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首页> 外文会议>SPE Latin American and Caribbean Petroleum Engineering Conference >Surface Facilities Development for Steam Flue Gas Injection in a ColombianHeavy Oil Reservoir
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Surface Facilities Development for Steam Flue Gas Injection in a ColombianHeavy Oil Reservoir

机译：蒸汽烟气注射液中的地表设施开发哥伦比亚的油藏

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Steam injection in heavy oil recovery often reaches the economical limit.Factors such as steam-oil ratio,generation costs,formation injectivity,reservoir pressure and heat losses are critical for the viability ofthese projects.This works presents a workflow to develop a scheme of surface facilities for different fieldconditions,that allows the capture,storage and usage of flue gas generated by steam generators and use itin a steam-flue gas injection process,which is going to mitigate the CO2 emissions,increase oil productionand improve the results of steam injection alone in terms of energy efficiency.The proposed workflow has 4 phases: 1)material balance to estimate the composition of flue gasgenerated based in generator parameters as gas feed,energy capacity and air excess; 2)numerical simulationof the involved processes as combustion,compression and heat exchange to study thermodynamic propertiesof the flue gas generated; 3)integrity analysis for equipment selection; and 4)determination of the mostadequate scheme for flue gas managing according to field requirements.Different case studies for surface facilities development are presented.High initial flue gas temperatures(400°F)and corrosion rates mainly by the presence of CO2 and O2 were identified as critical operationparameters.Since above 140°F corrosion rate gets higher compromising the integrity of the equipment,optimal relation between the gas feed used and an excess of air(15%)might allow a full combustion processdecreasing the CO and hydrocarbons fraction in flue gas stream.Cooler units are required after the gas iscompressed since the temperature raises,H2O separation has to be done after the first cooling process inorder to mitigate the possible formation of carbonic acid on the stream; facilities dimensions are relatedto the capacity of steam generators and availability of flue gas volumes.The development of an adequatescheme of surface facilities requires an analysis of the conditions described before.Considering that eachfield has its own characteristics,the current workflow allows to develop optimal facilities for differentprojects using numerical simulation of multiple processes.The methodology presented allows to determine the adequate facilities for different field conditions,inorder to implement a steam flue gas enhanced oil recovery project that increases production and mitigatesenvironmental impacts.
机译：重油回收中的蒸汽注入往往达到经济的极限。蒸汽油比，生成成本，形成重点，储层压力和热量损失是对该项目的生存至关重要的关键。这作品呈现了开发表面方案的工作流程不同领域的设施，允许蒸汽发生器产生的烟气储存，储存和使用，并使用ITIN蒸汽烟气注入过程，这将减轻二氧化碳排放量，增加石油生产和单独提高蒸汽注射的结果在能效率方面。建议的工作流程有4个阶段：1）材料平衡以估计基于发电机参数的烟气燃气组成作为气体进料，能量和空气过量; 2）涉及过程的数值模拟作为燃烧，压缩和热交换，以研究烟气产生的热力学性质; 3）设备选择的完整性分析; 4）根据现场要求确定烟道气管理的体积计量方案。鉴定了对表面设施开发的平面案例研究。鉴定了高初始烟气温度（400°F）和主要通过CO2和O2的腐蚀速率作为关键操作参数。超过140°F的腐蚀速率损害了140°F以上的腐蚀率高，所用气体进料和过量的空气进料（15％）之间的最佳关系可能允许完全燃烧处理烟气中的共同燃烧过程和碳氢化合物分数。在气体压缩以来，由于温度升高以后，必须在第一个冷却过程之后进行H2O分离，以减轻碳酸在流上的可能形成的情况下，以减轻碳酸的可能性;设施尺寸与蒸汽发生器容量以及烟气量的可用性相关。表面设施的充分化的开发需要分析前所未有的条件。每个域都有自己的特点，目前的工作流程允许开发最佳设施使用多个过程的数值模拟的不同项目。提出的方法允许确定不同现场条件的适当设施，以实现蒸汽烟气增强的储油项目，增加了生产和减轻环境的影响。

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