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Petro : Jurnal Ilmiah Teknik Perminyakan

petro
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Published by Universitas Trisakti

ISSN : 19070438 EISSN : 26147297 DOI : https://doi.org/10.25105/petro.v11i2.14060

Core Subject : Economy, Science, Engineering,

Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering

The PETRO Journal is all about the upstream oil and downstream oil and gas industry. Upstream studies focus on production technology, drilling technology, petrophysics, reservoir study, and eor study. Downstream technology focuses on the oil process, managing surface equipment, geothermal, and economic forecast.

Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geokimia danPetrologi

Articles 290 Documents

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PERFORMANCE COMPARISON ANALYSIS BETWEEN RSS AND CONVENTIONAL MUD MOTOR IN MAVVAR FIELD Raka Sudira Wardana; Bastian Andoni
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 3 (2019): SEPTEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Rotary Steerable System (RSS) has transformed the directional drilling industry by producing smoother borehole, reducing torque and drag and enhancing the Rate Of Penetration (ROP). Despite the advantages of using RSS, the conventional steerable motor is still widely used in deviated well due to its lower daily cost. Therefore, to optimize the performance and the cost of the drilling operation, it is critical to analyze when the RSS outweigh the conventional mud motor. This paper analyzes the performance between Rotary Steerable System and Conventional Steerable Motor, based on these following parameters: Rate of Penetration (ROP), overall drilling cost, borehole quality and lost in hole cost. This empirical study uses literature study and quantitative data analysis from several wells in Mavvar Field in compliment. The result shows that the Rotary Steerable System (RSS) provides better performance and more efficient in cost.

DETERMINING OF FORMATION WATER SATURATION TO ESTIMATE REMINING HYDROCARBON SATURATION IN THE X LAYER Y FIELD Ratnayu Sitaresmi; Guntur Herlambang Wijanarko; Puri Wijayanti; Danaparamita Kusumawardhani
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 3 (2019): SEPTEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Efforts are made to find the remaining hydrocarbons in the reservoir, requiring several methods to calculate the parameters of reservoir rock characteristics. For this reason, logging and core data are required. The purpose of this research is to estimate the Remaining Hydrocarbon Saturation that can be obtained from log data and core data. With several methods used, can determine petrophysical parameters such as rock resistivity, shale volume, effective porosity, formation water resistivity, mudfiltrate resistivity and rock resistivity in the flushed zone (Rxo) and rock resistivity in the Uninvaded Zone which will then be used to calculate the Water Saturation value Formation (Sw) and Mudfiltrat Saturation. (Sxo) In this study four exploratory wells were analyzed. Shale volume is calculated using data from Gamma Ray Log while effective Porosity is corrected for shale volume. Rw value obtained from the Pickett Plot Method is 0.5 μm. The average water saturation by Simandoux Method were 33.6%, 43.4%, 67.0% and 39.7% respectively in GW-1, GW-2, GW-3 and GW-4 wells. While the average water saturation value by the Indonesian Method were 43.9%, 48.8%, 72.3% and 44% respectively in GW-1, GW-2, GW-3 and GW-4 wells. From comparison with Sw Core, the Simandoux Method looks more appropriate. Average mudfiltrate (Sxo) saturation by Simandoux Method were 65.5%, 68.2%, 77.0% and 64.6% respectively in GW-1, GW-2, GW-3 and GW wells -4. Remaining Hydrocarbon Saturation (Shr) was obtained by 34.5%, 31.8, 23%, 35.4% of the results of parameters measured in the flushed zone namely Rxo, Rmf and Sxo data. For the price of Moving Hydrocarbons Saturation or production (Shm) is 31.9%, 24.8%, 10%, 24.9% in wells GW-1, GW-2, GW-3 and GW-4.

