Back to results
US 10,378,304 B2Granted
Sub-surface release plug system
AssigneeWeatherford Netherlands, B.V.
InventorMarcel Budde
Life of this patent
Estimating the term…
Abstract
A subsurface release plug system includes a plug mandrel body and a plug. The plug mandrel body includes a bore, a flow port fluidly connected to the bore, and a sleeve adjustable from a first position to a second position. The sleeve prevents fluid flow through the flow port when in the first position and allows fluid flow through the flow port when in the second position. The plug is releasably connected to the plug mandrel body, wherein the plug is configured to be released from the plug mandrel body by fluid flowing through the flow port.
Claims7
A subsurface release plug system comprising:
- a plug mandrel body including:
- a bore;
- a flow port fluidly connected to the bore;
- and
- a sleeve adjustable from a first position to a second position, the sleeve preventing fluid flow through the flow port when in the first position and allowing fluid flow through the flow port when in the second position;
- a plug releasably connected to the plug mandrel body, wherein the plug is configured to be released from the plug mandrel body by fluid flowing through the flow port;
- and
- a detachable insert releasably connected to the plug mandrel body;
- wherein the plug mandrel body further includes a channel and the plug includes a protrusion located within the channel, the channel extending longitudinally along the plug mandrel body and the detachable insert, wherein the protrusion is configured to slide downwardly within the channel after the plug is released from the plug mandrel body.
6 more elements
Dependencies are inferred from the claim text.