Upload time ：2022/3/16 22:15:18
Introduction of modified asphalt products with shale inhibitor for drilling fluid
The product implementation standard: SY / T 5665-95
Table 1. Physical and chemical performance indexes
Fineness (0.9mm sieve allowance) %
Sulfonate content %
Drying loss %
Table 2 Performance indexes of drilling fluid
Base mud + 4%FT341
Base mud + 4%FT342
Apparent viscosity mpa.s
Plastic viscosity mpa.s
HTHP filter loss, ml
Filter loss, ml
Use: This product is asphalt shale inhibitor, can control mud shale hydration expansion and dispersion, block formation pores and cracks, prevent the formation collapse, at the same time has better reduce high temperature and high pressure water loss and improve the lubrication of drilling fluid, good compatibility with other treatment agents, can be used for water-based drilling fluid, general amount is 1%~3%.This product can be directly added to drilling fluid, to ensure uniform dispersion, need to control the adding speed.
Packaging, storage and transportation: this product is lined with plastic bag, each bag net mass of 25kg.Store in a cool, ventilated and dry place.Prevent sun exposure and rain in transportation.