ANALISA PREDIKSI TEKANAN PORI FORMASI MENGGUNAKAN PERSAMAAN EATON Weny Astuti; Raka Sudira Wardana; Jan Friadi Sinaga
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 3 (2019): SEPTEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Prediksi tekanan abnormal formasi merupakan hal yang penting pada operasi pengeboran. Prediksi tekanan pori formasi yang tepat bisa mencegah terjadinya permasalahan pada pengeboran seperti pipe sticking, lost circulation, kick hingga blowout. Tekanan pori formasi bisa diukur secara langsung melalui Repeat Formation Tester (RFT) atau Modular Dynamic Tester (MDT), namun hal ini proses ini tidak dilakukan di setiap kedalaman dan hanya bisa dilakukan setelah proses pengeboran selesai dilakukan. Untuk itu perlu dilakukannya prediksi tekanan pori formasi dengan menggunakan data – data logging menggunakan persamaan empiris. Salah satu persamaan yang umum digunakan yaitu persamaan Eaton (1975). Pada paper ini dibahas analisa prediksi tekanan formasi menggunaan persamaan Eaton untuk sumur X di lapangan Y. Hasil prediksi menunjukkan adanya zona tekanan pori abnormal pada sumur X.

PERHITUNGAN GAS IN PLACE DAN RECOVERY FACTOR PADA LAPANGAN CBM SUMUR X Yusraida Khairani Dalimunthe; Def Marshal; Ratnayu Sitaresmi
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 3 (2019): SEPTEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

The Coal Bed Methane well X is a field developed by company A where 5 CBM test wells have been drilled. This CBM field development in 2004 by drilling wells to a depth of 3000ft, then in 2006 drilling was carried out for three test wells with an average depth of 3000ft. The research conducted at LEMIGAS aims to calculate coalbed methane reservoir reserves, calculation of reserves per seam, recovery factor, from each coal sample. The volumetric method is used in this research to calculate the methane gas reserves and Langmuir curve analysis is used to calculate the recovery factor. The target of this research is the CBM field in well X, where the well has 3 seams, namely seam-2, seam-3, and seam-4. In addition to calculating the value of methane gas reserves for each well, the methane gas reserves for each seam are also calculated. From the results of the calculation, it can be concluded that the largest value of gas in place is on seam 4 which is 573.2 MMscf and the smallest is on seam 2 which is 176.1 MMscf, then the largest recovery factor value is owned by seam 3 which is 91%.

A PROXY MODEL TO PREDICT WATERFLOODING PERFORMANCE IN CHANNELING DELTAIC SAND RESERVOIR Amega Yasutra; Dedy Irawan; Frans Ondihon Sitompul
PETRO: Jurnal Ilmiah Teknik Perminyakan Vol. 9 No. 1 (2020): MARET
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

In recent days, waterflooding activities carried out as a part of secondary recovery. Before performing waterflooding, engineers have to perform reservoir simulation first to predict reservoir performance in order to waterflood. Generally, reservoir simulation is conducted by using numerical simulation method. Numerical simulation gives precise results although it depens on the availiability, quality, and quantity of reservoir characteristic and injection operation data. In addition, numerical simulation also time-consuming and quite complex to use. Proxy model is kind of machine learning. It’s able to predict performance of waterflooding quickly and easier to use. The result isn’t differ too much with numerical simulation method. Proxy model is an equation model that construct form quite many experiment data. This research is trying to predict performance of normal 5 spot waterflooding in reservoir with channeling deltaic sand sedimentation by using proxy model. The proxy model will be tested on a real field case. The results indicate that proxy model is able, faster, reliable and easy to use to predict waterflooding performance in such type of reservoir.

INTEGRATED OF GEOMECHANICS WELLBORE STABILITY & SWEET SPOT ZONE ANALYSIS TO UNCONVENTIONAL WELL DRILLING OPTIMIZATION Allen Haryanto Lukmana
PETRO: Jurnal Ilmiah Teknik Perminyakan Vol. 9 No. 1 (2020): MARET
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Abstract Central Sumatra Basin is one of the largest hydrocarbon producer basins in Indonesia. The largest hydrocarbons accumulation in this basin does not rule out the possibility of hydrocarbons also trapped in shale source rock. The potential for hydrocarbon shale is in the Brown Shale Pematang Group layer. The obstacle to development is the depth of the Brown Shale layer so deep that further case studies are needed. This study aims to analyze the geomechanical wellbore stability modelling for drilling and determination sweet spot zone supported by x-ray diffraction (XRD), brittleness index (BI), total organic carbon (TOC) analysis. The geomechanical wellbore stability modelling based on pore pressure, shear failure gradient/collapse pressure, fracture gradient, normal compaction trend, minimum horizontal stress, maximum horizontal stress and overburden gradient analysis. Brittleness index considers each parameter from XRD data which dominantly contains clay, quartz, and calcium. Based on XRD analysis of shale samples from Limapuluh Koto Area, it showed that the samples included the brittle shale group because of the dominant quartz, while the samples from Kiliran Jao were shale brittle because of dominant carbonate (carbonate-rich). From laboratory test results of 8 rock samples from Brown Shale Formation outcrop in Limapuluh Koto Area, it was obtained total organic carbon (TOC) value is 4-17% (average 8%). The shale thickness estimated > 30 m, the brittleness index shale estimated 0.71, and the gradient of over-pressure on Brown Sahle Pematang Group estimated 0.57 psi/ft & 0.53 psi/ft from log data analysis. So the output of this results the study is expected to get stable borehole, minimum of non-productive time (NPT), the problem when drilling such as caving and sloughing. Based on (Mt, 2013), the prospect criteria results can be concluded that the Brown Shale Formation has good unconventional hydrocarbon shale potential. It can be carried out with further research.

