滑套是一种流体控制工具，可以通过钢丝作业控制内滑套实现开关功能，从而沟通产层。三处弹性爪锁紧槽可让滑套处于全开、平衡或全关三种状态，当滑套在全开与全关位 置转换时，内滑套上的平衡孔可以平衡油管与油套环空之间压力差。

通过滑套可以实现油管与油套环空的连通。在一根油管管柱中可以下入多个滑套，这些滑套能够通过一趟钢丝作业实现全开或全关，也可以根据需要选择性的开关某一滑套。

循环滑套的压缩强度、拉伸强度与抗内压强度均不低于N80级别的油管，也有强度不 低于P110级别的滑套。

主要特性

◎ 非橡胶密封；

◎ 密封面光洁度高；

◎ 滑套循环/生产的过流面积与油管截面积相同；

◎ 循环滑套开启/关闭转换后处于静密封状态；

◎ 三处弹性爪锁紧槽；

◎ 内滑套上的平衡孔可以平衡较高的压力差。

主要优点

◎ 开关可靠；

◎ 平衡压差蕞高可达7500PSI；

◎ 即使滑套外部充满砂石，内滑套依然可以顺利开启、关闭；

◎ 单管柱中可下入多个循环滑套；

◎ 滑套能够通过一趟钢丝作业实现全开或全关，也可以根据需要选择性的开关某一滑套；

◎ 内滑套可重复多次开启、关闭。

应用

◎ 单管分层开采    ◎ 循环压井    ◎ 二次开采    ◎ 封隔器上部洗井

SLIDING SLEEVE

INTRODUCTION

Sliding Sleeve is a fluid control tool. The switch function can be controlled by slickline operation. Therefore, the payzones are communicated. Sliding sleeve can be in the state of full opening, equilibration or closing by three- position elastomeric clip lock groove. When sliding sleeve switch is in the state of full opening or full closing, the differential pressure between tubing and tubing and casing annulus can be balanced through the equilibrium orifice of inner sliding sleeve. It can be selectively switched for certain sliding sleeve depending on requirements.

The collapse strength, tensile strength and burst strength of circulation sleeve are equal to or greater than that of N80 tubing. Some model sliding sleeve is also available, which strength is equal to or greater than that of P110 tubing.

FEATURES

◎ Non-elastomeric seals;

◎ High polished seal surface;

◎ The flowing area of circulation sleeve / production is the same as that of tubing section.

◎ Circulation sleeve is in the state of stillness seal after opening / closing switch;

◎ Three-position elastomeric clip lock groove;

◎ High differential pressure can be balanced through the equilibration orifice of inner sleeve

Note: Other specification products are available