Offshore Operation Facilities

PART V Coiled Tubing Technology and Equipment

Coiled tubing equipment is hydraulically driven workover equipment, and there are two kinds: truck-mounted and the skid-mounted. This can replace common workover equipment and the wire rope workover rig to complete some of the workover operations, including completion and rope work, and are more and more widely used in offshore fields. Coiled tubing technology involves coiled tubing twisted on a drum that can be continuously withdrawn or lowered from the well without connecting thread. The coiled tubing is made of high-strength, low-alloy materials, which first is rolled straight and then welded together. Its length is designed according to specific needs, generally its inner and outside diameter respectively ...