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US 2014/0178155 A1Published application
Riser auxiliary line jumper system for rotating control device
AssigneeWeatherford/Lamb, Inc.
InventorGuy F. FEASEY
Life of this patent
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Abstract
A method for deploying a marine riser includes: assembling a rotating control device (RCD) spool with the marine riser; lowering the RCD spool through a rotary table of a drilling rig and into a moonpool of an offshore drilling unit; connecting a hose to an upper and lower adapter of the RCD spool in the moonpool; and lowering the RCD spool and the connected hose through the moonpool.
Claims19
A method for deploying a marine riser, comprising:
- assembling a rotating control device (RCD) spool with the marine riser;
- lowering the RCD spool through a rotary table of a drilling rig and into a moonpool of an offshore drilling unit;
- connecting a hose to an upper and lower adapter of the RCD spool in the moonpool;
- and
- lowering the RCD spool and the connected hose through the moonpool.
2 more elements
A jumper system for assembling a marine riser, comprising:
- a rotating control device (RCD) spool, comprising:
- an RCD housing;
- an upper adapter connected to the RCD housing and having a hose nipple;
- and
- a lower adapter connected to the RCD housing and having a hose nipple;
- and
- a jumper spool, comprising:
- a hose;
- an upper latch connected to the hose and operable to engage the upper adapter nipple;
- and
- a lower latch connected to the hose and operable to engage the lower adapter nipple.
8 more elements
Dependencies are inferred from the claim text.