Quick-kill workover proves effective in Libya

A quick-kill method improved workover operations in Messla field in Libya.Since mid-2003, Arabian Gulf Oil Co. (AGOCO) has used this method for killing wells during more than 60 workovers. The method has reduced the time and costs required for working over wells, and in addition the wells resumed production in less time after the workover.For the natural flowing wells in the field, a few swab runs restored production after the workover, while wells with electric submersible pumps (ESPs) cleaned up smoothly.To date, the method has not caused any accident or operational problems.Conventional workoversThe reservoirs in the AGOCO-operated Sarir Main, North, and L fields, and Messla field do n...

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