Analisa Potensi Shallow Hydrocarbon pada Formasi Wonocolo Berdasarkan Pendekatan Anisotropi Resistivitas dan Parameter Dar Zarrouk
DOI:
https://doi.org/10.30588/jo.v3i2.616Abstract
Daerah Dangdangilo berada pada sekitar area lapangan minyak Kawengan, Kabupaten Bojonegoro, Jawa Timur dengan banyak patahan dan antiklin yang memanjang dan asimetris terbentang dari arah Barat – Laut menuju Timur Tenggara. Tinjaun geologi menggambarkan terdapat potensi minyak dangkal (shallow hydrocarbon) pada Formasi Wonocolo dengan kedalaman sekitar 200 – 300 mdpl serta didukung dengan banyaknya sumur tradisional yang memproduksikan minyak pada kedalaman tersebut. Namun distribusi secara lateral potensi minyak perlu diperkirakan salah satunya dengan metode geolistrik dengan memanfaatkan anisotropi resistivitas dan parameter Dar Zarrouk. Indikasi keberadaan fluida hidrokarbon pada ini berada pada kedalaman 170 – 180 meter, 360 – 365 meter dan kedalaman 375 – 380 meter. Indikasi keberadaan hidrokarbon ini termati dengan gejala perubahan nilai resitivitas
Katakunci : Shallow hydrocarbon, anisotropi resisitivitas, Dar Zarrouk, Formai Wonocolo
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