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All Journal Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Petro : Jurnal Ilmiah Teknik Perminyakan
Bambang Kustono
Universitas Trisakti
Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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IDENTIFIKASI KONDISI DAN POTENSI SUMUR BERDASARKAN DATA PTS SUMUR X Anugrah Rachmarifqi; Sugiatmo Kasmungin; Bambang Kustono
Journal of Mechanical Engineering and Mechatronics Vol 2, No 02 (2017): Journal of Mechanical Engineering and Mechatronics
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.378 KB) | DOI: 10.33021/jmem.v2i02.326

Abstract

Wells X has decreased the pressure inside the well. The thing that needs to be done on the well to determine the cause of the pressure drop is by doing Pressure, Temperature, Spinner Survey (PTS Survey) test when the well is flowing (PTS flowing) and when the well is closed (PTS shut-in). PTS flowing is done with the aim of determining the depth and contribution of feedzone, as well as determining the potential of generating electricity wells. PTS shut-in is done to determine the outflow phenomenon and determine the conditions in the wellbore. Data obtained by PTS survey are pressure, temperature, spinner speed, and cable speed. Data acquired by the PTS tool during PTS flowing and then processed, obtained that well X has three feedzone zones, ie feedzone 1 at 1084-1164 mKU depth, feedzone 2 at depth 1168-1392 mKU, and feedzone 3 at 1532 depth -1564 mKU. The contribution given by each feedzone was 6.2 kg / s at feedzone 1, 2 kg / s at feedzone 2, and 1.9 kg / s in feedzone 3. With a total mass of 10.1 kg / s of steam and power plant of 8 ton / hr / mw, well X has an energy potential of 4.55 MWe.Keywords: Pressure Temperature Spinner, Feedzone Contribution, Superheat, Condition of Wells, Reservoir Conditions
PERHITUNGAN POTENSI CADANGAN PANASBUMI LAPANGAN “X” MENGGUNAKAN DATA EKSPLORASI Syahda Ahyar Habibirahman; Lestari Lestari; Bambang Kustono
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 1 (2019): MARET
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (965.863 KB) | DOI: 10.25105/petro.v8i1.4291

Abstract

The method used in this reserve estimation is volumetric, regulated by Badan Standar Nasional Indonesia (BSNI) (SNI 13-6482-2000). This method considers that the reservoir is a form of dimensional space so that its volume can be measured. This type of method can also be used in reserve classes ranging from hypothetical resources up to proven reserves, with parameters used in this calculation obtained through assumptions and those that are the result of preliminary survey activities, which consist of geological (MT maps), geophysics (MT maps), and geochemistry (geothermometer) surveys. Data obtained from preliminary survey activities contains data on thickness, area, and temperature of the reservoir. Other parameters that have not been obtained from preliminary survey activities, such as rock porosity and heat capacity, final temperature, water and steam saturation, internal energy of water and steam, water and steam density, recovery factor, load factor and span and are based on assumptions compiled by BSNI (SNI 13-6482-2000). In addition of using volumetric methods, calculations are also performed using the Monte Carlo simulation method. This method uses random numbers as uncertainty factors in some parameters that have been obtained from the preliminary survey as mentioned above, with the type of distribution determined based on calculation parameters.. With the reservoir temperature of 220oC, area of 7.4 km2, & thickness reaches 1550 m, the potential for geothermal reserve at "X" Field based on the volumetric method is 36.90 MWe. Meanwhile, using the Monte Carlo simulation method, the potential reserves at a 90% confidence level are around 47.93 MWe: which has the the most likely reservoir temperature of 220oC with the range of values varies around 200-225oC, reservoir area with the most likely value is 7.5 km2 ranging from 4-11 km2, and the most likely thickness value is 1550 m with 1200-1700 m for the minimum and maximum values.The calculation results of the geothermal energy reserve potential in the "X" Field are 36.90 MWe using volumetric method and 47.93 for Monte Carlo simulation method.
Co-Authors Anugrah Rachmarifqi Lestari Lestari Sugiatmo Kasmungin Syahda Ahyar Habibirahman