CAJ | 학술논문

塔里木油田轮古井区奥陶系碳酸盐岩油藏属于缝洞型油藏，油藏非均质性极强，很多单井由于钻遇封闭缝洞体产量迅速递减。注水替油技术可以大幅度恢复停喷或低效油井的产能，是开发缝洞型油藏的有效新方法之一。注水替油的注采参数是否合理对注水替油的开发效果至关重要。以塔里木油田轮古井区注水替油典型井的地质、流体资料为基础，建立单井注水替油的地质模型，通过数值模拟的方法优化注水时机、周期注水量、注水速度、焖井时间、开井工作制度等注采参数，并将注采参数无因次化或拟合公式，以消除注水前油井生产动态差异对优化参数造成的影响，使优化参数更具实用性。
탑리목유전륜고정구오도계탄산염암유장속우봉동형유장，유장비균질성겁강，흔다단정유우찬우봉폐봉동체산량신속체감。주수체유기술가이대폭도회복정분혹저효유정적산능，시개발봉동형유장적유효신방법지일。주수체유적주채삼수시부합리대주수체유적개발효과지관중요。이탑리목유전륜고정구주수체유전형정적지질、류체자료위기출，건립단정주수체유적지질모형，통과수치모의적방법우화주수시궤、주기주수량、주수속도、민정시간、개정공작제도등주채삼수，병장주채삼수무인차화혹의합공식，이소제주수전유정생산동태차이대우화삼수조성적영향，사우화삼수경구실용성。
The ordovician reservoirs in Lungu well area of Tarim Oilfield belong to the fracture-cavity carbonate reservoirs, which are highly non-homogeneous. Single-well oil production declines rapidly because of reservoir energy shortage. Water huff and puff(cyclic water stimulation)is a novel method for the exploitation of the fracture-cavity carbonate reservoir,which can substantially improve single-well productivity. Whether the injection-production parameters of water huff and puff tech-nology are appropriate is essential to the oilfield development. Based on the geological and fluid information of the typical water huff and puff well,the geological model for water huff and puff technology is built to optimize the corresponding factors which include injection timing,cyclic water injection rate,injection speed,soaking time and daily fluid production rate. In this research,the corresponding factors are dimensionless or correspond to fitting formula to eliminate the effects of production performance differences before water injection and make the optimized parameters more effective.