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A Prospective Method to Increase Oil Recovery in Waxy-Shallow Reservoir

机译:一种提高糯浅层储层利油回收的前瞻性方法

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Waxy oil has been the main characteristics of The X field. Initial screening criteria studies indicated that cyclic steam stimulation (CSS) would be the optimum option because favorable reservoir condition. Based on this method we would like to know how much oil gain and the effect of steam for the stimulated and surrounding well. The injection of steam was done for 7 days followed by 14 days of soaking period. 39,000 liter of Marine fuel oil was used to generate steam for stimulation with an average produce steam quality about 80%. Average of 255 MMBTU of steam was injected each day with total steam injected was about 1.7 BBTU. The oil production was increased four times from 5 bopd into 21 bopd. Proper well candidate and high permeability are some reason for this method successfully increase oil production. Additional heat from steam reduced the damage near wellbore due to wax deposition. This is verifying by increasing productivity index from 3 bbl/psi to 4 bbl/psi. From results and observation data, this method can be a platform for typical shallow depth reservoir with high paraffinic content especially other reservoir in Sihapas formation.
机译:蜡质油一直是X场的主要特征。初始筛选标准研究表明,循环蒸汽刺激(CSS)是最佳选择,因为储层条件有利。基于这种方法,我们想知道蒸汽为刺激和周围井的蒸汽和蒸汽的影响。将蒸汽注入7天,然后浸泡14天。 39,000升海洋燃料油用于产生蒸汽的刺激,平均产生蒸汽质量约为80%。每天注入255 mmbtu的蒸汽的平均值,总蒸汽注入约1.7 bbtu。石油产量从5个Bopd进入21个Bopd增加了4次。适当的候选性和高渗透性是这种方法的原因成功提高了石油生产。由于蜡沉积,蒸汽的额外热量降低了井筒附近的损坏。这是通过将3 bbl / psi的生产率指数增加到4 bbl / psi来验证。从结果和观察数据来看,这种方法可以是典型浅层储层的平台,具有高石蜡含量,特别是Sihapas地层中的其他储层。

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