致密砂岩静态渗吸实验研究

doi:10.3969/j.issn.1672-6952.2017.03.006

辽宁石油化工大学学报 ›› 2017, Vol. 37 ›› Issue (3): 24-29.DOI: 10.3969/j.issn.1672-6952.2017.03.006

致密砂岩静态渗吸实验研究

吴润桐¹,杨胜来¹,王敉邦¹,吕道平²,寇根²

1.中国石油大学(北京)石油工程教育部重点实验室,北京102249;
2.新疆油田公司实验检测院,新疆克拉玛依834000

收稿日期:2016-09-02 修回日期:2016-11-15 出版日期:2017-07-20 发布日期:2017-06-30
作者简介:吴润桐(1992-),男,硕士研究生,从事油藏渗流机理方面的研究;E-mail:445076197@qq.com。
基金资助:
国家973项目(2015CB250904);国家自然科学基金项目(51574257)

Experimental Study on Static Imbibition of Tight Sandstone

Wu Runtong¹,Yang Shenglai¹,Wang Mibang¹,Lyu Daoping¹,Kou Gen²

1.Key Laboratory of Education Ministry for Petroleum Engineering,China University of Petroleum (Beijing),Beijing 102249, China;
2.Research Institute of Experiment Testing,Xinjiang Oil field Company,Karamay Xinjiang 834000,China

Received:2016-09-02 Revised:2016-11-15 Published:2017-07-20 Online:2017-06-30

摘要/Abstract

摘要： 为了研究致密油岩心的渗吸作用、机理及影响因素,建立了致密岩心渗吸实验装置,进行了致密砂岩岩心油水渗吸实验,研究了温度、压力和表面活性剂等因素对致密岩心油水渗吸效果的影响,分析了渗吸效率随时间变化曲线、曲线特征点及渗吸影响因素,得到了致密砂岩岩心渗吸规律及特征。结果表明,渗吸作用主要发生在基质岩心的表层,温度对渗吸的第二个阶段有较大的影响。单面致密油岩心油水渗吸效率在10%左右,地层条件下油水渗吸效率在25%左右。

关键词: 致密油, , 渗吸实验, , 渗吸机理, , 实验装置, , 渗吸效率

Abstract:

In order to research on the impact of imbibition effects, mechanisms and the correlation factors of the tight oil cores, the experimental devices of tight core imbibiton were established. The experiments of oil-water imbibition of tight sandstone were carried out. The effects of temperature, pressure and surfactant on the oil-water imbibition in compacted core were studied. The curves of imbibition efficiency versus time, characteristic points of curve and the influential factor of imbibition were analyzed. The imbibition law and characteristics of tight sandstone core were obtained. The results showed that the effect of imbibition was mainly occurred on the surface layer of the tight oil core. The temperature had a large effect on the second stage of imbibition. The oilwater imbibiton efficiency of the single tight oil core is about 10%, which is about 25% under the formation conditions.

Key words: Tight oil, , Imbibition experiment, , Imbibition mechanisms, , Experimental device, , Imbibition efficiency

吴润桐,杨胜来,王敉邦,吕道平,寇根. 致密砂岩静态渗吸实验研究[J]. 辽宁石油化工大学学报, 2017, 37(3): 24-29.

Wu Runtong,Yang Shenglai,Wang Mibang,Lyu Daoping,Kou Gen. Experimental Study on Static Imbibition of Tight Sandstone[J]. Journal of Liaoning Petrochemical University, 2017, 37(3): 24-29.

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致密砂岩静态渗吸实验研究

Experimental Study on Static Imbibition of Tight Sandstone

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