水平井分段压裂扩张式裸眼封隔器的研制及现场应用
Petrochemical Industry Technology(2022)
Abstract
分段压裂是顺北井区高产的必要手段,针对顺北油田裸眼酸压完井过程中封隔器容易发生老化、钢带断裂等问题,研制了一种胶筒为扩张式且长度达到1500mm,耐温180℃,耐压80MPa的可分级控制的裸眼封隔器,可以实现多个封隔器串联使用,经过现场应用评价,该款封隔器可有效的分隔油套环空及储集体,实现分段的目的,目前已在顺北油田进行推广应用.
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