The glove of high pressure to an ascending tube high pressure double hole.Method for connecting a glove of high pressure or the hole of the annular space or the production borehole of a rising tube high pressure double hole and the use of a glove of high pressure

摘要

A high pressure sleeve for a dual bore high pressure riser is provided. The high pressure sleeve is arranged for forming a connection between either the annulus bore and the high pressure sleeve, or for forming a connection between the high pressure sleeve and the production bore. The choice of connection is made by rotation of the sleeve.