A: from the wild plants native Nan by slicing, drying and crushing, winnowing and.
Features: the appearance of light yellow free flowing powder, liquid water after the formation of high viscoelasticity.
Quality index:

Use: it has good rheology, conducive to borehole stability and carrying drilling cuttings, can significantly improve the drilling speed, reduce the tool wear; obviously broken strata, sandstone formation leakage etc.
Plugging effect; core can form a layer of protective film on the specimen surface, can obtain higher rate of core recovery. This product is a pure natural product, automatic degradation, no pollution to the environment.
Usage: first with a small amount of water and then poured into the wet mud stirring to dissolve in mud dosage: the dosage is 2~3%; formulation of flushing liquid 4~5%.
Packing: plastic woven packing bag, 25kg/ bag.
Storage: should be stored in ventilated and dry warehouse, and the code should be set up from the formation of not less than 20cm high isolation frame, the stacking height of not more than 10 packets, storage period for six months.