PEMODELAN DAN KARAKTERISTIK RESERVOIR PADA ZONA LOW RESISTIVITY DENGAN PENDEKATAN SEKUEN STRATIGRAFI DAN SEISMIK INVERSI PADA LAPANGAN “RLA” CEKUNGAN SUMATERA SELATAN

ASIH, RINA LINTANG and Affandi, Azhar Kholiq and Sutopo, Sutopo (2020) PEMODELAN DAN KARAKTERISTIK RESERVOIR PADA ZONA LOW RESISTIVITY DENGAN PENDEKATAN SEKUEN STRATIGRAFI DAN SEISMIK INVERSI PADA LAPANGAN “RLA” CEKUNGAN SUMATERA SELATAN. Undergraduate thesis, Sriwijaya University.

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Abstract

Reservoar low resistivity disebabkan karena keberadaan mineral clay yang bersifat konduktif yaitu illite dan kaolit pada suatu formasi. Penelitian ini menggunakan data well dan data seismik untuk mengetahui karakteristik reservoar zona low resistivity melalui pembuatan structure maps, peta ketebalan lapisan dan peta sebaran impedansi akustik zona reservoar low resistivity serta metode sekuen stratigrafi untuk menentukan batas sekuen pengendapan yang terjadi pada zona reservoar low resistivity. Sehingga diperoleh zona reservoar low resistivity di kedalaman 2699– 2708 m berupa reservoar batubasir dengan resistivitas 3.17–20 Ohm-m, saturasi air 42.8%, porositas efektif 16% dan volume clay 0.28%. Zona reservoar low resistivity berada pada 2100–2110 ms atau 2700–2750 m dan mengalami penebalan lapisan 275 m hingga 295 m dari arah Barat Daya ke arah Timur Laut. Hasil inversi impedansi akustik zona reservoar low resistivity menunjukkan nilai impedansi akustik 8114-9210 (m/s)*(g/cc).

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: reservoar low resistivity, analisis petrofisika, analisis stratigrafi, seismik inversi, impedansi akustik, Cekungan Sumatera Selatan.
Subjects: Q Science > QC Physics > QC801-809 Geophysics. Cosmic physics
Divisions: 08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User: Users 8296 not found.
Date Deposited: 01 Oct 2020 03:25
Last Modified: 01 Oct 2020 03:26
URI: http://repository.unsri.ac.id/id/eprint/35917

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