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准噶尔盆地彩9井区中侏罗统西山窑组为低孔特低渗砂岩油藏,目前已进入高含水低产低能阶段,即将面临废弃停产的严峻局面。对彩9井区西山窑组特低渗油藏渗流特征及剩余油分布规律进行了研究,提出在油井井间剩余油富集带加密注水井以缩小注采井距、提高注采井数比以提高动用程度的调整方案,方案在先导试验井组实施并取得成功,为后续油藏全面调整开发提供技术思路。
The Xishanyao Formation of the Middle Jurassic in the Cai 9 well block in the Junggar Basin is a low-porosity and ultra-low permeability sandstone reservoir. It has entered a phase of high water, low production and low energy and will soon face the severe situation of abandoned production. The seepage characteristics and residual oil distribution of Xishanyao Group ultra-low permeability reservoir in Cai 9 well are studied. It is proposed that the residual oil enrichment zone should be equipped with an encrypted water injection well to narrow the injection well spacing and improve the well ratio In order to improve the degree of utilization of the adjustment program, the program in pilot pilot well group and the successful implementation of follow-up reservoir to fully adjust the development of technology to provide technical ideas.