CONNECTOR FOR AN EXPANDABLE TUBING STRING.

摘要

A CONNECTOR FOR INTERCONNECTING A PAIR OF ADJACENT SECTIONS (8 AND 9) OF AN EXPANDABLE TUBING STRING COMPRISES A PLASTICALLY EXPANDABLE SLEEVE (6) THAT IS ARRANGED CO- AXIALLY AROUND OR INSIDE THE ENDS (7) OF THE INTERCONNECTED TUBING SECTIONS (8 AND 9) AND A SERIES OF CIRCUMFERENTIALLY SPACED MECHANICAL FASTENERS (5), SUCH AS SCREWS OR RIVETS, FOR FASTENING THE SLEEVE TO EACH OF SAID ENDS (7).(FIG. 2)