摘要
研究了带隔板底水油藏油井的射孔井段确定问题,并提出了最佳射开程度的确定方法。在底水油藏存在的诸多隔板中,凡是临界产量高、油井产量也高的隔板应予以保护和利用;临界产量高、油井产量低或临界产量低、油井产量高的隔板可以射开。按照隔板分布进行射孔的油井不仅产量高,而且见水时间大大延迟。带有隔板的底水油藏,不仅具有天然能量相对充足的优点,同时也克服了无隔板底水油藏无水采油期短的缺点。
Determination of perforation intervals and optimal shot density of wells in bottom-water reservoirs with barriers is studied and presented.The study shows that barriers with both high critical rates and high production rates existed in bottom-water reservoirs are generally protected or retained,while those with high critical rates and low production rates or low critical rates and high production rates should be perforated.The wells perforated by distribution of the barriers appear in higher production rates and postpone the breakthrough time of bottom-water on a large scale.Bottom-water reservoirs with barriers display abundant natural drive energy in development and overcome the drawbacks of short water-free oil production period in bottom-water reservoirs without barriers.
出处
《新疆石油地质》
CAS
CSCD
2004年第2期199-201,共3页
Xinjiang Petroleum Geology
关键词
底水油藏
射孔井段
隔板
油井
临界产量
bottom-water reservoir
production rate
perforation interval
barrier
