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US 11,306,556 B2Granted
Freeing stuck subterranean service tools
AssigneeChevron U.S.A. Inc.
InventorPaul Aaron Price
Life of this patent
Estimating the term…
Abstract
An assembly disposed within a subterranean wellbore can include a first dislodging tool coupled to a bottom end of a tubing string, wherein the first dislodging tool, when enabled at a first time, performs a first action to free at least one service tool, disposed below the first dislodging tool in the subterranean wellbore, from being stuck.
Claims17
An assembly disposed within a subterranean wellbore, the assembly comprising:
- a reverse circulating tool coupled to a service tool disposed below the reverse circulating tool, wherein the service tool comprises a gravel pack or frac pack that slides within a packer, and wherein the reverse circulating tool is configured, when enabled at a first time, to direct fluid from an annulus through a reversing port into a tubing string thereby permitting a flow of the fluid to free the service tool from being stuck;
- a jarring tool coupled to the reverse circulating tool and disposed above the reverse circulating tool, the jarring tool configured, when enabled at a second time, to cause a top portion of the jarring tool to slide against a bottom portion of the jarring tool thereby imparting a jarring force to the at least one service tool;
- and
- a disconnect tool comprising a top disconnect portion and a bottom disconnect portion, the top disconnect portion coupled to the tubing string and the bottom disconnect portion coupled to the jarring tool, the disconnect tool configured, when enabled at a third time, to cause the top disconnect portion to separate from the bottom disconnect portion.
1 more element
Dependencies are inferred from the claim text.