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US 9,850,734 B2Granted
Plug for installation in a well
AssigneePlugtech AS
InventorGustav Wee
Life of this patent
Estimating the term…
Abstract
A plug for installation in a well, comprising a housing (2) that carries at least two discs (3, 4) of a brittle material that can be fractured by mechanical forces and with a core between the discs (3, 4). The core comprises particulate material in compact form.
Claims6
A plug for installation in a well, the plug comprising:
- a housing;
- at least two discs carried by the housing and comprising a brittle material that can be fractured by mechanical forces;
- a core disposed between the at least two discs and comprising a particulate material that is not soluble in water or hydrocarbons, wherein particles of the particulate material are packed to an extent that the particles are not allowed to move in relation to each other as long as the at least two discs are intact;
- and
- a trigger device with a point that is set up to break up at least one disc of the at least two discs by penetrating into the at least one disc, wherein the trigger device comprises a screw that is set up to rotate during the penetrating into the at least one disc.
2 more elements
Dependencies are inferred from the claim text.