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Improving Steam Huff-puff Effect of Superheavy Oil by Using Fleeing Proof Agent and Intensifier System

Cuo Donghong~1 Zhang Feiyu~2 Cui Xiaodong~1 Xin Haochuan~1 Zheng Xiaobo~1 (1.Oilfield Chemistry Department,Research Institute of Petroleum Exploration & Development, PetroChina,Beijing 100083;2.CNPC Drilling Research Institute,Beijing 100097)  
Aimed at the characteristics of high huff-puff order of turns and the bad huff-puff effect of superheavy oil wells in Liaohe Oilfield,an oil recovery technology for improving steam huff-puff effect of superheavy oil by using fleeing proof agent and intensifier system was proposed.The field test results showed that the oil recovery technology could obviously raise periodic mass production,periodic oil production and oil/steam ratio for steam huff-puff of superheavy oil by addition of fleeing proof agent and intensifier system.This technology was feasible for improving steam huff-puff effect of superheavy oil technologically and economically as well.
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