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Pelasula, Berthy
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Journal : Journal Mechanical Engineering

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ANALISIS SISA UMUR PAKAI PIPA PENYALUR FUEL B.35 DI PLTMG AMBON PEAKER 30 MW Leatemia, Josua M.; Nanulaitta, Nevada J.M; Pelasula, Berthy
Journal Mechanical Engineering Vol. 2 No. 3 (2024): Desember
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i3.2888

Abstract

Pipeline systems are one way to deliver fuel from refineries to distribution points before it reaches consumers. The system consists of a number of pipes that transport the fluid over a considerable distance. An underground pipeline system is the system used in this design analysis. The technical requirements for the construction and planting of underground pipe systems will have an impact on the pipeline pressure. In this study is how to determine the Remain life of the fuel B.35 pipeline at the PLTMG Ambon Peaker 30 MW. Conducting a thickness testing method with an ultrasonic thickness gauge measuring instrument. In this test, researchers will carry out a series of stages, starting from pipe preparation and characterization to understand the initial condition of the pipeline. Afterwards, testing is carried out using an ultrasonic thickness gauge that not only focuses on the thickness of the pipe, but also on the overall structural integrity.This study was conducted by measuring the thickness of the pipe to obtain preliminary data to measure the remaining service life of the B.35 fuel distribution pipe from the holding tank to the daily tank. Measurement using ultrasonic thickness gauge. The length of the inspected pipe is 78 m divided into 13 staff, with 624 measurement points divided into 48 points per staff. The lowest remaining pipe life value is 13,5 years and the highest is in the 10th staff pipe worth 20,1 years. Keywords: pipe thickness, corrosion rate and remaining pipe service life
ANALISA TEORITIS HASIL PENGENDALIAN KOROSI PADA INSTALASI PIPA MINYAK DI PERUSAHAAN X Waworundeng, Tierza Yulia; Tuny, Samuel M. J. S.; Pelasula, Berthy
Journal Mechanical Engineering Vol. 2 No. 2 (2024): Agustus
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i2.2918

Abstract

Corrosion in oil pipelines is a frequent problem in the upstream oil and gas industry, reducing the strength of the structure to withstand fluid pressure and causing severe damage that cannot be repaired. This study aims to determine the factors that cause corrosion, apply the coating method as corrosion control, and conduct a comparative analysis of the corrosion control methods used in the oil piping system. The results of the analysis show that environmental conditions affect the type of material to be used. The use of the right pipe material such as stainless steel or API 5L steel can help in the selection of corrosion control methods, one of which is the coating method. Thus, this research helps to improve the operational efficiency of oil pipeline installations, reduce damage, and extend the service life of pipelines. In addition, this study also aims to compare the effectiveness of the corrosion control methods applied and the materials used, so that it can provide the right recommendations to control corrosion in oil pipes using an effective coating method.
ANALISA LAJU KOROSI PADA SAMBUNGAN ELBOW PIPA MINYAK DI PT. PLN ( PERSERO ) ULPLTD POKA Suparman, Widianti; Pelasula, Berthy; Patty, Alexander A.
Journal Mechanical Engineering Vol. 2 No. 2 (2024): Agustus
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i2.2921

