Verfahren zum abriebfreien Einbau von Steigrohren.

摘要

A method for non-abrasively running tubing comprising suspending the tubing 101 from the face 108 of the uppermost collar 102 of the tubing by resting the face upon a support shoulder 134, making up a new tubular with collar into a tubular unit, attaching a non-abrasive lift unit 110 to a tubular unit, stabbing the new tubular into the upper collar, non-abrasively making the connection tight, and lifting the lift unit to raise the string, the method being appropriately reversed for pulling the string.