
Product name: Emulsified asphalt
Product code: YL-80
Role category:
This product can also inhibit the hydration expansion of mud shale, seal mud shale microcracks, prevent the collapse of unstable strata, improve the quality of mud cake, and improve the lubricity of drilling fluid.
Product Classification:
Key features:
High content of asphalt active substance, strong sealing ability, can effectively seal mud shale pores and micro cracks; good water dispersion. It can be evenly dispersed in the drilling fluid without solid floaters.
Key features:
It is an emulsion composed of petroleum asphalt, emulsifier and other synthetic asphalt emulsion and polyacrylate emulsion synthesized by acrylonitrile (liquid), acrylic acid (liquid), ammonium persulfate, etc.
Additions: 1%-3%。
Appearance |
Brownish-black colloid |
Softening point (evaporation residue), °C | Typel50-70; Typell70-90; Typell190-120 |
Water dispersibility |
Uniformly dispersed, no floating solids | Oil solubility rate, % | Typel≥95; Typell≥75; Typelli≥70 |
Colloid stability, % | ≥95 |
Median particle size, um |
|
Solid phase content, % | ≥55 |
Relative inhibition |
≤0.6 |