关键词: 汽油比, 数值模拟, 蒸汽驱, 历史拟合

Abstract: TheK reservoir is a typical shallow heavy oil reservoir in westChinawith average depth of 240m and belonging to fringe oxygenation heavy oil reseavoir. Aimed at the low sweep efficiency of the injected steam, the deficient heat connect and the bad economic benefit in the producing process ofK reservoir, atypicalwell group was chose for studying. W ith the application of reservoir numerical simulation, a detailed study is done on technique plans which could be applied in K reservoir such as steam flooding, intermittent steam flooding, low quality steam flooding and so on. Combine the economic factorswith the final oil recovery efficiency of every plan 's results, it is recognized that the reasonable plan is intermittent steam flooding. The reasonable steam injection rate is 80-100 m3/d and the injection cycle is sixmonths. Results of the numerical simulation should be consulted in the reservoir exploitation.

Key words: steam oil ratio, numerical simulation, steam flooding, historymatching