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Global Certificate: ISO 9001:2016
The main functions of drilling foam include providing hydrostatic pressure to prevent formation fluids from entering into the well bore, keeping the drill bit cool and clean during drilling, carrying out drill cuttings, and suspending the drill cuttings while drilling is paused and when the drilling assembly is brought in and out of the hole. The drilling foam used for a particular job is selected to avoid formation damage and to limit corrosion.