Telephone：manager zhang：13582118730
Manager Liu：13832190992
manager zhang：13643300636
mailbox：huayunhongye@163.com
website：www.huayunhongye.cn
Address: No. 39 Xingze Road, South District, Shenze Economic Development Zone, Hebei Province
The unidirectional pressure sealing agent DF-1 for drilling fluid is suitable for the filtration of porous micro fractured formations in different situations during drilling. The good compatibility of this product is suitable for different systems densities of drilling completion fluids, achieving effective sealing of micro crack leakage, improving mud cake quality, reducing water loss. The recommended dosage for this product is 4%.
Physical chemical properties: Appearance: Grey white powder, fineness: 40 mesh, water content: ≤ 14%, pH value: 7-9.
Mud performance: project base mud
Base slurry+4% 801
Density, g/cm3: 1.03 ≤ 1.03
Apparent viscosity, mPa. s: 7-10 ≤ 11
Plastic viscosity, mPa. s: 6-9 ≤ 10
API water loss, ml: 15-17 ≤ 10
Closed filtration loss, ml/30min
Total loss ≤ 50
