ANALISIS PERBANDINGAN METODE COMMON MID POINT (CMP STACK) DENGAN COMMON REFLECTION SURFACE (CRS STACK) DALAM MEMETAKAN STRUKTUR BAWAH PERMUKAAN PADA DAERAH ARAFURA

PRANATA, JEPRI and Erni, Erni and Poerwono, Pradanto (2022) ANALISIS PERBANDINGAN METODE COMMON MID POINT (CMP STACK) DENGAN COMMON REFLECTION SURFACE (CRS STACK) DALAM MEMETAKAN STRUKTUR BAWAH PERMUKAAN PADA DAERAH ARAFURA. Undergraduate thesis, Sriwijaya University.

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Abstract

ABSTRACK Stacking merupakan salah satu tahapan dalam pemrosesan data seismik yang berperan penting untuk menghasilkan gambaran awal dari penampang bawah permukaan bumi sebelum dilakukan tahapan interpretasi. Dalam penelitian ini menggunakan dua tahapan stacking, yakni Common Mid Point (CMP Stack) dan Common Reflection Surface (CRS Stack). Tujuan dari penelitian ini untuk melakukan perbandingan untuk mendapatkan penampang seismik yang relatif lebih baik. Penelitian ini menggunakan data hasil akuisisi Pusat Penelitian Dan Pengembangan Geologi Kelautan yang dilakukan di perairan Arafura, yang memiliki jumlah fold coverage relatif rendah sekitar 12. Berdasarkan hasil penelitian yang telah dilakukan didapat bahwa hasil stack menggunakan CRS memberikan hasil penampang seismik yang relatif lebih baik, dibandingkan CMP stack. Baik pada peningkatan signal to noisse ratio maupun reflektor dan kontinuitas reflektor yang lebih jelas secara kualitatif. Kata kunci: CMP Stack, CRS Stack, Signal to Noise Ratio, Reflektor. ABSTRACK Stacking is one of the stages in seismic data processing which plays an important role in producing an initial picture of the subsurface section of the earth before the interpretation stage is carried out. In this study, two stages of stacking were used, namely conventional stacking (CMP Stack) and Common Reflection Surface (CRS Stack). The purpose of this study is to make a comparisons to get a relatively better seismic cross-section. This study uses data from the acquisition of the Center for Research and Development of Marine Geology conducted in Arafura waters, which has a relatively low number of fold coverage of around 12. Based on the results of the research that has been carried out, it is found that the results of the stack using CRS provide relatively better seismic cross-section results, compared to the CMP stack. Both the increase in signal to noise ratio and reflector continuity and reflector which is more qualitatively clear. Keywords: CMP Stack, CRS Stack, Signal to Noise Ratio, Reflector.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	CMP Stack, CRS Stack, Signal to Noise Ratio, Reflektor.
Subjects:	Q Science > QC Physics > QC801-809 Geophysics. Cosmic physics
Divisions:	08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User:	Jepri Pranata
Date Deposited:	14 Sep 2022 03:32
Last Modified:	14 Sep 2022 03:32
URI:	http://repository.unsri.ac.id/id/eprint/78738

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