Capacity Requirements Planning in Water Injection Plant (WIP) Facilities of the Exploration Wells at Oil Company

M. Sembiring, Sri Ivan Madriansyah, M. Sitepu
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Abstract

In production wells, in line with the production time there is a decrease in reservoir pressure and this condition causes a reduction in the economic value of the well. The problem of wells that have decreased production capability caused by a decrease in reservoir pressure can be overcome by means of artificial lift methods. Water injection is a method of injecting by re-injecting water that is carried along with oil during the petroleum production process using an injection pump. Based on this, capacity planning is needed in relation to the need for injection pump engines in the operating area so that the petroleum production process can run smoothly. The method used is to perform formation water forecasting needed in each exploration wells based on historical data injection water formation to obtain a plan regarding the capacity of the pump engine to be used in the coming period. Based on the results of forecasting, it is known that 32 periods have the possibility to exceed WIP capacity by 2000 bwpd. From the observations, an additional 2000 bwpd is needed to increase WTP capacity to 4000 bwpd with the proposed cost needed for the procurement of injection water per month is Rp. 22.083.333 compared to the previous required cost of Rp. 32.129.400,- per month.
石油公司探井注水设备产能需求规划
在生产井中,随着生产时间的延长,油藏压力降低,导致井的经济价值降低。通过人工举升的方法可以克服由于储层压力降低而导致产能下降的问题。注水是在石油生产过程中,利用注水泵将伴随原油的水再注入油田的一种方法。在此基础上,需要根据作业区域对喷油泵发动机的需求进行产能规划,以便石油生产过程顺利进行。该方法是根据注水地层的历史数据,对每口探井所需的地层水进行预测,从而对未来一段时间内泵机的使用能力进行规划。根据预测结果,已知有32个时期有可能超过WIP容量2000桶/天。从观察结果来看,要将WTP能力提高到4000 bwpd,还需要额外的2000 bwpd,每月采购注入水的建议成本为22.083.333卢比,而之前的每月所需成本为32.129.400卢比。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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