Abstract

The oil pipeline network is a critical infrastructure that plays a vital role in the oil and gas industry. However, one of the significant challenges faced by this pipeline system is corrosion. Corrosion is a chemical process that leads to the deterioration of metal quality due to electrochemical reactions with the environment. Corrosion in oil pipelines not only reduces the wall thickness but can also result in leaks, structural damage, and even accidents that negatively impact human safety and the environment.The objective of this research is to analyze the corrosion rate in the elbow joints of oil pipelines at PT PLN (Persero) ULPTD Poka. This study employs a quantitative method involving two variables. The independent variable is the elbow type, specifically the 90° elbow, while the dependent variables are the corrosion rate calculations and the remaining service life (RSL) of the elbow pipes.The results indicate that the corrosion rate varies at each measurement point on the elbow joints. The RSL calculations show significant variation based on the thickness of the pipe wall at each elbow. The highest RSL values were found in elbows 3, 4, 5, and 8, with a remaining service life of up to 49.5 years. Conversely, elbow 1 had the lowest RSL at 38 years. The higher RSL in some elbows suggests that despite experiencing corrosion, the remaining thickness is still sufficient to support the pipeline's function for a longer duration. Recommendations include the need for intensive maintenance on the oil pipeline elbow joints, especially on segments above ground and near corrosive sources. Keywords: Oil Pipeline, Corrosion Elbow Joint, Remaining Service Life (RSL), Maintenance
EVALUASI STIMULASI PENGASAMAN (MATRIX ACIDIZING) RESERVOIR PADA SUMUR FFS DI LAPANGAN PT PERTAMINA EP CEPU FIELD ZONA 11 Salhuteru, Ferinda F; Subekti, Henk; Pelasula, Berthy
Journal Mechanical Engineering Vol. 3 No. 1 (2025): APRIL
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v3i1.3304

Abstract

As time goes by, FFS well production has decreased. This then became the background for implementing matrix-type acidification stimulation measures in the relevant fields. The acid used in FFS wells is 15% HCl and 6% HF. Significantly, this acidification process has 3 stages that need to be applied, namely, preflush, mainflush, and postflush. After this stimulation, it is estimated that there will be an increase of 26.5% with an oil price of 50 USD per bbl. After evaluation, it seems clear that there has been an increase in the production rate considering that the two compounds have reacted on a scale as seen in the increase in Q price in the FFS tang well, from 147 BOPD to 200 BOPD. From an economic perspective, we can also see efficiency in the use of equipment because it minimizes many aspects that need to be changed, in other words the production rate increases only with basic capital for certain chemicals. From the evaluation carried out, economic indicators can also be seen which make this research much more economical compared to previous research, where the FFS Well has a gross profit (Gross Revenue) of 8316000 USD. Meanwhile, the net profit obtained reached 3992000 USD. The NPV value with a discount of 11.87% is 477.58 USD, with an IRR of 33,79693377% and a POT of approximately 4.48 years. Keywords: Production rate, FFS well, scale, matrix, acidizing.
Analysis of the Effect of Paint Adhesion and Hardness on the Car Body Painting Process by Varying the Percentage of Paint Mixture Nanulaitta, Nevada J.M; Huka, Graciadiana I; Demmatacco, F; Pelasula, Berthy
Journal Mechanical Engineering Vol. 3 No. 1 (2025): APRIL
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v3i1.3351

Abstract

This study aims to analyze the effect of varying paint and thinner mixtures and the number of coats applied on the adhesion and hardness of car paint. The research method used was experimental, varying the paint:thinner ratio (100:110, 100:120, 100:130, and 100:140) and the number of coats applied (2 and 3). Adhesion testing was performed using a Cross-Cut Adhesion Tester, while hardness testing was performed using a Shore D Durometer. The results showed that a paint:thinner ratio of 100:130 provided optimal results for both tested parameters. In the adhesion test, the 100:130 ratio achieved level 5B (best) with no paint peeling, while in the hardness test, it reached the highest value of 88.77 HD. Excessive addition of thinner (ratio 100:140) resulted in a decrease in quality, with adhesion decreasing to level 3B and hardness dropping to 83.3 HD. Variations in the number of coats showed that using two coats provided more consistent results than three coats, especially in terms of adhesion. This study concluded that an optimal balance between paint and thinner is crucial for achieving good paint quality, with a 100:130 ratio providing the best results for automotive body painting applications. Keywords: Automotive Body Painting, Paint Adhesion, Paint Hardness, Paint-Thinner Mixture Variations, Paint Coating
Analisis Ketebalan Dinding Pelat Dan Sisa Umur Pada Tangki 11 – 15000kl Di PT. Pertamina Patra Niaga Integrated Terminal Wayame Kota Ambon setiawan, Arun; Lilipaly, Eka R. M. A. P.; Effendi, Edison; Pelasula, Berthy
Journal Mechanical Engineering Vol. 1 No. 3 (2023): Desember
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v1i3.2102

