Special Report: New dry connections eliminate need for pipe dope during drilling

Dry surface coatings for connections of OCTG have been developed that eliminate the need for thread compound.There are many good reasons to reduce or eliminate the use of pipe dope. Environmental regulators seek to do so because it often contains heavy metals, which are discharged to the environment. Some of the compound is also squeezed into the wellbore during pipe make-up and contaminates or clogs the wellbore and can interfere with mechanical devices. Pipe dope creates a messy, slippery, and potentially hazardous work environment on the drill floor and requires extra handling operations and storage.Thread compounds extend the pressure integrity of tubular connections, provide lubricat...

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