WELL COMMANDER
Ball-activated drilling circulating valve
Place lost circulation and wellbore strengthening materials with an alternate circulation path.
Rumaila Field
Southeastern Iraq
Application
Directional drilling
Section
12 1/4 in
Interval length
4,706 ft [1,435 m]
Lithology
Hard interbedded carbonates
Rumaila Operating Organization (ROO) planned a directional well across the Rus and Hartha Formations in Iraq. These highly interbedded and hard carbonate formations historically induce severe vibrations, causing bit damage and requiring from two to five bits to drill the 12 1/4-in section.
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