Abstract

Abstrak Tangki penimbun (storage tank) merupakan salah satu peralatan yang sangat vital pada proses produksi industri perminyakan yang berfungi sebagai tempat penyimpanan dan penimbunan bahan cair, baik berupa minyak mentah, produk BBM, hasil minyak olahan, maupun bahan-bahan kimia lainnya. Korosi merupakan salah satu hal yang menjadi penghalang dalam sebuah proses penyimpanan terlebih lagi dalam fluida cair. Metode yang digunakan dalam pembahasan diawali dengan studi literatur dari berbagai referensi dan penelitian sebelumnya, kemudian pengambilan data lapangan dan kemudian dianalisa.. Dari hasil pengukuran yang diambil pada bulan september 2023, untuk kondisi Tangki 11-15000KL masih bagus ditandai dengan ketebalan course 1-8 masih diatas batas minimum yang sudah ditentukan. Untuk course 1 Tact sebesar 18,77 mm dengan Tmin sebesar 13,22 mm dengan laju korosi sebesar 0,15 mm/tahun dan sisa umur sebesar 37 tahun. Untuk course 2 Tact sebesar 15,84 mm dengan Tmin sebesar 11,81 mm dengan laju korosi sebesar 0,145 mm/tahun dan sisa umur sebesar 27 tahun. Untuk course 3 Tact sebesar 15,06 mm dengan Tmin sebesar 9,45 mm dengan laju korosi sebesar 0,07 mm/tahun dan sisa umur sebesar 80 tahun. Untuk course 4 Tact sebesar 13,17 mm dengan Tmin sebesar 8,17 mm dengan laju korosi sebesar 0,06 mm/tahun dan sisa umur sebesar 83 tahun. Untuk course 5 Tact sebesar 10,23 mm dengan Tmin sebesar 6,89 mm dengan laju korosi sebesar 0,07 mm/tahun dan sisa umur sebesar 47 tahun. Untuk course 6 Tact sebesar 9,55 mm dengan Tmin sebesar 5,61 mm dengan laju korosi sebesar 0,08 mm/tahun dan sisa umur sebesar 60 tahun .Untuk course 7 Tact sebesar 9,26 mm dengan Tmin sebesar 4,33 mm dengan laju korosi sebesar 0,08 mm/tahun dan sisa umur sebesar 63 tahun. Untuk course 8 Tact sebesar 9,50 mm dengan Tmin sebesar 2,54 mm dengan laju korosi sebesar 0,08 mm/tahun dan sisa umur sebesar 84 tahun Dapat disimpulkan kondisi Tangki 11-15000KL masih dalam kondisi baik. Kata kunci: Tangki timbun,minyak,laju korosi,sisa umur tangki,ketebalan tangki
ANALISIS SISA UMUR PAKAI PIPA PENYALUR FUEL B.35 DI PLTMG AMBON PEAKER 30 MW Leatemia, Josua M.; Nanulaitta, Nevada J.M; Pelasula, Berthy
Journal Mechanical Engineering Vol. 2 No. 3 (2024): Desember
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i3.2888

Abstract

Pipeline systems are one way to deliver fuel from refineries to distribution points before it reaches consumers. The system consists of a number of pipes that transport the fluid over a considerable distance. An underground pipeline system is the system used in this design analysis. The technical requirements for the construction and planting of underground pipe systems will have an impact on the pipeline pressure. In this study is how to determine the Remain life of the fuel B.35 pipeline at the PLTMG Ambon Peaker 30 MW. Conducting a thickness testing method with an ultrasonic thickness gauge measuring instrument. In this test, researchers will carry out a series of stages, starting from pipe preparation and characterization to understand the initial condition of the pipeline. Afterwards, testing is carried out using an ultrasonic thickness gauge that not only focuses on the thickness of the pipe, but also on the overall structural integrity.This study was conducted by measuring the thickness of the pipe to obtain preliminary data to measure the remaining service life of the B.35 fuel distribution pipe from the holding tank to the daily tank. Measurement using ultrasonic thickness gauge. The length of the inspected pipe is 78 m divided into 13 staff, with 624 measurement points divided into 48 points per staff. The lowest remaining pipe life value is 13,5 years and the highest is in the 10th staff pipe worth 20,1 years. Keywords: pipe thickness, corrosion rate and remaining pipe service life
ANALISA TEORITIS HASIL PENGENDALIAN KOROSI PADA INSTALASI PIPA MINYAK DI PERUSAHAAN X Waworundeng, Tierza Yulia; Tuny, Samuel M. J. S.; Pelasula, Berthy
Journal Mechanical Engineering Vol. 2 No. 2 (2024): Agustus
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i2.2918

