Low Profile Rotating Control Device
First Claim
Patent Images
1. Method for inspecting an annular blowout preventer seal in a housing, comprising the steps of:
- removing a bearing assembly having an inner member and an outer member from an opening in said housing, wherein one of said members is rotatable relative to the other said member and one of said members having passage; and
removing an annular blowout preventer seal from said housing through said housing opening after the step of removing the bearing assembly.
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Accused Products
Abstract
A system and method is provided for a law profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The LP-RCD and LP-RCD housing can fit within a limited space available on drilling rigs.
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Citations
20 Claims
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1. Method for inspecting an annular blowout preventer seal in a housing, comprising the steps of:
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removing a bearing assembly having an inner member and an outer member from an opening in said housing, wherein one of said members is rotatable relative to the other said member and one of said members having passage; and removing an annular blowout preventer seal from said housing through said housing opening after the step of removing the bearing assembly. - View Dependent Claims (2, 3, 4, 5, 6, 10, 11)
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7. Method for inspecting an annular blowout preventer seal in a housing, comprising the steps of:
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removing a bearing assembly having an inner member and an outer member from an opening in said housing, wherein one of said members is rotatable relative to the other said member and one of said members having passage; and removing an annular blowout preventer seal from said housing through said housing opening after the step of removing the bearing assembly, wherein after the step of removing the bearing assembly said housing provides a full bore access to said annular blowout preventer seal. - View Dependent Claims (8, 9)
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12. Method for inspecting an annular blowout preventer seal in a housing, comprising the steps of:
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removing a bearing assembly having an inner member and an outer member from an opening in said housing, wherein one of said members is rotatable relative to the other said member and one of said members having passage; removing a containment member for said annular blowout preventer seal through said housing opening after the step of removing the bearing assembly; and removing an annular blowout preventer seal from said housing through said housing opening after the step of removing said containment member. - View Dependent Claims (13, 14, 15, 16)
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17. A rotating control apparatus, comprising:
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an outer member having a longitudinal axis; an inner member rotatably disposed with said outer member along said longitudinal axis; a seal rotatably supported from one of said members along said longitudinal axis; an annular blowout preventer seal disposed below said rotatably supported seal and along said longitudinal axis; and an integral housing configured to receive a portion of said inner member and said outer member, said rotatably supported seal and said annular blowout preventer seal, said housing having a port not aligned with said longitudinal axis while communicating with said rotatably supported seal and said annular blowout preventer seal. - View Dependent Claims (18, 19, 20)
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Specification