EVALUASI ISI AWAL GAS DI TEMPAT DAN ANALISIS DECLINE CURVE PADA RESERVOIR YS Yogie Seto S.W; Onnie Ridaliani; Lestari Lestari
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

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.

EVALUATION THE CALCULATION OF WATERSATURATION WITH SIMANDOUX AND INDONESIA METHOD IN THE P LAYER R FIELD Puri Wijayanti; Ratnayu Sitaresmi; Guntur Herlambang Wijanarko
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Logging Interpretation aims to determine petrophysical parameters such as volume shale, porosity, formation water resistivity used to calculate water saturation values. In this study the wells analyzed were four exploration wells. Log analysis carried out in this well is in the form of qualitative analysis and quantitative analysis. The average shale volume in KML-1, KML-2, KML-3 and KML-4 wells is respectively 0.172, 0.132, 0.167 and 0.115. The average effective porosity of KML-1, KML-2, KML-3 and KML-4 wells is 0.236, 0.268, 0.219 and 0.225 respectively. The values of a, m and n follow the lithology of the well, namely limestone (carbonate) with a value of 1, 2 and 2. The value of Rw is obtained from the Pickett Plot Method that is equal to 1.52 Ωm on KML-1, 1.52 Ωm on KML-2, 1 , 52 Ωm on KML-3 and 0.5 Ωm on KML-4. The average water saturation with the Simandoux Method in KML-1, KML-2, KML-3 and KML-4 wells is 0.336, 0.434, 0.670 and 0.397. While the average water saturation value with the Indonesian Method in KML-1, KML-2, KML-3 and KML-4 wells is 0.439, 0.488, 0.723 and 0.440 respectively. From the comparison with Sw Core, the Simandoux method is better used in calculating water saturation because the result is closer to the value of Sw Core.

ANALISIS UJI PRODUKSI DENGAN ORIFICE PLATE PADA SUMUR J-97 LAPANGAN PANAS BUMI “KYU” Samsol Samsol; Widia Yanti; Onnie Ridaliani Ridaliani; Stiven Julian
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

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..

ANALISIS PRESSURE BUILD-UP RESERVOIR GAS KONDENSAT DALAM FORMASI KARBONAT Jodica Jodica; Onnie Ridaliani; Ghanima Yasmaniar
PETRO:Jurnal Ilmiah Teknik Perminyakan Vol. 8 No. 4 (2019): DESEMBER
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

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.

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Home Page

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Contact Name Cahaya Rosyidan

Contact Email cahayarosyidan@trisakti.ac.id

Phone +6281916319569

Journal Mail Official jurnal_petro@trisakti.ac.id

Editorial Address Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi, Gedung D, Lt.4, Universitas Trisakti Jl. Kyai Tapa No. 1 Grogol, Jakarta 11440

Location Kota adm. jakarta barat, Dki jakarta INDONESIA

Abstract

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Contact Name
Cahaya Rosyidan

Contact Email
cahayarosyidan@trisakti.ac.id

Phone
+6281916319569

Journal Mail Official
jurnal_petro@trisakti.ac.id

Editorial Address
Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi, Gedung D, Lt.4, Universitas Trisakti Jl. Kyai Tapa No. 1 Grogol, Jakarta 11440

Location
Kota adm. jakarta barat,

Dki jakarta

INDONESIA