IP Library Granted Patent US 7,246,666
Granted Patent B2
US 7,246,666 · App. 11/465,331 · Granted Jul 24, 2007

Mounts for blowout preventer bonnets

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Quick Facts
Patent No.
US 7,246,666
App. No.
11/465,331
Granted
Jul 24, 2007
Kind
B2
Abstract

A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one support member and adapted to move substantially normal to a face of the body of the blowout preventer, wherein the bonnet is coupled to the bonnet mounting member.

Claims (21)

1. A method to access a ram of a blowout preventer, the method comprising:

disengaging a bonnet from a sealing engagement with a body of the blowout preventer;

rolling the bonnet away from the body of the blowout preventer along a track in a direction substantially normal to a face of the body of the blowout preventer;

rotating the bonnet with respect to the body of the blowout preventer about a second axis; and

accessing the ram.

2. The method of claim 1 , wherein:

the bonnet comprises at least one bonnet mounting member coupled to the track; and

the at least one bonnet mounting member provides wheels to facilitate the rolling of the bonnet away from the body of the blowout preventer.

3. The method of claim 1 , wherein the second axis intersects the track.

4. A method to access a ram of a blowout preventer, the method comprising:

disengaging a bonnet from a sealing engagement with a body of the blowout preventer;

sliding the bonnet away from the body of the blowout preventer along at least one support member;

rotating the bonnet and the at least one support member with respect to the body of the blowout preventer; and

accessing the ram.

5. A mount to support a bonnet of a blowout preventer, the mount comprising:

at least one support member coupled to a body of the blowout preventer;

a bonnet mounting member moveably coupled to the at least one support member and adapted to move along an axis of the at least one support member;

wherein the bonnet is coupled to the bonnet mounting member;

wherein the at least one support member and the bonnet are configured to rotate in a substantially horizontal plane about a second axis.

6. The mount of claim 5 , wherein the at least one support member is a track and the bonnet mounting member comprises wheels.

7. The mount of claim 5 , wherein the second axis intersects the axis of the at least one support member.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 5, 2008
From: HYDRIL LLC
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 021050/0491 →
MERGER Recorded Mar 28, 2008
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 020718/0733 →
CHANGE OF NAME Recorded Mar 28, 2008
From: HYDRIL GENERAL LLC
To: HYDRIL LLC
Reel/Frame 020718/0758 →