HERIPANUS, HERIPANUS (2012) ANALISA LITOLOGI DAN STRUKTUR SEDIMEN BERDASARKAN DATA WELL LOGGING DI DESA PONE, AMPAH, KABUPATEN BARITO TIMUR, KALIMANTAN TENGAH. Other thesis, UPN "Veteran" Yogyakarta.
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Abstract
ABSTRAK
Telah di lakukan penelitian berupa analisa litologi dan struktur sedimen
dengan menggunakan metode geofisika well logging. Penelitian dilakukan di Desa
Pone, Ampah, Kabupaten Barito Timur, Kalimantan Tengah selama dua bulan.
Secara astronomis lokasi penelitian terletak antara N 9799046-N 9804978 dan E
303815-E 307187. Daerah telitian adalah pada blok II konsesi PT. BBK yang
dieksplorasi oleh PT.KTC Coal Mining Energy dengan luas 160,9 Ha.
Penelitian ini menggunakan data well logging yaitu gamma ray dan density
log dari hasil pemboran sebanyak tiga titik bor, yaitu DHP-20, DHP-03 dan DHS-67.
Penelittian dilakukan dengan menganalisa defleksi kurva well logging serta
menghitung harga indeks gamma ray dan Volume Shale. Pada penelitian ini di
lakukan analisa tren nilai Vsh untuk analisa litologi serta mengidentifikasi struktur
sedimen dan proses pengendapannya.
Dari hasil penelitian, secara umum litologi yang di identifikasi adalah
batulumpur, batulanau, batupasir,batubara, batubara serpihan, dan karbonan.
Berdasarkan hasil analisa tren Vsh, di dapatkan 5 model struktur sedimen yaitu
struktur channel, struktur batulanau dengan sisipan batupasir, struktur batulumpur
dengan perselingan batulempung dan batupasir, struktur mengkasar ke atas, dan
struktur roof dan floor lapisan batubara. Berdasarkan analisa tren Vsh tersebut dapat
di ketahui proses pengendapan yang telah terjadi.
Kata kunci : Ampah, Well logging, gamma ray log, density log, tren log, analisa
litologi dan struktur sedimen
ABSTRACT
The research done by analyszes lithology and sediment structure using
geophysical well logging method. The study was conducted in the Pone village,
Ampah, East Barito District, Central Kalimantan for two months. By astronomical
research site is located between N 9799046-N 9804978 dan E 303815-E 307187. The
area of this research is on the block II concession of P.T BBK that explored by
PT.KTC Coal Mining Energy in 160.9 ha large.
This research uses well logging data, that is gamma ray and density log from
the three drill point, the DHP-20, DHP-03 and DHS-67. This research done by
analyzing the deflection curve of well logging and calculating the index value and
also the gamma ray Shale volume. In this research, trend of Vsh values analyzes for
lithology analysis and to identify structures and processes of sediment deposition.
From this research, identified the general lithology was mudstone, siltstone,
sandstone, coal, shally coal, and carbonaceous. Based on the analysis of trends Vsh,
found 5 models in sedimentary structures that is channel structures, siltstone with
insertion sandstone structures, mudstone with interbedded mudstone and sandstone
structure, coarsening upwards structure, and roof and floor structure of the coal
seam. Based on the analysis of Vsh trends deposition process that has occured can be
determined.
Keywords: Ampah, Well logging, gamma ray log, density log, analysis of lithology
and sedimentary structures
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | Q Science > QC Physics |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Physics |
| Depositing User: | Eko Suprapti |
| Date Deposited: | 08 Aug 2016 02:10 |
| Last Modified: | 08 Aug 2016 02:10 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/5011 |
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