriningrum, Andriati H, Ghanistantiono Dwi H, Hilmi Hadi Nugroho Hamdan Hamdan Handayani, Meutia Haris Dibdyaningsih Hariyansah, Ilham Hasibuan, Husni Malik Hermawan, Aris Hilmi Irfan Maulana, Irfan Kadriyani, Emilda Kundang Karsono Juman Melisa, Evri Meylani, Andry Miftakhul Janah Muhammad Fauzi Muhibuddin Muhibuddin, Muhibuddin Mukhamad Abduh Mulya Sari, Devi Musthafa Kamal, Musthafa Mutaqin, Fatih Naria, Naria Ngizzah, Nailul Nining Rahaningsih Nisa, Rauzhatul Nizirwan Anwar Novrianty, Rizky NUR CHAKIM Nurfaedah Nurfaedah, Nurfaedah Nurpratiwi, Ela Dwi Panuju Panuju Perani Rosyani Pertiwi, Asih Pravitri, Ivana Meilani Purnomo, Ryan R, Rismadi Rahmawan, Ghanal Arief Rismadi Rismadi, Rismadi Rita Sari, Dwi Mei Rosmiati Rosmiati Rudianto, Totok Rusny Istiqomah Sujono Salamah, Ummy Gusti Samsuar A. Rani Sarifah, Jufriah Shofi, Ahmad Thoyyib Siregar, Yuniar Dwi Ansari Siskarina, Melvy Dwi Siti Nur Azizah, Siti Nur Siti Nurjanah Sri Rani Fauziah, Sri Rani Sumarniningsih, Sumarniningsih Surya Kusuma, Noval Syaputra, Kamilia Talbani Farlian Tan Amelia Tarigan, Masmur Tirsardewi, Sartika Tri Septianto Untirtha Pratama, Gelard Yoga Aribowo Yudha Witama, Fiyado Zulkarnain Zulkarnain Zulkarnain Zulkarnain