do not wait until your drilling is sealed off, maintain it as any industrial tool!
We can propose you contracts
Various patents in the field of the regeneration of the drillings are in the course of deposit in France.
The financial balance sheet of a drilling has to remain optimal except, as soon as it gets dirty you begin to lose some money and in the worst as the phenomenon of sealing is not progressive but rough, you can lose everything.
The average cost of a regeneration is about 5000 €