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All Journal Jurnal English Education: Jurnal Tadris Bahasa Inggris Biotropika AGRIVITA, Journal of Agricultural Science Jurnal Penelitian Humaniora PRISMA English Language and Literature International Conference (ELLiC) Proceedings NURSING UPDATE JURNAL ILMIAH ILMU KEPERAWATAN Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Nusantara: Jurnal Pendidikan Indonesia ETNIK : Jurnal Ekonomi dan Teknik Indo-MathEdu Intellectuals Journal Scientific Journal Proceeding Muhammadiyah International Public Health and Medicine Conference Jurnal Indonesia Sosial Teknologi Jurnal Pengabdian Widya Dharma
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Journal : Jurnal Indonesia Sosial Teknologi

 1 
Pengaruh Chalky pada Porositas dan Permeabilitas Reservoir Batugamping Berdasarkan Uji Laboratorium Sampel Core, dari Lapangan “AR” Rahman, Arief; Rahmawati, Rani
Jurnal Indonesia Sosial Teknologi Vol. 2 No. 06 (2021): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1305.081 KB) | DOI: 10.59141/jist.v2i06.175

Abstract

Porositas batuan reservoir menentukan jumlah volume cadangan migas, sedangkan permeabilitas sangat penting untuk radius pengurasan migas dan recovery factor (RF). Tujuan dari penelitian yaitu mengetahui efek kedalaman terhadap porositas batugamping (limestone), hubungan porositas dan permeabilitas, dan mengetahui efek/pengaruh adanya chalk pada sampel core plug batugamping terhadap nilai porositas dan permeabilitas. Metode penelitian yang digunakan adalah Uji Lab yang dilakukan di Laboratorium Routine Core Analysis (RCAL) di PPPTMBG “Lemigas” Jakarta. Bahan yang digunakan adalah 21 (dua puluh satu) sampel core plug yang diambil secara horizontal, yang sudah di deskripsi, dan siap uji, dari sampel conventional core dari reservoir batugamping yang mengandung minyak bumi (oil reservoir), dari lapangan “AR”. Tahapan penelitian yaitu mengukur nilai porositas (ø) dan permeabilitas (k) menggunakan alat porosimeter-permeameter dengan gas helium, kemudian plot grafik hasil pengukuran, untuk dilakukan analisis. Hasilnya, pengukuran porositas limestone tanpa chalky terendah yaitu 11,58% s.d tertinggi yaitu 23,79%, atau cukup (fair) hingga sangat baik (very good), sedangkan porositas limestone dengan chalky terendah yaitu 29,20% s.d tertinggi yaitu 42,12%, atau istimewa (excellent). Permeabilitas limestone tanpa chalky terendah yaitu 0,5 mD s.d tertinggi yaitu 10,90 mD, atau ketat (tight) hingga cukup (fair), sedangkan permeabilitas limestone dengan chalky terendah yaitu 38,4 mD s.d tertinggi yaitu 193,90 mD, atau baik (good) hingga sangat baik (very good). Kesimpulan penelitian ini yaitu porositas batuan karbonat dalam kasus ini tidak berpengaruh terhadap kedalaman, hubungan porositas dan permeabilitas dalam kasus ini adalah berbanding lurus secara eksponensial, dan nilai porositas dan permeabilitas limestone dengan kehadiran chalky lebih baik dibanding limestone tanpa kehadiran chalky.
Uji Laboratorium Sampel Core Plug untuk Menentukan Porositas, Permeabilitas dan Saturasi Minyak pada Reservoir Batugamping Rahman, Arief; Rahmawati, Rani
Jurnal Indonesia Sosial Teknologi Vol. 3 No. 07 (2022): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (935.202 KB) | DOI: 10.59141/jist.v3i07.466

Abstract

Porosity, permeability, and fluid saturation (gas, oil, water) are three important physical properties of rocks, especially in oil and gas reservoirs (oil and gas) which are carried out in core rock analysis. The purpose of this study is to determine the relationship between porosity, permeability, and oil saturation in limestone (limestone) from a horizontal plug core sample to a vertical core plug sample, to be associated with its distribution vertically and horizontally (laterally). The research method used is a Lab Test conducted at the Routine Core Analysis (RCAL) Laboratory at PPTMBG "Lemigas" Jakarta, and graphical analysis of the measurement results. The core plug samples used were 21 (twenty one) which were taken horizontally and 10 were taken vertically, which has been described, from conventional core samples from limestone reservoirs. The results of his research are that the porosity values ​​of the vertical and horizontal samples of limestone have an indistinguishable trend, while limestones without chalky have a deeper trend, the porosity is greater, while porosity with chalky has a scatter trend, this indicates that the porosity of limestones is higher. influenced by lithological conditions or depending on the facies and the time of diagenesis, not depending on the depth (as in the case of sandstone). The value of oil saturation in the vertical and horizontal samples has a distribution that can be said to not show a certain trend or scatter. The relationship between porosity and permeability is exponentially proportional, regardless of depth and vertical or horizontal core sampling position. The value of porosity and permeability of limestone with the presence of chalky is more dominant, significantly increasing the value of porosity and permeability compared to that without the presence of chalky.
Co-Authors Abdul Asib Abdur Rohim, Abdur Anissa, mutiara Anita, Dian Arief Rahman Ayustin, Firdyana Dwi Bilatasya, Yolanda Budiman, Asep Budiman Cahyaningrum, Ana Octavia Catur Retnaningdyah Damayanti, Viki Dewi, Rahayu Kusnita Diniyati, Deni Fery Firmansah Hutomo, Suryo Priyo Ismail Yusup Jumaini, Jumaini Khafidhoh Nurul Aini, Khafidhoh Nurul Kusumawati, Woro Sophia Amirul Lestari, Resti Madiana Loveana, Okta Nur Arifah Drajati Nuranita Adiastuty, Nuranita Ongko Cahyono Prakoso, Bagus Aji Purwanto Purwanto Rachmawatie, Srie Juli Riaty, Zufrias Rismadefi - Woferst Rukmana, Sandy Puspita Salimatul Amanah, Salimatul Sudadi Sudadi Sujaya, Krisna Sumarni Sumarni Trijayanti, Patma Triyaningsih, Nanda Ulfa, Rizky Amalia Wangi, Nisaul Barokati Seliro Widyatmani Sih Dewi Yanti, Ulfah Aulia Dewi Zulkarnain, Aulia