关于统一蒸汽注入外流控制装置的流量阻力特征的实验研究
Qiuying Du1, Mingzhong Li1, Chenwei Liu1
1School of Petroleum Engineering, China University of Petroleum, Qingdao, China.
Frontiers in chemistry
|November 29, 2023
概括
多点蒸汽注入采用流量控制装置,在水平井中实现平衡重油回收. 这项研究建立了一种可靠的方法来计算这些设备中的压力下降.
科学领域:
- 石油工程是石油工程中的一个.
- 流体力学 流体力学 流体力学
背景情况:
- 在水平井中提取重型石油面临的挑战是蒸汽分布不均.
- 多点蒸汽注入与流量控制装置的目的是平衡蒸汽吸入配置文件.
研究的目的:
- 为了研究蒸汽-液体双相流在下孔流量控制装置中的压力下降特征.
- 建立一种可靠的方法来计算出流控制装置 (OCD) 的压力下降.
主要方法:
- 采用稳定状态实验来测量下孔工具中的压力损失.
- 经过测试,具有不同蒸汽-液体成分的均蒸汽注入.
- 分析了影响复杂可变质量流的压力下降的因素.
主要成果:
- 在OCD中,溢流压力下降可通过光圈,蒸汽干燥度和流体流量进行调节.
- 在OCD中开发了单相和蒸汽液体双相流电阻的计算方法.
- 实验和理论结果显示了可接受的误差幅度.
结论:
- 开发的压力下降计算方法对重油水平井中的OCD可靠.
- 优化OCD参数允许有效控制蒸汽注入配置文件.
- 这项技术提高了重油回收的效率.
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