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All Journal IJOG : Indonesian Journal on Geoscience Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Buletin Sumber Daya Geologi Lembaran Publikasi Minyak dan Gas Bumi
Praptisih Praptisih
Pusat Penelitian Geoteknologi LIPI
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Education Energy Engineering Environmental Science

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Journal : Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)

 1 
Potensi Batuan Induk Hidrokarbon pada Formasi Cinambo di Daerah Majalengka, Jawa Barat Praptisih, Praptisih; Kamtono, Kamtono
Jurnal Geologi dan Sumberdaya Mineral Vol 17, No 1 (2016): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

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Abstract

 Penelitan  endapan klastik berbutir halus dan karakteristik litofasies batuan Formasi Cinambo bertujuan untuk memperkirakan potensi batuan induk dalam menghasilkan minyak dan gas di daerah Majalengka.  Pengambilan 14 contoh  batuan dilakukan untuk analisa geokimia di laboratorium yaitu  analisa kandungan TOC , analisa Pirolisis Rock-Eval dan GC-MS. Hasilnya menunjukkan nilai TOC sebesar 0,42 – 1,90 %,  potensi rendah hingga baik  untuk membentuk hidrokarbon. Hasil analisis pyrolisis rock Eval memperlihatkan T max sebesar 359  - 475 oC termasuk kategori belum matang hingga paska matang. Berdasarkan nilai HI sebesar 12 – 114 mg HC/g TOC, fasies organic di daerah penelitian dapat dibagi menjadi 2 fasies yaitu fasies CD dan D,   dapat menghasilkan minyak dalam kuantitas sedang dan gas dalam kuantitas relatif kecil. Type kerogen Formasi Cinambo di daerah penelitian berdasarkan diagram TOC versus PY menunjukkan tipe kerogen III, termasuk oil prone dan gas prone. Hasi analisis GCMS menunjukkan bahwa batuan induk di daerah penelitian mempunyai kondisi lingkungan pengendapan yang material organiknya berasal dari tanaman darat. Kata Kunci : batulempung, batuan induk, hidrokarbon, Formasi Cinambo, TOC. 
FASIES KARBONAT FORMASI CAMPURDARAT DI DAERAH TULUNGAGUNG, JAWA TIMUR Praptisih, Praptisih; Siregar, M. Safei
Jurnal Geologi dan Sumberdaya Mineral Vol 22, No 2 (2012): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

The Campurdarat Formation is one of the carbonate rocks exposed in the Tulungagung areas and its surrounding, East Java. Detail investigation for studying facies and sedimentation of this limestone has been conducted. The investigation include field investigation and laboratory method, consisting of petrography and micropaleontology. The result of petrographic analysis showed that the carbonate rocks in the area investigation can be divided into four types of facies such as packstone, floatstone, rudstone and boundstone. Packstone facies was deposited from the backreef – lagoon environment, floatstone facies in backreef and coral zones environments, rudstone facies in the reef zone environment and boundstone facies formed starting from the reef front - reef crest. The Campurdarat carbonate rocks are interpreted to represent a barrier – reef of Early Miocene age.Key words : Campurdarat Formation , facies, carbonate, environment, sedimentation, reef, Tulungagung
Fasies, lingkungan pengendapan dan sifat fisik (kesarangan dan kelulusan) batuan karbonat Formasi Parigi di daerah Pangkalan Karawang, Jawa Barat Praptisih, Praptisih
Jurnal Geologi dan Sumberdaya Mineral Vol 17, No 4 (2016): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

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Abstract

Parigi Formation carbonate rocks well croped out in the Pangkalan area, Karawang. Research methods include both of field research of detailed observations of Parigi Formation carbonate rocks and laboratory analysis consisting of petrography and paleontology. The results showed that the carbonate rock of the Parigi formation can be identified into seven facies carbonate namely (1) plangtonic packstone facies, (2) foraminiferal packstone facies, (3) packstone facies, (4) bindstone facies, (5) rudstone facies, (6) Framstone facies, and (7) algal-forams packstone facies. The Parigi Formation estimated deposited on the environments lower reef slope, reef front, reef crest and backreef. The results of the analysis of large foraminifera fossils show the age Parigi Formation is Early Miocene. The physical analysis showed that porosity and permeability founded in framestone facies, up to 25.84% and 21.13 mD permeability. From the pattern of depositional environment The Parigi Formation in the central basin that is probably is in the west-southwest area. Keywords: carbonate rocks, Parigi Formation, facies, depositional environments, reefs
Re-Interpretasi Formasi Kerek Di Daerah Klantung, Kendal, Berdasarkan Data Stratigrafi dan Foraminifera Putra, Purna Sulastya; Praptisih, Praptisih
Jurnal Geologi dan Sumberdaya Mineral Vol 18, No 2 (2017): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

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Abstract

Rock unit crops out surrounding the Cipluk oil field is part of the Kerek Formation according to the regional geological map, however, the stratigraphy, depositional environment and relative age of the rock unit is not clearly recognised. Detailed stratigraphic and micropaleontological studies have been done in the rock unit surrounding the Cipluk of  oil field. The results show that the rock outcrops in the study area are composed by a repetition of marl intercalated by sandstones,identified as turbiditic facies part of a channel portion of supra fan lobe to outer fan that deposited in an upper bathyal. Based on planktonic foraminifera content, the relative age of rockunit is Pliocene to Late Pleistocene. According to the litological characteristics and relative age data, the rock unit in studied area seems to be not part of the Kerek Formation, but it belongs to part of the Kalibeng Formation. The result of this study is very important for updating the surface geological data in which will be very useful to understand the new petroleum system in this area. Keywords: Kerek Formation, Cipluk oil field, turbidite, Kalibeng Formation
Co-Authors Anggoro Tri Mursito Isnaniawardani, Vijaya Kamtono Kamtono M. Hendrizan M. Safei Siregar P. S. Putra Purna S. Putra Purna Sulastya Putra, Purna Sulastya Yoga Andriana Sendjaja, Yoga Andriana