塔河油田碳酸盐岩储层放空漏失现象的研究与应用
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摘要
通过塔河油田碳酸盐岩储层在钻完井、修井作业过程中发现大的放空漏失这一现象,进一步加深了对塔河油田缝洞型油藏的认识。从地震、地质、油藏、工程及开采等多方面综合研究分析认为,对于钻遇严重放空漏失的油井应提前完钻,以及放空漏失井不宜进行酸化增产、进行上返酸压时需采用控缝高技术、进行注水替油效果不好、进行污水回灌效果较好等。并且根据上述认识,为油田开发提出了合理建议。
This paper mainly studies the Ordovician carbonate fracture and hole in Tahe oilfield through deeply understanding on this phenomenon of leakage and short drilling and the 100 meters or more serious leakage short encountered and operational measures identified.For such kinds of wells,the various measures such as workover,acidizing and fracturing,water shutoff and injection are taken fully of use.A good effect has been gotten in oilfield development,which can provide a solid technical support for the exploration and development of Tahe oilfield.
引文
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