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All Journal IJOG : Indonesian Journal on Geoscience Seminar Nasional Teknik Kimia Kejuangan Techno LPPM Journal of Geoscience, Engineering, Environment, and Technology JOURNAL OF EARTH ENERGY ENGINEERING
Ahmad Muraji Suranto
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology Physics

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Journal : Techno LPPM

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OIL RESERVES ANALYSIS IN BATANG FIELD WITH MATERIAL BALANCE METHOD FOR PRESSURE MAINTENANCE Fachri Muhammad Winant; Suranto Suranto; Boni Swadesi
Techno LPPM Vol 7, No 1 (2021)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

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Material Balance method is a concept of material equilibrium with measurement of response from reservoir (pressure) due to production, injection, and influx activities so that it can calculate the appropriate Original Oil in Place. By creating a material balance model, it can be done the development plan of Batang Field with the aim of obtaining cumulative optimum oil production. Batang Field is still feasible to be developed using pressure maintenance scenarios seen from OOIP of 144.3 MMSTB, Recovery Factor of 14.9% and Current Pressure of 70-80 psi.  Pressure Maintenance is a water injection with the aim of replacing the fluid that has been produced so that it is expected to keep the reservoir pressure from falling. Ideally this method requires Voidage Replacement Ratio (VRR) = 1 as the target injection. Economic calculation using Cost Recovery from this scenario shows a positive NVP ($ 2,865,000 USD). Therefore, development projects using Pressure Maintenance can be applied in the field. With this paper, it is hoped that it can increase reserves and  lifespan of the Batang oil field.
TECHNICAL AND ECONOMICAL EVALUATION FOR ELECTRICAL SUBMERCIBLE PUMP OPTIMAZATION USING VARIETY OF STAGES AND FREQUENCIES AT THE “INTB-12” WELL IN THE WIDURI FIELD Reinhard Fredrik Batubara; Suranto Suranto; Dyah Rini Ratnaningsih
Techno LPPM Vol 7, No 1 (2021)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

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Based on the analysis and calculations from daily production reports, there was a decrease in oil production of about 500 barrels of oil per year in the Widuri Field. The output of fluid produced occurred since drilling activities, completion of wells and production. In addition, other problems arise related to production optimization, namely excessive use of electrical energy in electrical submersible pumps, artificial lifts used to produce hydrocarbon fluids in Widuri Field with limited electrical energy capacity. ESP optimization can use VSD, because the ESP pump motor is an induction motor, where the speed is very proportional to the electric power supply. By adjusting the frequency of the ESP motor on the VSD, of course, you will be able to control the operation of the ESP in a wider range of capacity, head, and efficiency, so that you can determine the price of the desired optimum production rate based on 70% - 80% of Qmax. The optimization will be carried out in this research is to replace the ESP type with the number of stages and the number of new frequencies as well as calculating the lifting cost ratio. The purpose and objective of writing this research is to evaluate the volumetric efficiency of the pump that is being installed in the well so that optimization can be done in the study well by doing various ways and calculating the economic of each pump, that it gets the most economical lifting cost price. The method of this paper is the variation of stages and frequencies to get how much% volumetric efficiency, the Pump Discharge (P2) and Pump Intake (P3) methods to optimize the pump in the study well and Oil Lifting Cost for its economy. The conclusion is that you can determine which ESP pump to use based on the oil lifting cost.
Co-Authors Aris Buntoro Aris Buntoro Boni Swadesi C. Prasetyadi Cahyadi Julianto Carolus Prasetyadi Dyah Rini Ratnaningsih Dyah Rini Ratnaningsih Fachri Muhammad Winant Indah Widiyaningsih Indah Widyaningsih Lufis Alfian Alannafi Ratna Widyaningsih Ratna Widyaningsih Reinhard Fredrik Batubara Ricky Adi Wibowo Ricky Adi Wibowo Sri Wahyu Murni Sri Wahyu Murni