Another Positive Inspection Result for the DUO Connection
586 lengths of 4 1/2″ 16.6 lbs/ft S135 400 DUO range 2 drill pipe and 100 lengths of 4 1/2″ 400 DUO heavyweight were inspected with 12 ends (<1%) needing machine shop repairs. This remains consistent with past inspection results on all sizes of the DUO connection family currently being used. Follow the link below […]
DUO Continues to Provide Low Cost of Ownership

Recently an inspection was performed on a string of custom built 4 3/4″ drill pipe with 480 DUO connections. The results of the inspection are highlighted in this summary report. Follow the links below for the 4 3/4″ drill pipe spec sheet and the DUO Brochure. Spec Sheet DUO Brochure […]
Record well drilled using 480 DUO drill string

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DUO Field Testing

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