Rotating control device
AssigneeFa Solutions AS
InventorKetil FAUGSTAD
Life of this patent
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Abstract
An RCD includes a housing, a seal assembly package, and a seal tube assembly. The seal tube assembly includes a seal tube, a seal, a first bearing, and a second bearing. The seal is coupled between the first and second bearings. The first bearing includes a flow path between the interior of the seal tube and the annular space between the seal and the seal tube. The SAP includes an SAP outer body positioned within the housing and fluidly sealed thereto. The RCD may include a running tool coupled to the SAP having one or more grippers for engaging a tool string passing through the RCD.
Claims35
A rotating control device (RCD) comprising:
- a housing;
- a seal assembly package (SAP), the SAP including:
- an SAP outer body, the SAP outer body forming a fluid seal against the housing;
- and
- a seal tube assembly including:
- a seal tube, the seal tube mechanically coupled to the SAP;
- a seal, the seal being tubular;
- a first bearing mechanically coupled between the seal tube and a first end of the seal;
- and
- a second bearing mechanically coupled between the seal tube and a second end of the seal.
A seal tube assembly comprising:
- a seal tube;
- a seal, the seal being tubular;
- a first bearing mechanically coupled between the seal tube and a first end of the seal;
- and
- a second bearing mechanically coupled between the seal tube and a second end of the seal.
A running tool comprising:
- a running tool body, the running tool body being generally annular;
- an activation ring, the activation ring slidingly coupled to the running tool body, the activation ring having a run in position and a locked position;
- and
- a gripper pivotably coupled to the running tool body, the gripper pivotable from a gripping position when the activation ring is in the run in position and a released position when the activation ring is in the locked position.
Dependencies are inferred from the claim text.