RANCANG BANGUN SISTEM KONTROL SCADA LEAK DETECTION SYSTEM PADA PIPELINE CRUDE OIL SPM#165 KE TANKI DENGAN METHODE VOLUME BALANCE

RAMDHAN, MUHAMMAD (2021) RANCANG BANGUN SISTEM KONTROL SCADA LEAK DETECTION SYSTEM PADA PIPELINE CRUDE OIL SPM#165 KE TANKI DENGAN METHODE VOLUME BALANCE. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Piping in the oil and gas industry plays an important role as a medium for the delivery / distribution of fluid which is always flowed for a certain period of time or continuously, but also has the threat of loss of fluid losses and environmental disasters (on land or at sea) in the event of a leak (for example, Pertamina sub sea pipeline leakage. RU V Balikpapan March 13 2018, PEP Balongan crude pipeline 19 March 2020). Leakage detection system technology in piping systems, especially under the sea, is very complicated, limited and requires equipment and signal support with a very fast response time. The basis of this research is to create a comprehensive early warning control system, so that the point of leakage, time of leakage, number of leaks that occurred and actions that must be taken (stop pumping, or isolation of the area). Reference standards for this system refer to the API 1130, 1149, TRFL standards. This system is designed for underwater piping (subsea), with a comparison of input and output data from Pressure, Flow and temperature sensors that work with Fast response, time including special communication lines as transmitters and receivers. From the design results and after modeling, the maximum tolerance is 1% of the maximum pump flowrate and an early warning time of 1 minute or an early warning volume of 500 Liters and is not limited to references in API standards 1130, 1149, TRFL in the design. Test data for leakage distance <5% (actual - 0.5% to 1%) and volume of 1% Maximum Pump Flowrate, within 1 minute or the maximum volume early warning is ≤500 liters. The results obtained are in the form of leakage points and estimated volume (based on time), in the control room in the sub control in the form of SCADA (Supervisory Control and Data Acquisition) and DCS (Distributed Control System). Keywords: Leakage, DCS, Leak Detection Systems, Mass / Volume Balance Methods, SCADA Perpipaan pada industri minyak dan gas berperan penting sebagai media pengiriman/distribusi fluida yang selalu dialiri dalam periode waktu tertentu atau kontinyu, namun juga memiliki ancaman terhadap kerugian kehilangan fluida dan bencana lingkungan (didarat maupun dilaut) jika terjadi kebocoran (contoh kebocoran pipa sub sea Pertamina RU V Balikpapan 13 Maret 2018, pipa Pipa crude PEP Balongan 19 Maret 2020). Teknologi leakage detection system pada system perpipaan terutama dibawah laut sangat rumit, terbatas dan memerlukan dukungan peralatan dan signal dengan respon time sangat cepat. Dasar penelitian ini bertujuan untuk membuat suatu system control early warning yang comprehensive, sehingga titik kebocoran, waktu terjadinya kebocoran, jumlah kebocoran yang terjadi dan aksi yang harus dilakukan (stop pumping, atau isolasi area). Standard acuan untuk system ini mengacu pada standard API 1130, 1149, TRFL. System ini dirancang untuk perpipaan bawah laut (subsea), dengan perbandingan data input dan output dari sensor Pressure, Flow dan temperature yang bekerja dengan Fast response,time termasuk jalur komunikasi yang khusus sebagai transmiter dan receiver. Dari hasil perancangan dan setelah permodelan didapatkan toleransi yang paling maksimal 1% dari maksimum flowrate pompa dan waktu early warning 1 menit atau volume early warning 500 Liter dan tidak terbatas pada acuan di standard API 1130, 1149, TRFL dalam perancangannya . Data pengujian jarak kebocoran < 5% (actual – 0,5% to 1%) dan volume 1% Maksimum Flowrate Pompa, dalam waktu 1 menit atau Volume maksimum early warning sebesar ≤500 liter. Hasil didapatkan berupa titik kekebocoran dan volume perkiraan (berdasarkan waktu), di control room di sub control berupa SCADA (Supervisory Control and Data Acquisition) dan DCS (Distributed Control System). Kata Kunci : kekebocoran, DCS, Leak Detection Systems, Mass/Volume Balance Methods, SCADA

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