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ANALISIS PRESSURE BUILD UP TEST PADA SUMUR X- 11 LAPANGAN J Ginting, Mulia; Ristawati, Arinda; Heriyanto, Agus
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6210

Abstract

Sumur X-11 merupakan sumur gas yang terindikasi terdapat skin disekitar lubang perforasi, sehingga pada sumur X-11 dilakukan acidizing. Untuk mengetahui acidizing yang dilakukan berhasil atau tidak, maka dilakukan uji sumur. Uji sumur yang dilakukan adalah uji pressure build up dengan menggunakan metode Pressure Derivative dan Horner Plot. Selain itu dilakukan analisis uji deliverabilitas dengan menggunakan metode isochronal test,. Uji deliverabilitas dilakukan untuk mengetahui kemampuan suatu sumur untuk berproduksi (AOFP). Hasil  uji pressure build up test pada sumur X ? 11 didapatkan nilai permeabilitas, faktor skin, radius of investigation dan flow efficiency sebesar 9,868 mD, 0, 554,77 ft, dan 1,34.  Hasil uji deliverabilitas sumur X-11 didapatkan nilai Absolute Open Flow Potential (AOFP) sebesar 327227 Mscf/D. Nilai skin yang negatif menunjukkan bahwa acidizing  yang dilakukan pada sumur X-11 berjalan dengan baik.
ANALISIS UJI PRODUKSI DENGAN ORIFICE PLATE PADA SUMUR J-97 LAPANGAN PANAS BUMI “KYU” Samsol, Samsol; Yanti, Widia; Ridaliani, Onnie Ridaliani; Julian, Stiven
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6206

Abstract

In a study entitled "Analysis of Production Tests with Orifice Plate on the J-97 Well KYU Geothermal Field" will discuss the production test. Geothermal production tests are conducted to determine the potential of the production capacity of a well at different wellhead pressures so that the value of the mass flow rate and the well production curve is obtained. J-97 well is one-phase steam well, so the production test method used is to use the orifice plate. The pressure data read by the orifice plate is then converted to a mass flow rate. Calculating the mass flow rate can use the British Standard 1042 method. In the production test to obtain the final result in the form of a production curve, the gas deliverability equation can be used. The method used in the S-87 well is Flow After Flow Test (Back pressure Test). The final result of the curve shows a decrease in the production line calculated using the British Standard 1042 method..
THE KEY TO MINIMIZE MISCALCULATION OF OIL/CONDENSATE - QAS (QUANTITY ACCOUNTING SYSTEM) BY APPLYING ASTM PROVISIONS Ridaliani, Onnie
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6211

Abstract

The Petroleum Industry does not only consist of exploration and exploitation activities, but there are other activities that are also important, namely lifting activities. The lifting activity is one of the transfer/ shipping activities from upstream (Producer) to downstream (Buyer). One of the lifting activities is the calculation of the amount of oil/condensate, which is a calculation of the calculation and reporting of oil/condensate that is applied in managing the distribution of oil/condensate production from the block station to the point of sale. The importance of this calculation system is due to the amount of lifting that will be reported to the state. This needs to be done well to avoid the wrong amount of value. ASTM (American Society for Testing and Materials) is an international organization that develops and publishes technical standards for various materials, products, systems and services. The lifting job based on the conditions established by ASTM can minimize the possibility of errors in calculation of QAS (Quantity Accounting System), in this case specifically for fluid level measurements in tanks, temperature measurements, methods and techniques for measuring the number of samples, proving job, laboratory analysis (such as Density, BS&W, etc), and the methods that must be used (Flow Meter or Meter Tank Gauging) for QAS input. This paper is made using reference activities that happen in lifting points in Riau Province, North Sumatra Province, and Aceh Province. It is expected to provide more understanding of the necessary of applying the ASTM provisions to lifting activities.  
ANALISIS PRESSURE BUILD-UP RESERVOIR GAS KONDENSAT DALAM FORMASI KARBONAT Jodica, Jodica; Ridaliani, Onnie; Yasmaniar, Ghanima
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6207

