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Oily solid deposits cleaning in heavily fouled injection water pipeline at PT. Pertamina Hulu Energy Ogan Komering

机译:油性固体沉积在PT的重污染水管道中清洁。 Pertamina Hulu Energy Ogan Komering

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PT. Pertamina Hulu Energi Ogan Komering (PHE OK) Water injection began in 1998, by injecting excess water in abandoned wells in Central ASD and continued in October 2000 and January 2002, and since May 2006 the injection rate was increased above 30,000 BWPD. From the analysis carried out, one of the obstacles in the injection water process at PHE OK is the main pipe capacity of the injection water which is getting smaller and the pressure drop along the pipe is very big. The pressure drop occurs due to the solid / deposition pile on the inside of the pipe, causing obstacles in the process of transferring injection water from the Block Station to the injection wells. From the laboratory analysis, the solid deposits inside the pipe wall is consist of more than 50% organic and hydrocarbon matters (paraffin, oils, and light asphaltene) often called as "Schmoo" deposit. Some pigging activities can not be done due to pipe size, pipe geometry that does not support, pipe construction that is not designed for pigging activities. To overcome the solid deposit problem, PHE OK carried out a field trial of Schmoo Remover Chemical to clean the pipe without using pipe pig. From the field trial result, the removal of the schmoo solid deposit resulted in a significant increase in water injection rates and decrease pipe pressure drop.
机译:Pt。 Pertamina Hulu Energi OGAN Komering(Phe OK)注水开始于1998年,通过在中央院制院制的废弃井中注入多余的水,并于2000年10月和2002年1月,自2006年5月以来,注射率增加到30,000 BWPD以上。从分析进行,PHE在注射水过程中的一个障碍物是注射水的主管能力,越来越小,管道沿管的压降非常大。由于管道内部的固体/沉积桩而发生压降,导致从块站将喷射水转移到喷射孔的过程中的障碍物。从实验室分析中,管壁内的固体沉积物由50%以上的有机和碳氢化合物物质(石蜡,油,光沥青质)组成,通常被称为“Schmoo”沉积物。由于管道尺寸,管材几何形状不支持的管材,管材结构不得进行一些小型活动,管道结构不设计用于排放活动。为了克服固体沉积问题,PHE OK对Schmoo Remover Chemical进行了现场试验,在不使用管猪的情况下清洁管道。从现场试验结果,去除Schmoo固体沉积物导致注水速率显着增加,减少管压下降。

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