A preliminary swab test to characterise wellbore and reservoir status was performed as part of the programme to re-enter and flow test the upper Leadville reservoir in the Jesse-1A well.

The swabbing returned unexpected strong reservoir gas flows with high helium concentrations to surface resulting in high pressure gas blow requiring venting through the flare stack.

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Grand Gulf Energy Limited published this content on 10 December 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 10 December 2023 22:17:50 UTC.