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首页> 外文会议>2004 SPE international petroleum conference in Mexico >Feasibility Experimental Investigation of Steam/Methane Floodingin a Heavy Oil Reservoir
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Feasibility Experimental Investigation of Steam/Methane Floodingin a Heavy Oil Reservoir

机译：稠油油藏蒸汽/甲烷驱油的可行性实验研究

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摘要

The application of steam injection in different forms ofrnprocesses is widely used for thermal heavy oil recovery.rnSeveral studies have been carried out to evaluate the effectrnof injecting steam with gaseous additives such as, Hexane,rnNitrogen, Carbon Dioxide, Propane and air. However therernis very little literature about addition of methane or naturalrngas to steam in order to improve steam injection process.rnThis experimental study, investigates the effect of methanernas an additive to steam. A consolidated core sample of anrnIranian carbonate heavy oil reservoir (12°API) was used.rnThe experiments involved injecting steam with methane inrnvarious methane/steam ratios ranging from 0:100 to 10:100rnat reservoir conditions pressure and fluid saturations.rnSuperheated steam was injected at 1200 psi which is higherrnthan reservoir pressure at datum depth. Oil production rates,rnpressure drops and methane/steam ratios were measured torncompare the effect of methane on oil recovery and otherrnparameters at various fluid injection rates as well as steamrntemperatures.rnWith optimum methane/steam ratio it was noticed that oilrnproduction is accelerated, steam injectivity is increased andrnalso recovery is higher when compared to injection of purernsteam.
机译：蒸汽注入在不同形式的过程中的应用已广泛用于热重油的采收。进行了多项研究，以评价注入气体添加剂如己烷，氮气，二氧化碳，丙烷和空气的效果。然而，关于将甲烷或天然气添加到蒸汽中以改善蒸汽注入过程的文献很少。本实验研究研究了甲烷添加剂对蒸汽的作用。使用了伊朗碳酸盐岩稠油油藏（12°API）的固结岩心样品.rnn实验涉及以甲烷的形式注入蒸汽，甲烷/蒸汽比在储层条件压力和流体饱和度为0：100至10：100时变化.rn在1200 psi时高于基准深度的储层压力。测量了产油率，压降和甲烷/蒸汽比，以比较在各种流体注入速率和蒸汽温度下甲烷对采油率和其他参数的影响。在最佳甲烷/蒸汽比的情况下，注意到提速了产油，蒸汽注入与注射纯蒸汽相比，回收率提高，回收率也更高。

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