M-I SWACO unveils HT/HP drilling fluid

Offshore staff

AMSTERDAM, the Netherlands – A new water-base drilling fluid for high-pressure /high-temperature drilling is now available from M-I SWACO.

The new fluid, ENVIROTHERM NT, can be used in temperatures to 450ºF (232ºC) and at weights to 19 ppg (2.3 g/cu cm), says M-I SWACO. The fluid also is stable when contaminated with soluble calcium salt and acid gas.

As a water-base mud, it also is environmentally friendly.


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