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US 10,683,934 B2Granted
Rolling annular seal
AssigneeCameron International Corporation
InventorNicolas Arteaga
Life of this patent
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Abstract
Sealing assemblies with rolling annular seals are provided. In one embodiment, an apparatus includes a stuffing box having a rolling seal positioned in a body for sealing against a tubing or wireline cable received in a bore of the body. The rolling seal can rotate within the body to roll along the tubing or wireline cable in response to movement of the tubing or wireline cable through the body and friction between the rolling seal and the tubing or wireline cable. Additional systems, devices, and methods are also disclosed.
Claims9
An apparatus comprising:
- a stuffing box including:
- a body with a bore for receiving a tubing or wireline cable;
- and
- a rolling seal positioned in a seal groove in the body along the bore to seal against the tubing or wireline cable, wherein the rolling seal and the body are arranged to allow the rolling seal to rotate within the body so as to roll along the tubing or wireline cable in response to movement of the tubing or wireline cable through the body and friction between the rolling seal and the tubing or wireline cable;
- wherein the body includes first and second body members coupled together, the bore extends through each of the first and second body members, and the seal groove in which the rolling seal is positioned includes a first seal groove portion formed in the first body member and a second seal groove portion formed in the second body member;
- and
- wherein the second body member includes a cap fastened to the first body member.
4 more elements
An apparatus comprising:
- a stuffing box including:
- a housing having a bore to receive a cable or tubing;
- and
- an inverting seal positioned within the housing along the bore to seal against the cable or tubing, wherein the inverting seal is an annular seal that turns inside out in response to dragging movement of the cable or tubing through the housing along an inner surface of the annular seal while the annular seal is held at an axial position along the bore
- wherein the housing includes a removable cap coupled to a main housing body and the bore extends through each of the removable cap and the main hosing body;
- wherein the inverting seal is disposed within a seal groove defined by the removable cap and the main housing body.
3 more elements
Dependencies are inferred from the claim text.