Abstract

Different flow region will form in the reservoir when the gas condensate fluid flows with a bottom hole pressure below the dew point pressure. This flow region can be identified by the pressure build-up test analysis. This analysis can be done well on reservoir with homogeneous system and becomes more complex on reservoir with heterogeneous system. The purpose of this study is to find informations and characteristics about carbonate reservoir with gas condensate. Reservoir parameters that can be obtained are initial reservoir pressure (pi), permeability (k), skin factor (s), reservoir boundary (boundary), drainage area, and average reservoir pressure ( pr ). "JD-1" exploratory well penetrated the carbonate formation with the gas condensate hydrocarbon content. The well test analysis conducted is pressure analysis with pressure build-up testing and theanalysis results show a reservoir with a two-layer model, permeability value of 154 md, skin 13.8, initial pressure 3286.3 psia, and average reservoir pressure of 3285.7 psia.  
ANALISIS KIMIAWI AIRFORMASI PADA BATUGAMPING TERSIER DAERAH CISEENG BOGOR Nuryana, Suherman Dwi; Setiawan, Rendy; Asseggaf, Abdurrachman; Dian, Arini
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6212

Abstract

Ciseeng area of the Bogor Regency is geologically composed by the Quarter Volcano Deposition and Tertiary rocks. The phenomenon of hot springs in the Ciseeng area comes out through cracks in Tertiary-aged limestone. The purpose of this study was to determine the characteristics of formation water based on its chemical parameters. Research methods include the preparation stage; collection and compilation of groundwater data, and water samples; processing phase of groundwater chemical data, and stable isotope content of Oxygen-18 and Deuterium (?18O and ?2H); and data analysis. Based on the analysis of water quality, formation water that comes out as a Ciseeng hot spring contains a high chloride element (Cl) 23,680.6 mgr/l as a result of reacting with rock minerals derived from the Tertiary rocks below which with water at high temperatures, based on its chemical facies the Ciseeng hot springs, have magnesium type chloride. The results of plotting ?18O and ?D and deviations from the global meteoric water line show that the Ciseeng hot spring has the heaviest isotope content.
MENENTUKAN FORECAST PRODUKSI SUMUR DAN MENGHITUNG ORIGINAL OIL IN PLACE DENGAN METODE STRAIGHT LINE MATERIAL BALANCE RESERVOIR MINYAK PADA LAPANGAN Y Haryo Adi, Bonifasius Aristomo; Ridaliani, Onnie; Husla, Rida
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6208

Abstract

The purpose of calculating the Original Oil In Place (OOIP) is to know the potential of reservoir to be produced. Calculation of OOIP in field Y based on determining the type of drive mechanism at the beginningfollowed by calculation the value of Underground Withdrawal and parameters of fluid expansion. All parameters then used to draw the graphic using Havlena and Odeh Method. The value of OOIP is 354,766 MMSTB.Along with the time and production activity, the OOIP will be reduced. Therefore it is important to forecast the production itself. Constant Decline is determined using Trial Error and X2 Chisquare Test Method with value of constant decline b = 0 and decline rate 0,01855. This means that the type of decline curve is exponential curve. This type of decline curve is used to forecast the production until q economic limit. As a result, the value of Estimated Ultimated Recovery is 296,0386 MMSTB, Recovery Factor 83,4461%, and Remaining Reserve 51,9415 MMSTB. Keyword: Original Oil In Place, Decline Curve Analysis, material balance straight line, Recovery Factor, Remaining Reserve 
GEOMECHANICAL STRESS PROFILE AT GUNDIH FIELD: STRESS QUANTIFICATION AND ANALYSIS IN RESERVOIR FOR CO2 INJECTION Danio, Harya; Sapiie, Benyamin; Adnan, Oddy; Tsuji, Takeshi; Sule, Mohammad Rachmat
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6213

