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为了进一步提高小井眼井的开发效果,对于钻遇在低渗透储层和产量未达到经济开采指标的小井眼油井,需要进行压裂改造。吐哈油田公司开展了89 mm套管小井眼压裂工艺技术研究,完成了Y341-70型封隔器的研制和改进,配套了井下工艺管柱,优化了压裂施工工艺,并完成了6井次现场试验,均顺利完成施工,增液、增油效果良好。
In order to further improve the development effect of the slimhole, it is necessary to carry out the fracturing transformation for the slimhole drilled in the low-permeability reservoirs and for the production of small-borehole wells whose production has not reached the level of economic exploitation. Turpan-Hami Oilfield Co., Ltd. conducted a study on the 89 mm casing slim-hole fracturing technology, completed the development and improvement of the Y341-70 packer, matched the downhole process string, optimized the fracturing construction process, and completed 6 well-site tests, were successfully completed construction, liquid, oil-effective.