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随着油田水平井开发的日益增多,水平井酸化、压裂改造施工越来越多,在水平井储层改造方面主要存在漏失严重、层间距离较长、酸岩反映较快、不能达到均匀布酸等问题,造成近井地带及部分低压、高渗层段酸化破坏严重,层全面改造困难等问题日益突出。水平井相态转换酸分层酸化技术在地层内实现相态转换,提高酸化施工效果,该工艺技术同时实现了一次施工,单层多级推进,重复酸化功能,以及多层均匀布酸,分层酸化的施工目的。为解决水平井储层改造寻找到新的途径。
With the increasing development of horizontal wells in horizontal wells, more and more horizontal wells are being acidified and fractured, and there are mainly serious losses in horizontal well reconstruction, long distance between layers, rapid reflection of acid rocks, and inability to achieve uniform Cloth acid and other issues, resulting in near-well zone and part of the low-pressure, high permeability section of the acidification of serious damage, the difficulties of comprehensive transformation layer and other issues have become increasingly prominent. The horizontal well phase-to-phase conversion acid stratification and acidizing technology can realize the phase transition in the formation and improve the acidizing construction effect. The process technology realizes the primary construction, single-layer multi-stage propulsion, repeated acidification function, Layer acidification construction purposes. To solve the horizontal well reservoir reconstruction to find a new way.