Abstract

Geomechanical analysis is performed at Gundih Field to obtain detail stress condition and mechanical properties from interval of interest. Ngrayong Formation is targeted as CO2 injection interval of Gundih Field. The detail interval 8 is determined using multi-mineral modelling and calibrated using XRD and petrographic data. Overpressure is detected from this well at Ngrayong Formation. Stress direction from adjacent well showed NE ? SW direction of maximum horizontal stress. Stress magnitudes and mechanical properties are calculated using available log data through well-established empirical equation resulted thrust faulting regime acting on this area. Injection capability of formation is examined from Mohr ? Coulomb diagram with input from calculated stress.Keywords: Geomechanics; Gundih Field; Ngrayong Formation; Reservoir; overpressure.
EVALUASI ISI AWAL GAS DI TEMPAT DAN ANALISIS DECLINE CURVE PADA RESERVOIR YS S.W, Yogie Seto; Ridaliani, Onnie; Lestari, Lestari
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6204

Abstract

YS reservoir has data of gas initial in place (GIIP) with a volumetric method of 3,476 Bscf. Because of improvement of data, GIIP can be evaluated using material balance method. Then the production of wet gas will be forcasted with plateu rate of 40 Mscf/d. The PVT data that needs to be calculated in this study is the gas and water compressibility factor and the formation volume factor each year. In determining the type of drive mechanism, a plot of P / Z versus cumulative gas production is carried out, from the analysis, the type of drive mechanism is water drive, it is necessary to calculate the water influx, the method used is the Van Everdengen-Hurst method. After all the required parameters are available, the calculation of the initial gas in place will be calculated, the method used is the material balance method and the straight line material balance method. The results of the initial gas in place calculation using the material balance and straight line material balance methods are 3,430 Bscf and 3,428 Bscf. If the results of the material balance method and the straight line material balance method are compared with available GIIP volumetric method data, the percent difference is 1,32% and 1,37%. It can be said that GIIP result using the material balance method and the straight line material balance method is accurate because after being evaluated using volumetric method, it only has a small percentage difference. Then from calculation, recovery factor are 67,43% using gas initial in place of straight line material balance method. With remaining reserve of 16,532 MMscf, the time of production plateu with 40 Mscf/d is 12,40 months.
MATERIAL INSULASI TERHADAP EFEK KEHILANGAN PANAS PADA JALUR PIPA PANAS BUMI Samsol, Samsol; Pudyastuti, Kris; Lie, Nicko Matthe
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6209

Abstract

Heat loss which occured because heat transfer from high temperature to low temperature is one of major problem in piping design in geothermal. Insulation used to solve the problem. These analysis carried out in 18 inch pipeline in steam field. Calcium silicate, rockwool, and foam glass is selected as 3 materials in these study. These 3 materials have different thermal conductivity, so ability to withstand heat for each of them is different. This research used to determine the best material to solve heat loss. Rockwool is the best material from the other 2 
ANALISIS KONDISI RESERVOIR PANAS BUMI DENGAN MENGGUNAKAN DATA GEOKIMIA DAN MONITORING PRODUKSI SUMUR ELS-02 LAPANGAN ELSA Putri, Nabilla Elsaphira; Ridaliani, Onnie; Yanti, Widia
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol 8, No 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v8i4.6214

Abstract

A good reservoir management is needed to maintain the availability and quality of geothermal production fluid. When producing geothermal fluids, there are some changes in reservoir parameters such as declining of reservoir pressure and temperature, chemical composition of geothermal fluids, and states of fluid that would affect the quality of reservoir by mixing, boiling, or cooling processes that may be happened because of those changes. It is becoming a concern on reservoir management. In this case, chemical concentrations of fluids monitoring is one of methods that can perform to reach a well reservoir management of geothermal field. With chemical monitoring process, current reservoir condition and processes that occurred during exploitation can be defined. In ELS-02 by monitoring and analyzing its enthalpy changes, chloride concentration changes, and NCG concentration changes and supported by its calcium, sulphate, and carbonate concentration profile, two processes could be defined: mixing with surface cooler water and reinjection breakthrough. Other than that, casing leak that causing surface water enter the well could be detected.  These become a sign to reservoir engineer to prepare for problems that may occur in near time term relating to well problem such as scaling and long time problem like massive cooling or drying of reservoir. After all, further development scenario of Elsa field can be made to improve its performance in producing fluids and heats.  

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