特种油气藏2012，Vol.19Issue(3)：111-113,3.DOI:10.3969/j.issn.1006-6535.2012.03.029
稠油油藏尿素辅助蒸汽驱油数值模拟研究
Numerical simulation on urea-assisted steam flooding for heavy oil reservoir
摘要
Abstract
In the late life of cyclic steam stimulation for ultra-heavy oil reservoirs in the Biqian 10 block of Henan oilfield, reservoir pressure is low, water recovery rate is low, and interwell remaining oil is abundant. Based on the mechanism of urea-assisted steam flooding, urea is added into steam to improve steam flooding effect. A urea decomposition model is established through physical simulation to derive the kinetic parameters of decomposition reaction; and a numerical model of urea-assisted steam flooding is established to analyze oil displacement mechanism. The results of numerical simulation show that urea-assisted steam flooding is an effective way of enhancing heavy oil recovery after multiple cycles of steam stimulation, can further improve the recovery factor by 6. 8%.关键词
稠油/尿素/数值模拟/蒸汽驱机理/河南油田泌浅10块Key words
heavy oil/ urea/ numerical model/ steam flooding mechanism/ Biqian 10 block of Henan oilfield分类
能源科技引用本文复制引用
任韶然,牛保伦,王冠杰,杨兆臣,赖年..稠油油藏尿素辅助蒸汽驱油数值模拟研究[J].特种油气藏,2012,19(3):111-113,3.基金项目
山东省泰山学者建设工程基金(TSXZ2006-15) （TSXZ2006-15）
中石化河南油田“泌浅10断块热化学驱井网及注采参数优化研究”(G0503-09-ZS-035) （G0503-09-ZS-035）
