Tenaris demonstrates dopeless technology in Ghana

Offshore staff

TAKORADI, Ghana – Tenaris recently presented its dopeless technology – dry, multi-functional coating – at the Baker Hughes facilities in Takoradi.

The trial featured two 5 ½-in. 20# NK-95 13Cr pup joints with TenarisHydril Blue Dopeless connections and two 9 ⅝-in. 47# L80 pup joints with the same premium connection technology.

During the event, the connections in casing and tubing sizes were assembled and disassembled up to eight times, proving the technology’s consistent performance to withstand multiple make-and-breaks with enhanced galling resistance and frictional consistency. Attendees observed how the coating withstands these operations without the need to apply thread compounds.

“The more dope you use, the more contamination you bring to the well and the environment. With dopeless technology, all dope-associated hazard is eliminated,” said Daniel Martey, senior petroleum engineer from Ghana National Petroleum Corp.

“It would be better if everybody switched to connections with Dopeless technology. I am going to advise my drilling manager,” said Mubarak Ismaeel, drilling engineer from Hess Corp.

During a second stage, the connections were exposed to drilling mud contamination, without degradation of the dopeless coating.

Amaja Oilfield Ltd., Tenaris’s partner in the country since 2010, assisted with the activities at their Training Center and helped with logistics.


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