HARNISIAH, YESICA (2024) ANALISIS FASIES DAN LINGKUNGAN PENGENDAPAN LAPANGAN” YH”, FORMASI BATURAJA DAN FORMASI CIBULAKAN ATAS, CEKUNGAN JAWA BARAT UTARA. Other thesis, UPN Veteran Yogyakarta.
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Abstract
v
ANALISIS FASIES DAN LINGKUNGAN
PENGENDAPAN FORMASI BATURAJA DAN FORMASI
CIBULAKAN ATAS, LAPANGAN” YH”, CEKUNGAN
JAWA BARAT UTARA
SARI
Disusun Oleh :
Yesica Harnisiah
111170004
Penelitian ini dilakukan pada lapangan ‘’YH’’pada dua formasi yaitu
Formasi Cibulakan Atas dan Formasi Baturaja, Cekungan Jawa Barat Utara
yang termasuk kedalam wilayah kerta PT.Pertamina Ep Region Jawa.
Metode yang dilakukan dalam penelitian fasies dan lingkungan
pengendapan ini adalah deskriptif analisis dengan mengintegrasikan data
sumur berupa data wireline log, cutting dan mudlog serta inti batuan (sumur
SK-1, SK-4 dan SK-10) yang meliputi interpretasi kualitatif.
Berdasarkan hasil analisis diketahui jika daerah penelitian tersusun
oleh Formasi Baturaja dan Formasi Cibulakan Atas. Formasi Baturaja
daerah penelitian berumur Miosen Awal dan tersusun oleh satuan mudstone-
wakstone, satuan wakstone-packstone dan satuan packstone- grainstone
dengan asosiasi fasies termasuk kedalam mid ramp. Sedangkan Formasi
Cibulakan Atas berumur Miosen Tengah dan tersusun oleh satuan
sandstone, siltstone dan shale dengan asosiasi fasies termasuk kedalam
offshore zone.
Secara umum sedimentasi cekungan relatif berarah utara – selatan
sedangkan pada daerah penelitian setelah dilakukan analisa cenderung barat
laut – tenggara disukung dengan hasil interpretasi struktur adanya lipatan.
Lingkungan pengendapan pada daerah penelitian terdapat dua lingkungan
pengendapan yaitu platform carbonate ramp yang termasuk kedalam
Formasi Baturaja sedangkan lingkungan pengendapan shallow sandy seas
termasuk kedalam Formasi Cibulakan Atas.
Kata Kunci : Formasi Baturaja, Formasi Cibulakan Atas , Asosiasi Fasies,
lingkungan Pengendapan
vi
FACIES ANALYSIS AND DEPOSITIONAL ENVIRONMENT OF
BATURAJA FORMATION AND UPPER CIBULAKAN
FORMATION, "YH" FIELD, NORTH WEST JAVA BASIN
ABSTRACT
Authorized by :
Yesica Harnisiah
111170004
This research was conducted in the ''YH'' field in two formations,
namely the Upper Cibulakan Formation and the Baturaja Formation,
North West Java Basin which is included in the PT Pertamina Ep Region
Java area. The method used in this study of facies and depositional
environment is descriptive analysis by integrating well data in the form of
wireline log, cutting and mudlog data and rock core (wells SK-1, SK-4
and SK-10) which includes qualitative interpretation.
Based on the analysis, it is known that the research area is composed of
the Baturaja Formation and the Upper Cibulakan Formation. The
Baturaja Formation of the research area is Early Miocene in age and is
composed of mudstone-wakstone units, wakstone-packstone units and
packstone-grainstone units with facies associations included in the mid
ramp. While the Upper Cibulakan Formation is Middle Miocene in age
and is composed of sandstone, siltstone and shale units with facies
associations including the offshore zone.
In general, the sedimentation basin is relatively north-south
oriented, while the research area after analysis tends to be northwest-
southeast, supported by the results of structural interpretation of folds.
There are two depositional environments in the study area, namely the
carbonate ramp platform which is included in the Baturaja Formation
while the shallow sandy seas depositional environment is included in the
Upper Cibulakan Formation.
Keywords: Baturaja Formation, Upper Cibulakan Formation, Facies
Association, Depositional environmen
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Baturaja Formation, Upper Cibulakan Formation, Facies Association, Depositional environmen |
| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 01 Jul 2024 01:49 |
| Last Modified: | 01 Jul 2024 01:49 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/40011 |
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