PENCEGAHAN KENDALA DALAM TRANSFER PRODUCED WATER NILAM KE BADAK DENGAN SIMULASI & ANALISIS PENGGANTIAN PIPA 12” HDPE MENJADI PIPA 6” CS
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Abstract
Produced water is the main liquid waste in the oil and gas production process that must be safely transferred to the processing facility. The current produced water transfer system in the Nilam Field uses 12” HDPE pipes, but this material has limitations in terms of high pressure and potential deformation. This study aims to analyze the technical feasibility of replacing 12” HDPE pipes with 6” carbon steel (CS) pipes through hydraulic simulations using Aspen HYSYS and further calculations using Microsoft Excel. The main variables analyzed include pressure drop, flow velocity, and the maximum limit of the replacement pipe length that is still operationally safe. The simulation results show that the pressure drop of 6” pipes is greater than that of 12” pipes, so an evaluation of the maximum length of the pipe that can be replaced is necessary. The analysis results show that 12” pipes can only be replaced with 6” CS pipes with a maximum length of 2,025.97 meters, before the pressure drop and pressure surge exceed the operational safety limit. Thus, pipe replacement can only be done partially and it is not recommended to replace the entire existing pipeline.
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