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US 10,519,743 B2Granted
Downhole cement flow
AssigneeSchlumberger Technology Corporation
InventorsMalcolm Perschke, James Hall, Robert Olman
Life of this patent
Estimating the term…
Abstract
An assembly includes a ported component that includes a bore, radial passages, and axial passages; and a shifting sleeve that comprises a bore, radial passages, seal bosses and associated seal elements that define at least one sealed region with respect to the radial passages of the ported component and that define an open region with respect to the radial passages of the ported component.
Claims18
An assembly comprising:
- a ported component that comprises a bore, radial passages, and axial passages;
- and
- a shifting sleeve that comprises a bore, radial passages, seal bosses and associated seal elements that define at least one sealed region with respect to the radial passages of the ported component and that define an open region with respect to the radial passages of the ported component.
Dependencies are inferred from the claim text.