高温高压塔河稠油溶解天然气规律研究
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摘要
为了探索高温高压条件下天然气在塔河稠油中的溶解规律,采用高温高压PVT分析技术,开展了不同温度和压力下塔河稠油溶解天然气实验研究,得出了稠油中天然气溶解度、溶气密度以及溶气黏度与相关影响因素的变化规律,分析了规律变化的内在原因,为塔河油田稠油注天然气开采现场试验提供了理论基础。
In order to explore the dissolving law of natural gas in Tahe heavy oil under high temperature and high pressure, through adopting the high temperature and high pressure PVT barrel analyzing technology, the experimental studies on dissolving natural gas in Tahe heavy oil under different temperatures and pressures were conducted, and the change laws between the natural gas solubility in heavy oil, density of heavy oil dissolving gas, viscosity of heavy oil dissolving gas and related influence factors were obtained, and the internal reasons for the change laws were analyzed, which could provide a theoretical basis for field test of injecting natural gas in Tahe heavy oil oilfield.
In order to explore the dissolving law of natural gas in Tahe heavy oil under high temperature and high pressure, through adopting the high temperature and high pressure PVT barrel analyzing technology, the experimental studies on dissolving natural gas in Tahe heavy oil under different temperatures and pressures were conducted, and the change laws between the natural gas solubility in heavy oil, density of heavy oil dissolving gas, viscosity of heavy oil dissolving gas and related influence factors were obtained, and the internal reasons for the change laws were analyzed, which could provide a theoretical basis for field test of injecting natural gas in Tahe heavy oil oilfield.
引文
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[2]马清杰,闫娥,蒲万芬,等.塔河托甫台区块注天然气与CO2提高采收率实验研究[J].科学技术与工程,2017,17(8):14-20.
[3]胡蓉蓉,姚军,孙致学,等.塔河油田缝洞型碳酸盐岩油藏注气驱油提高采收率机理研究[J].西安石油大学学报(自然科学版),2015,30(2):8-9.
[4]姜涛,肖林鹏,杨明强,等.超深层稠油油藏注天然气吞吐开发矿场试验[J].大庆石油地质与开发,2008,27(5):101-104.
[5]王建海,李娣,曾文广,等.塔河缝洞型油藏氮气+二氧化碳吞吐先导试验[J].大庆石油地质与开发,2015,34(6):110-113.
[6]李兆敏,王勇,李宾飞,等.烟道气在超稠油中的溶解特性[J].特种油气藏,2010,17(5):84-86.
[7]张超,李兆敏,王弘宇,等.烟道气在风城稠油油藏中的溶解特性研究[J].西安石油大学学报(自然科学版),2013,28(6):90-94.
[8]李兆敏,陶磊,张凯,等.CO2在超稠油中的溶解特性实验[J].中国石油大学学报(自然科学版),2008,32(5):92-96.
[9]李亮.CO2在孤岛稠油中的溶解性质分析[J].大庆石油地质与开发,2017,36(1):134-137.
[10]夏炳焕.天然气在原油中的溶解性及溶气原油流变性研究[D].青岛:中国石油大学,2010.
[11]刘沺,杨飞,李传宪,等.饱和溶气原油溶解度与黏度预测模型的建立[J].天然气与石油,2017,35(4):12-20.