Large-diameter completion string saves time on landing and intervention operations

Early subsea wells used API drill pipe, which was available on the rig, to land production tubing and completion equipment from the surface vessel to the subsea wellhead. As total depths approached 30,000 ft, pressures increased beyond the capacity of standard API drill pipe and rotary-shouldered co...

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Bibliographic Details
Published in:World Oil 2017-08, Vol.238 (8), p.43
Main Authors: Plessis, Guillaume, Muradov, Andrei, rester, Stephen, Brock, Jim, Sanclemente, Leianne
Format: Magazinearticle
Language:English
Subjects:
Capacity
Cost control
Design
Drill pipe
Drills
Engineering
Engineers
Marketing
Metals
Petroleum engineering
Product management
Trees
Tubes
Tubing
Wellheads
Yield stress
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Summary:Early subsea wells used API drill pipe, which was available on the rig, to land production tubing and completion equipment from the surface vessel to the subsea wellhead. As total depths approached 30,000 ft, pressures increased beyond the capacity of standard API drill pipe and rotary-shouldered connections with gas-tight, metal-to-metal seals. This led to the development of dedicated completion tubulars, starting in the early 2000s, but further improvements were still possible.
ISSN:0043-8790