Controlling transient pressure conditions in a wellbore

Details Controlling transient pressure conditions in a wellbore Controlling transient pressure conditions in a wellbore

E - Fixed Constructions

21

B

E21B 43/11 (2006.01)

Patent

CA 2512480

A method and apparatus for use in a wellbore includes running a tool string to an interval of the wellbore, and activating a first component in the tool string to create a transient underbalance pressure condition in the wellbore interval. Additionally, a second component in the tool string is activated to create a transient overbalance pressure condition in the wellbore interval, or vice versa.

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