Y221-114型封隔器在水平井验串的应用

摘要

本文对Y221-114型封隔器在水平井验串的应用进行了探讨，实践证明，使用Y221-114封隔器试压，可有效避免封隔器胶筒坏或某处套管变形导致封隔器密封不严。%This article describes the application of Y221-114 packer in horizontal well testing.The practices indicate that it can prevent the rubber tube from failure or distortion that lead to sealing lax in pressure test.