unidirectional pressure sealant for drilling fluid
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It is a kind of greyish yellow powder made of many kinds of natural fiber, filling particles and additives at the appropriate proportion, if you add this products when drilling, with the effect of uniaxial pressure, it has good efficacity of forming sealing, it can be used expediently, good compatibility, and it doesn't impact the capability of the mud
Unidirectional pressure sealant for drilling fluid is suitable for all conditions of micro-fracture and stratum leakage filtrarion. This products have good compatibility, can be used with all drilling fluid and competition fluid of different system and different density, sealing the leakage effectively, and it can improve the quality of the mud-cake, reduce water loss.
Recommendatory dosage: 4%