Abstract

Corrosion in oil pipelines is a frequent problem in the upstream oil and gas industry, reducing the strength of the structure to withstand fluid pressure and causing severe damage that cannot be repaired. This study aims to determine the factors that cause corrosion, apply the coating method as corrosion control, and conduct a comparative analysis of the corrosion control methods used in the oil piping system. The results of the analysis show that environmental conditions affect the type of material to be used. The use of the right pipe material such as stainless steel or API 5L steel can help in the selection of corrosion control methods, one of which is the coating method. Thus, this research helps to improve the operational efficiency of oil pipeline installations, reduce damage, and extend the service life of pipelines. In addition, this study also aims to compare the effectiveness of the corrosion control methods applied and the materials used, so that it can provide the right recommendations to control corrosion in oil pipes using an effective coating method.
ANALISA LAJU KOROSI PADA SAMBUNGAN ELBOW PIPA MINYAK DI PT. PLN ( PERSERO ) ULPLTD POKA Suparman, Widianti; Pelasula, Berthy; Patty, Alexander A.
Journal Mechanical Engineering Vol. 2 No. 2 (2024): Agustus
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v2i2.2921

Abstract

The oil pipeline network is a critical infrastructure that plays a vital role in the oil and gas industry. However, one of the significant challenges faced by this pipeline system is corrosion. Corrosion is a chemical process that leads to the deterioration of metal quality due to electrochemical reactions with the environment. Corrosion in oil pipelines not only reduces the wall thickness but can also result in leaks, structural damage, and even accidents that negatively impact human safety and the environment.The objective of this research is to analyze the corrosion rate in the elbow joints of oil pipelines at PT PLN (Persero) ULPTD Poka. This study employs a quantitative method involving two variables. The independent variable is the elbow type, specifically the 90° elbow, while the dependent variables are the corrosion rate calculations and the remaining service life (RSL) of the elbow pipes.The results indicate that the corrosion rate varies at each measurement point on the elbow joints. The RSL calculations show significant variation based on the thickness of the pipe wall at each elbow. The highest RSL values were found in elbows 3, 4, 5, and 8, with a remaining service life of up to 49.5 years. Conversely, elbow 1 had the lowest RSL at 38 years. The higher RSL in some elbows suggests that despite experiencing corrosion, the remaining thickness is still sufficient to support the pipeline's function for a longer duration. Recommendations include the need for intensive maintenance on the oil pipeline elbow joints, especially on segments above ground and near corrosive sources. Keywords: Oil Pipeline, Corrosion Elbow Joint, Remaining Service Life (RSL), Maintenance
Co-Authors Dahoklory, Melda Demmatacco, F Edison Effendi Huka, Graciadiana I Leatemia, Josua M. Lekatompessy, Roy R. Leslie S Loppies Lilipaly, Eka Rahmat Mahayani Anthonio Putera Loppies, Leslie S. Lopulalan, Cynthia G. C. Lopulalan, Cynthia Gracia C Mailoa, M. Mailoa, Meitycofrida Mairuhu, Dedy Malakauseya, Jeffrie Molle, Marchia Nanulaitta, Nevada J.M Nanulaitta, Nevada Mario Nevada M.J. Nanulaitta Patty, Alexander A. Pormes, Ludwina Salamoni , Thenny Daus Salhuteru, Ferinda F Sapulette, Alvian setiawan, Arun Subekti, Henk Suparman, Widianti Tuny, Samuel M. J. S. Wattimena, Seftnah J Waworundeng, Tierza Yulia Welem Waileruny, Welem