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All Journal JOURNAL OF EARTH ENERGY ENGINEERING Petro : Jurnal Ilmiah Teknik Perminyakan Scientific Contributions Oil and Gas
Jumiati, Wiwiek
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Materials Science & Nanotechnology

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The Development of Non-Conventional Oil and Gas in Indonesia: Case Study on Hydrocarbon Shale Wiwiek Jumiati; David Maurich; Andi Wibowo; Indra Nurdiana
Journal of Earth Energy Engineering Vol. 9 No. 1 (2020): APRIL
Publisher : Universitas Islam Riau (UIR) Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (494.399 KB) | DOI: 10.25299/jeee.2020.4074

Abstract

Oil and gas fuel from unconventional types of reservoirs was the development of alternative sources in addition to oil and gas fuels from conventional type reservoirs that can be obtained to meet domestic needs. The development of unconventional oil and gas reservoirs has developed rapidly outside Indonesia, such as in North America and Canada. One type of unconventional oil and gas reservoir was obtained from shale rock reservoirs. Hydrocarbon shale produced from shale formations, both source from rock and reservoir. This unconventional hydrocarbon has a big potential to be utilized. In this study, an analysis of the development of unconventional oil and gas from Shale Hydrocarbons carried out in Indonesia. This research included the distribution of shale reservoir basins, the number of unconventional shale reservoir resources, factors affecting the development of unconventional oil and gas in shale reservoirs in Indonesia, efforts made by the government to promote exploration activities, exploitation of shale reservoirs in Indonesia, and existing regulations for non-conventional oil and gas. The development of unconventional oil and gas reservoir shale needed to be developed immediately and will attract investors to meet domestic needs for renewable energy needs. From the geological data obtained, there were 6 basins and 11 formations that analyzed for commercialization. Tanjung and Batu Kelau Formation was a prospect formation from 4 desired data categories. In terms of regulation, it still needed improvement to increase the interest of upstream oil and gas entrepreneurs in the unconventional oil and gas shale reservoir. Research in the field of unconventional oil and gas exploitation technology for hydrocarbon shale needed to be improved.
Uji Sensitivitas dan Solusi Analitik Type curves jenis Reservoir Komposit Infinite acting Reservoir pada Laju Alir Produksi Sumur Konstan Wiwiek Jumiati
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 6 No. 1 (2017): April
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1948.334 KB) | DOI: 10.25105/petro.v6i1.2501

Abstract

Metode analisis yang digunakan untuk mengevaluasi kinerja sumur minyak dengan tujuan melakukan analisis dan evaluasi kinerja pada sumur minyak meliputi antara lain metoda empirik, metoda analitik dan metoda numerik atau kombinasi ketiga metoda tersebut yang dapat menghasilkan type curves. Penelitian ini mengangkat permasalahan kondisi reservoir komposit dengan batas sumur yaitu laju alir produksi konstan dan batas luar adalah infinite acting dimana type curves yang terbentuk dihasilkan dari penurunan analitis yang dihasilkan dari persamaan difusivitas. Uji sensivitas dilakukan dengan merubah parameter jari-jari discontinuity, rasio mobility, storativity dan skin pada lubang sumur. Type curves yang dihasilkan dapat digunakan untuk menginterpretasikan log-log type curve matching dari reservoir komposit.
Effect of LHP Nanosilica on Sandstone Wettability and Oil Recovery by Imbibition in Crude Oils with Different API Jumiati, Wiwiek; Hani, Berkah; Yanti, Widia; Sutresno, Wahyu; Wihdany, Falza Izza; Ghaziyah, Hawa Syuraih; Herlambang, Karyanto; Celli, Agli Tori; Wibowo, Gilang Saputra
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.2053

Abstract

This study investigates the influence of lipophobic–hydrophilic polysilicon (LHP) nanosilica on wettability alteration and oil recovery performance through spontaneous imbibition in initially neutral-wet sandstone. The novelty of this study lies in its systematic comparative framework using two crude oils with distinct API gravities and SARA compositions to evaluate the role of fluid–rock interactions in depth. Two crude oils with different API gravities were selected to evaluate the role of oil composition in fluid–rock interactions. Crude oil properties were characterized using SARA analysis, while imbibition tests were conducted using 5000 ppm brine and nanosilica dispersions at controlled concentrations. Wettability Index (WI) was determined using the Amott cell method, and Oil Recovery Factor (ORF) was calculated from produced oil volume. Results indicate that LHP nanosilica consistently shifts rock wettability toward more water-wet conditions. The lighter crude oil exhibits a stronger wettability response and higher recovery improvement than the heavier oil. A positive correlation between WI and ORF confirms wettability alteration as the dominant enhanced oil recovery mechanism. These findings provide a significant contribution by establishing crude oil characteristics as a key controlling factor in nanofluid EOR design, which is crucial for field applications with complex fluid variations.
Co-Authors Andi Wibowo Asep Kurnia Permadi Celli, Agli Tori Danang Sismartono David Maurich Ghaziyah, Hawa Syuraih Hani, Berkah Herlambang, Karyanto Indra Nurdiana Sismartono, Danang Sutresno, Wahyu Wibowo, Gilang Saputra Widia Yanti, Widia Wihdany, Falza Izza