First, the use of products
Is with the production of chemical reaction and carboxymethyl cellulose anion groups of water soluble cellulose polymers. The products through in the surface of clay particles in drilling fluid formed adsorption solvation layer to improve the system of the coalescence stability; protective effect of fine clay particles by hindering the fine clay particles bond becomes larger; by increasing the filtrate viscosity and pore blocking effect to reduce the permeability of the mud cake. The prepared slurry fluid has good performance in reducing water loss, inhibition and high temperature resistance. In all water based drilling fluid, it is easy to disperse, and it can be applied to the drilling fluid from fresh water until saturation salt water drilling fluid. In the low solid and non solid drilling fluid, it can significantly reduce the filtration loss and reduce the thickness of the mud cake, and has a strong inhibitory effect on the hydration of shale. Widely used in oil well drilling, especially in brine well and offshore oil drilling.

Two, technical requirements

 

Project	Index
Appearance	Free flowing powder or particles
Starch or starch derivatives	Nothing
Water content，%	≤10.0
Apparent viscosity，（mPa•s）	≥50
API filter loss, mL	≤23.0

Three, the use of methods
General increase in the amount of 0.5% ~ 3%, the scene can be adjusted according to the actual situation.

Four, storage and transportation
The 1 products are stored in a dry and ventilated place, avoid direct sunlight and rain, away from fire.
2 transport and handling should be light light unloading, packaging to prevent breakage. Transport should be covered.

Five, matters needing attention
1 PAC soluble in water with a certain viscosity, such as the dissolution of the method will cause a larger group, affecting the normal use. The correct method of dissolution: first into a container add appropriate amount of water, to stir stick fast stirring slowly and evenly dispersed to join the PAC powder, and after and stir for a while, pay attention to try not to enable them to form a large mass, and after half an hour and stir for a while. Wait until the water completely infiltrated PAC powder, and then stir evenly. If you want to speed up the solution: use warm water or hot water to dissolve; use a high speed mixer.
2. In the process of using, the staff shall wear labor protection supplies, to wear a dust mask, to prevent the product gets into eyes or come into contact with the skin, once the occurrence of the above phenomenon, immediately wash with plenty of water, in serious cases, timely medical treatment.