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Feasibility Study of Utilizing Hydraulic Turbines to Recover Excess Power from Water Injection Systems

机译:利用液压涡轮机来恢复水注射系统多余功率的可行性研究

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This paper will outline the results of a field feasibility study to utilize hydraulic turbine applications for power recovery in water injection systems. The working principle of hydraulic turbine includes recovering excessive and unutilized energy in liquid flow systems. This is achieved through converting unexploited injection system pressure to electrical power generated by rotating turbines. The powered water injection systems are often restricted to meet injection targets as part of the reservoir injection strategy to support oil production. Pressure losses in powered water injection systems take place at surface chokes that regulate injection target rates. Expected pressure losses in an injection flowline was determined through the analysis of frictional and gravitational pressure losses. The injection pump performance curves were also factored in as part of this rigorous evaluation. The feasibility study has been conducted with flexibility in mind to account for future changes in reservoir injection/production strategies. Field-A candidates were explored and vetted to ascertain the achievability of applying this innovative power recovery concept on existing injection systems. A systematic candidate selection roadmap was established. The objective of this conceptual roadmap is to provide a means for conducting the primary assessment of candidate injection systems in Field-A. Several suitable injection systems were selected after a prudent evaluation of possible power recovery turbines candidates in Field-A. The expected power saving realized from applying hydraulic turbines was quantified in terms of net present value and return on investment. The economic impact from converting this pressure to power a hydraulic turbine was established, bearing in mind: 1. The initial capital investment. 2. Payback period. 3. The projected inflation rate. 4. The equivalent gas sales required to generate this power.
机译:本文将概述现场可行性研究的结果,利用水管注射系统中的液压涡轮机应用。液压涡轮机的工作原理包括在液体流动系统中恢复过度和未利用的能量。这是通过将未批准的注射系统压力转换为通过旋转涡轮机产生的电力来实现的。供电的水注入系统通常仅限于满足注射目标,作为储层注射策略的一部分,以支持石油生产。动力注水系统中的压力损失在调节注射目标速率的表面窒息处进行。通过分析摩擦和重力压力损失来确定注射流线中的预期压力损失。作为该严格评估的一部分,还考虑了注射泵性能曲线。可行性研究是以灵活性进行的,以便在将来的水库注入/生产策略变化中进行占据。探索和审核候选人,以确定在现有注射系统上应用这种创新电力恢复概念的可实现性。建立了系统候选选择路线图。这种概念路线图的目的是提供用于对现场-A中候选注射系统进行主要评估的手段。在谨慎的评估之后选择几种合适的注射系统在现场-A中的可能的电力回收涡轮机候选。在净现值和投资回报方面,量化了从施加液压涡轮机实现的预期省电。建立了将这种压力转换为动力液压涡轮机的经济影响:1。初始资本投资。 2.投资回收期。 3.预计的通货膨胀率。 4.产生这种功率所需的等效气体销售。

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