Huan Wang
China
Research Article
The Research of Gas Flooding of Horizontal Well with SRV in Tight Oil Reservoir
Author(s): Xiaoliang Zhao, Xinwei Liao and Huan WangXiaoliang Zhao, Xinwei Liao and Huan Wang
The characteristics of tight oil reservoir are low porosity and ultra-low permeability, thus stimulated reservoir volume (SRV) should be conducted whether applying the mode of vertical wells or horizontal wells production. Tight oil reservoir is mostly developed by natural depletion or water flooding recently, but the problems are existed, including low recovery factor with natural depletion and the difficulty of water injection. To further improve the development effect of tight oil reservoir, CO2 flooding is proposed. Based on changing tight oil reservoir in Ordos Basin, an oil sample of typical block is selected. The PVT experiments are conducted. The compositional numerical model of five-spot pattern is established with a horizontal well in the middle and 4 vertical wells on the edge. Based on the model, several CO2 flooding scenarios of horizontal well with different completion m.. View More»
DOI:
10.4172/2157-7463.1000197