Well barrier and release device for use in drilling operations
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United States of America Patent
Stats
-
Sep 13, 2022
Grant Date -
Sep 17, 2020
app pub date -
Feb 25, 2020
filing date -
Mar 12, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A well barrier plug and disconnect system for use during drilling operations in wellbore environments. The system comprises of a liner hanger, valve, and a drilling assembly coupled to a liner hanger running tool. The system is used to performing drilling operations in downhole wellbore environments with high risk of uncontrollable losses, cavernous zones, karst formations, or well control issues. In the event the well is on uncontrollable losses or a well control issue occurs, the liner hanger can be set into the downhole wellbore casing and a valve connected below the liner hanger can be closed creating a barrier plug in the well. Further disconnecting the liner hanger running tool from the liner hanger, valve, and drilling assembly allows retrieval of the upper drilling assembly section from the well.
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