目的研究原油售价、原油采收率及采油速度等因素对油藏注蒸汽热采极限油汽比的影响。
Purpose to find the impact of some factors, such as crude sales price, crude recovery rate, production rate and etc.
结果随着原油售价、原油采收率、采油速度的提高，经济极限油汽比降低。
Result OSR economic limits decrease with the increase of oil sales price, recovery rate and production rate.
国外36个蒸汽驱现场试验结果统计规律表明，蒸汽驱油汽比不仅与地质参数有关，而且与注汽速度密切相关。
The statistics of 36 oilfield steam drive pilot test results show that the oil-steam ratio depends on not only the reservoir parameters, but also the steam injection rate.
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