Sulfonate copolymer filtration reduction agent DSP-2, which is made of acrylamide, acrylic acid, 2-acryloyl oxygen butyl sulfoni

property		specification
appearance		free-flowing
moisture,%		≤ 1 2
residue( 0. 90 mm ), %		≤ 10
pH		9-11
API fluid loss,mL	room temperature	≤ 10
	120 °C /16h	≤ 15

Feature 1.Good viscosity improvement and filtration reduction 2.Effectively improving the mud cake quality, inhibiting clay dispersion, stabilizing the well wall and reducing well diameter enlargement ratio 3.Good thermal stability with resistance to the high temperature reaching 200°C4.Effectively controlling solid content and protecting hydrocarbon reservoir 5.Good compatibility with other treating compounds6.Resistance to salt, calcium and magnesium, applicable to salt water, saturated brine and sea water drilling fluids 

Sulfonate copolymer filtration