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【英文篇名】 The effects of temperature and acid number of crude oil on the wettability of acid volcanic reservoir rock from the Hailar Oilfi eld
【下载频次】 ★
【英文作者】 Xie Quan1; He Shunli1 and Pu Wanfeng2 1 Key Laboratory of Petroleum Engineering; Ministry of Education; China University of Petroleum; Beijing 102249; China 2 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation; Southwest Petroleum University; Chengdu; Sichuan 610500; China;
【文献出处】 Petroleum Science , 石油科学(英文版), 编辑部邮箱 2010年 01期
期刊荣誉：ASPT来源刊 CJFD收录刊
【英文关键词】 Acid volcanic reservoir rock; Amott wettability index; wetting angle; temperature; acid number; wettability;
【摘要】 Wettability of acid volcanic reservoir rock from the Hailar Oilfi eld,China,was studied with crude oils of different acid numbers generated from an original crude oil with an acid number of 3.05 mg KOH/g. The modif ied oils and their resultant acid numbers were:A(2.09 mg KOH/g) ,B(0.75 mg KOH/g) ,C(0.47 mg KOH/g) ,D(0.30 mg KOH/g) ,and E(0.18 mg KOH/g) . Contact angles and improved Amott water indexes were measured to study the effects of temperature and acid number on the wettability of the acid volcanic r...
【英文摘要】 Wettability of acid volcanic reservoir rock from the Hailar Oilfi eld,China,was studied with crude oils of different acid numbers generated from an original crude oil with an acid number of 3.05 mg KOH/g. The modif ied oils and their resultant acid numbers were:A(2.09 mg KOH/g) ,B(0.75 mg KOH/g) ,C(0.47 mg KOH/g) ,D(0.30 mg KOH/g) ,and E(0.18 mg KOH/g) . Contact angles and improved Amott water indexes were measured to study the effects of temperature and acid number on the wettability of the acid volcanic r...
【更新日期】 2010-03-22
【分类号】 P618.13
【正文快照】 1 Introduction The reason why oil recovery from volcanic reservoirs world-wide is believed to be less than 30% of the initial oil in place is that most of the volcanic reservoir rocks are neutral to preferential oil-wet, which makes water ? ooding less ef