Study of additives in oil sands recovery processes

蒸汽辅助重力泄油（SAGD）工艺已被证明是最有前途的技术， 在加拿大的阿尔伯塔进行重油和沥青的商业现场回收。在厚油层中，SAGD 该工艺可以回收超过50%的原始石油地质储量（OOIP），汽油比（SOR）为2.5至4.0。 但对于小于15 m、部分衰竭且含油饱和度低的薄储层，SOR可以 远高于SOR越高，回收成本越高。SAGD是资本密集型的，是水（蒸汽） 这是不可持续的，在目前的低油价。阿尔伯塔和加拿大政府有一个 我们的使命是在减少温室气体（GHG）方面引领世界，并成为世界石油能源供应商 和天然气储备为了满足这些相互竞争的需求，石油工业正在寻求了解储层 动态，旨在应对与石油和天然气生产相关的挑战，同时降低成本。 该项目旨在将溶剂添加剂用于SAGD工艺，以减少用水量，减少温室气体排放 排放量和降低生产成本，同时创造了一个可行的前景，应用蒸汽和溶剂在 领域

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.