Study of additives in oil sands recovery processes

油砂回收过程中添加剂的研究

• 批准号: 518143-2017
• 负责人: Chen, Zhangxing
• 金额: $ 13.62万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=696617
• 关键词: Study; additives; oil; sands; recovery

The steam assisted gravity drainage (SAGD) process has proven to be the most promising technology for the commercial in-situ recovery of heavy oil and bitumen in Alberta, Canada. In thick reservoirs, the SAGD process can recover over 50% of the original oil in place (OOIP), with a steam-oil ratio (SOR) of 2.5 to 4.0. But for thin reservoirs that are less than 15 m, partially depleted and have low oil saturation, the SOR can be much higher. The higher the SOR, the more costly the recovery. SAGD is capital intensive, is water (steam) dependent, and is not sustainable at the current low oil prices. The governments of Alberta and Canada have a mandate to lead the world in greenhouse gas (GHG) reduction and be a world supplier of energy from our oil and gas holdings. To meet these competing demands, the petroleum industry is seeking to understand reservoir dynamics with the intention to tackle challenges associated with oil and gas production while reducing costs. This project seeks to use solvent additives to the SAGD process to reduce the water used, decrease the GHG emissions and decrease production costs while creating a viable prospect to apply steam and solvents in the field.

蒸汽辅助重力泄油（SAGD）工艺已被证明是最有前途的技术 加拿大阿尔伯塔省重油和沥青的商业原位回收。在厚层油藏中，SAGD 该工艺可回收 50% 以上的原始地质储量 (OOIP)，汽油比 (SOR) 为 2.5 至 4.0。 但对于小于15 m、部分枯竭、含油饱和度较低的薄层油藏，SOR可 高得多。 SOR 越高，恢复成本就越高。 SAGD是资本密集型的​​，是水（蒸汽） 依赖，并且在目前的低油价下是不可持续的。艾伯塔省和加拿大政府 引领世界减少温室气体 (GHG) 并成为世界石油能源供应商的使命 和天然气持有量。为了满足这些相互竞争的需求，石油工业正在寻求了解油藏 旨在解决与石油和天然气生产相关的挑战，同时降低成本。 该项目寻求在 SAGD 工艺中使用溶剂添加剂，以减少用水量，减少温室气体排放 排放并降低生产成本，同时创造在蒸汽和溶剂中应用的可行前景 场地。