GFT-1

Modified asphalt drilling fluid shale inhibitor (GFT-1)

 

Project		Index
Appearance		Black powder
Fineness (mesh 0.90mm by volume),%		≤10
Sulfonate content，%		13.0～28.0
Drying wet weight,%		≤10
The value of pH		8～10
Basal plasma +2%FT342	The apparent viscosity,mpa˙s	≤12
	Plastic viscosity,mpa˙s	≤8
	The high temperature and high pressure filtration,mL	≤70
	Filtration,mL	≤14