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The Effect of Green Algae as Natural Polymer in Enhanced Oil Recovery Processes

机译：绿藻作为天然聚合物在强化采油过程中的作用

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Polymer flooding as an Enhanced Oil Recovery (EOR) is used to shut off excess water in producing wells by controlling mobility ratio through water flooding and increasing sweep efficiency of reservoir oil during flooding. Today partial hydrolyzed polyacrylamide (HPAM) is the only known polymer that is used in order to decrease water/oil mobility ratio at world oil reservoirs. But salinity has a draw back on HP AM during flooding and reduces their helpfulness; it is believed most polymers will be decomposed in high temperature and so miss their applicability. So reservoirs with temperature higher than 300°F should usually be avoided for using HP AM because it loses their viscosity property at that temperature .hi this study we investigated the green algae as natural polymer to increase water viscosity. Our studies show that although the viscosity property of algae solution is less than HP AM solution, but as a natural polymer has a good ability against high salinity up to 200000 ppm and high temperature up to 200 ° C, and it is very economically sound for EOR process.
机译：聚合物驱作为增强油采收率（EOR）技术，可通过注水控制流度比并提高驱油过程中的储层扫油效率，来关闭生产井中的多余水。如今，部分水解的聚丙烯酰胺（HPAM）是唯一已知的用于降低世界油库中水/油迁移率的聚合物。但是盐度会在洪水期间降低HP AM，并降低其有用性。据信大多数聚合物将在高温下分解，因此错过了它们的适用性。因此，通常应避免使用温度高于300°F的储层使用HP AM，因为它在该温度下会失去其粘性。在本研究中，我们研究了绿藻作为天然聚合物来增加水的粘度。我们的研究表明，虽然藻类溶液的粘度特性不如HP AM溶液，但作为天然聚合物，它对高盐分（高达200000 ppm）和高温（高达200°C）具有良好的抵抗能力，并且对于EOR过程。

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