ANALISIS MULTIATRIBUT PADA FREKUENSI RENDAH METODE PASIF SEISMIK UNTUK INDIKASI KEBERADAAN HIDROKARBON STUDI KASUS LAPANGAN “PS” DAERAH CEKUNGAN JAWA TIMUR UTARA

MUMININA, MI'RAJJUL and Affandi, Azhar Kholiq and Ariani, Menik (2019) ANALISIS MULTIATRIBUT PADA FREKUENSI RENDAH METODE PASIF SEISMIK UNTUK INDIKASI KEBERADAAN HIDROKARBON STUDI KASUS LAPANGAN “PS” DAERAH CEKUNGAN JAWA TIMUR UTARA. Undergraduate thesis, Sriwijaya University.

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Abstract

Microtremor data recorded at proven hydrocarbon reservoir fields shows a characteristic of spectral anomaly at low frequency between 1 – 6 Hz. This spectral anomaly is called hydrocarbon microtremor (HM) signal. Analysis of this spectral anomalies has been used as a technique to provide information about the presence of hydrocarbon reservoir or direct hydrocarbon indicator (DHI). In this paper, these methods were used in oil field in Northeast Java Basin. Vertical-to-Horizontal spectral ratio (V/H) and Power Spectral Density (PSD) analysis were studied in the mentioned area. There are 53 stations with one proven hydrocarbon production stations among them. And mapped each attribute value and interpreted the results based on power spectral density and ratio V/H attributes and also correlated to time structure data. For the results, Each stations combined to mapped attribute and made a spatial scoring map that provided the consistency level of each attribute for the DHI. This map gave a clearer look at the area of interest for further exploration, and it could be used for new optimized well placement during exploration. Keywords: Passive seismic, Low Frequency, Microtremor Hydrocarbon Signal, Power Spectral Density, V / H Ratio, Background Noise.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Passive seismic, microtremor, microseismik, hydrocarbon
Subjects:	Q Science > QC Physics > QC801-809 Geophysics. Cosmic physics
Divisions:	08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User:	Users 1646 not found.
Date Deposited:	05 Sep 2019 02:13
Last Modified:	05 Sep 2019 02:13
URI:	http://repository.unsri.ac.id/id/eprint/6179

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