Febriyani, Dilla Arta (2016) GEOLOGI, ANALISIS FASIES DAN PROSPEKSI HIDROKARBON PADA FORMASI NGRAYONG, LAPANGAN DAF, CEKUNGAN JAWA TIMUR UTARA. Other thesis, UPN "Veteran" Yogyakarta.
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Abstract
North East Java Basin is one of sedimentary basin that proven contain hydrocarbon and already production until now. The hydrocarbon prospection study aims to know potential hydrocarbon in Ngrayong Formation from facies and
sequence approach based on wireline log, mudlog, and biostratigraphy data of five wells. This study area is one of PT. Pertamina EP operational area and located in
north side of East and Central Java Province. Ngrayong Formation deposited in Early Miocene-Middle Miocene (N8-N12) with marine environment. This
formation divided into Ngrayong sandstone unit, Ngayong shale unit, and Ngrayong carbonate unit. These units consist of quartz sandstone, calcareous
sandstone, carbonaceous shale, calcareous shale, calcareous claystone, and siltstone. There are several facies that found in shallow marine such as middle
shoreface, lower shoreface, sandbar, offshore, carbonate shoal,tidal flat, and midouter
ramp.The presence of trace oil/ gas and crossover between neutron and density value in log data are several ways to know potential hidrocarbon. Several facies
that found have potential hydrocarbon are middle shoreface facies, carbonate shoal facies, mid-outer ramp facies, sandbar, and lower shoreface facies. While
sandbar facies, carbonate shoal, mid-outer ramp, and middle shoreface are proven contain hydrocarbon based on bed contain test. Most of them was deposited in
transgressive system track in third sequence and transgressive system track in fourth sequence. Based on biomarker analysis from oil sample in sandbar
sandstone, the oil maturity is mature and it comes from source rock that deposited in lagoon or estuarine facies.
Keyword : North East Java Basin, Ngrayong Formation.
| Item Type: | Thesis (Other) |
|---|---|
| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 10 May 2016 02:28 |
| Last Modified: | 07 Oct 2022 06:25 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/481 |
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