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ANALISIS SENSITIVITAS UNTUK MENENTUKAN UKURAN TUBING PRODUKSI YANG OPTIMUM DI SUMUR MINYAK Karmila Karmila; Deny Fatryanto E.W.E
PETROGAS: Journal of Energy and Technology Vol 3, No 1 (2021): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v3i1.51

Abstract

Production planning system is important thing in development phase of oil and gas field. The function is to transport of fluid from reservoir to surface facility until sales export point. In production system, one critical phase is determined production tubing that allow to accommodate optimum production rate both when well flow with natural flow or using artificial lift. Nodal analysis is common method that use to plan of production system. This method can give comprehensive view about whole integrated system. In this research, nodal analysis is used to determine optimum tubing size considering pressure profile that occurs in wellbore. Beggs & Brill method is used after comparison between available empiric and analytic model. This based on from model of flow regime in tubing when the well have big oil and gas ratio. The result of This research shown that tubing size determination have variation between wells. Well 1 will be effective using 4.5” tubing size, well 2 will be effective using 2.375” tubing size and well 3 will be effective using 2.375” tubing size. This determination based on performance curve for individual tubing size to production rate and considering changing in pressure curve (gradient transverse)
ANALISIS JENIS FLUIDA RESERVOIR BERDASARKAN NILAI SW DAN LOG SUMUR DS-19, CS-21, RS-23 FORMASI AIR BENAKAT CEKUNGAN SUMATERA SELATAN Dicky Setiawan Sirait; Rohima Sera Afifah; Karmila Karmila
PETROGAS: Journal of Energy and Technology Vol 5, No 1 (2023): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v4i1.92

Abstract

Hydrocarbon exploration currently has a variety of methods in operation to determine and identify a reservoir according to the required parameters. Well log data plays an important role in the development of hydrocarbon exploration. Hydrocarbon saturation can be known by first calculating the water saturation, so the value of Sw is the key to work to determine the type of reservoir and its fluid content at an interval or reservoir zone accompanied by crossover and separation readings on the density & neutron log curve. The research was conducted in the Jambi Sub-basin area, ANONIM field, South Sumatra, DS-19, CS-21, RS-23 wells with shaly sand lithology which produces three productive zones. Based on the results, wells DS-19, CS-21, RS-23 has a gaseous hydrocarbon fluid with Sw value in the DS-19 well of 10.5%, CS-21 well of 27.1%, and RS-23 well of 22.4%.