Rotating control device having jumper for riser auxiliary line

Patent metadata

Field	Value
Publication number	US-9422776-B2
Application number	US-201514593329-A
Country	US
Kind code	B2
Filing date	Jan 9, 2015
Priority date	Jan 20, 2014
Publication date	Aug 23, 2016
Grant date	Aug 23, 2016

Abstract

A rotating control device housing includes an upper riser flange; a lower riser flange; a latch section for receiving a bearing assembly and connected to the upper riser flange; a port section connected to the latch section by a flanged connection, having an outlet for discharging fluid flow diverted by the bearing assembly, and connected to the lower riser flange; and a jumper connected to the upper and lower riser flanges.

First claim

The invention claimed is:

1. A rotating control device (RCD) housing for use with a riser, comprising:
an upper riser flange connectable to a first riser flange of the riser;
a lower riser flange connectable to a second riser flange of the riser;
a latch section for receiving a bearing assembly;
a first nipple having a tapered outer diameter, the first nipple coupled to the latch section;
a port section connected to the latch section by a flanged connection;
a second nipple having a tapered outer diameter and coupled to the port section and the lower riser flange;
a jumper connected to the upper and lower riser flanges; and
wherein one of the upper or lower riser flanges includes a male coupling extending through an opening formed in the upper or lower riser flange, the male coupling adapted to connect to the jumper and to transfer a fluid therethrough, wherein the male coupling includes a threaded nut disposed therearound for adjusting a penetration depth of the male coupling within a respective female coupling;
wherein the other riser flange of the upper or lower riser flanges includes a female coupling for receiving a respective male coupling therein and for transferring a fluid therethrough, wherein the female coupling includes a seal bore having one or more seals disposed on an internal surface thereof.

2. The rotating control device housing of claim 1 , wherein the female coupling is adapted to couple to the jumper.

3. The rotating control device housing of claim 1 , wherein the nut is adapted to seat against a shoulder formed within the opening of the lower riser flange.

4. The rotating control device housing of claim 2 , wherein the one riser flange includes two male couplings, and wherein the other riser flange includes two female couplings.

5. The rotating control device housing of claim 1 , wherein one of the upper or lower riser flanges has a central bore formed therethrough, at least part of the bore defined by a seal sleeve having one or more seals on an outer surface thereof.

6. The rotating control device housing of claim 5 , wherein the other riser flange of the upper or lower riser flange has a central bore formed therethrough, the central bore of the other riser flange adapted to receive a corresponding seal sleeve.

7. The rotating control device housing of claim 1 , wherein the port section has an outlet for discharging fluid flow diverted by the bearing assembly.

8. The rotating control device housing of claim 1 , further comprising the bearing assembly, comprising:
a stripper seal for receiving and sealing against a tubular;
a bearing for supporting rotation of the stripper seal relative to the RCD housing;
a retainer for connecting the stripper seal to the bearing; and
a catch sleeve for engagement with the latch section.

9. A method for deploying a marine riser, comprising:
assembling the marine riser;
connecting the lower riser flange of the RCD housing of claim 1 to an upper riser flange of the marine riser, wherein connecting the lower riser flange of the RCD housing to the upper riser flange of the marine riser places the jumper in fluid communication with an auxiliary line of the marine riser;
connecting a lower riser flange of another upper marine riser package (UMRP) component to the upper riser flange of the RCD housing; and
lowering the RCD housing through a rotary table and moonpool of an offshore drilling unit by further assembly of the UMRP after placing the jumper in fluid communication with the auxiliary line of the marine riser.

10. The method of claim 9 , wherein the UMRP has a termination ring receiving an upper end of the auxiliary line.

11. The method of claim 9 , further comprising:
landing a diverter mandrel of the UMRP into a diverter housing;
connecting a tensioner to a tensioner ring of the UMRP; and
operating a slip joint of the UMRP to land a pressure control assembly connected to a lower end of the marine riser onto a subsea wellhead.

12. The method of claim 9 , further comprising:
deploying a drill string into a subsea wellbore through the marine riser; and
drilling the subsea wellbore using the drill string.

13. The method of claim 12 , further comprising:
deploying a bearing assembly to the RCD housing,
wherein the bearing assembly engages the drill string and diverts drilling returns from the marine riser to the offshore drilling unit.

14. The method of claim 13 , further comprising retrieving a protector sleeve from the RCD housing before deploying the bearing assembly thereto.

Assignees

• Weatherford Tech Holdings Llc

Inventors

• Wagoner Danny W
• Thomson Gordon

Classifications

• E21B17/01

  Risers · CPC title

• E21B19/08 Primary

  Apparatus for feeding the rods or cables (E21B19/22 takes precedence; automatic feed E21B44/02); Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods · CPC title

• E21B23/04

  operated by fluid means, e.g. actuated by explosion (E21B23/08 takes precedence) · CPC title

• E21B33/085 Primary

  Rotatable packing means, e.g. rotating blow-out preventers · CPC title

• E21B19/004 Primary

  supporting a riser from a drilling or production platform · CPC title