蒸汽辅助重力排水
石油工程
溶解
过程(计算)
沥青
工艺工程
组分(热力学)
计算机科学
排水
蒸汽注入
环境科学
工程类
油砂
材料科学
化学工程
物理
操作系统
复合材料
热力学
生物
生态学
摘要
Abstract In the recent years several SAGD projects have been initiated for the recovery of heavy oil and bitumen. Every operator is coming across new learning almost every day, although most of this information is proprietary. This paper presents a general discussion, supported by simulation and analytical results, on the different aspects of improving the performance of SAGD operations. The first component is the well bore design, which has to match with the gravity drainage rate. Operating pressure plays a significant role in the rate of recovery. Lower operating pressure reduces the SOR, lower H2S production, may reduce the silica dissolution, thereby, reduce the water treatment issues. However, low pressure operation increases the challenges of lifting the fluid to the surface. Steam additives may be the other option to increase the energy efficiency of the process.
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