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Products > Oilfield Chemicals
Pasty Sulfonated Asphalt for Oilfield Drilling
1. Property
Its a proven extensively used drilling fluid additive with many fine properties. Oil asphalt is basal raw material. It appears brown in paste. Its density is 0.98g/cm3. Its partly water soluble partly oil soluble for every kind of drilling fluid. Our company is the first manufacturer in China.
2. Quality Indexes
Items |
Indexes |
Appearance |
Black brown paste |
Water soluble content % |
≥90.0 |
Sodium sulfonate content % |
≥4.0 |
HTHP. FL (ml/30min) |
≤65.0 |
Apparent Viscosity (mPa.s) |
≤16.0 |
Moisture % |
≤16.0 |
3. Use
They can emulsify fresh water or sea water with oil, depress the dispersion of drill chips, control HTHP FL, produces thin and tenacious mud cakes, helps maintain low shearing rate under HTHP, cleans and stabilizes well holes that have a great deal of collapsing shale.
● Stabilize shale stratum
● Reduce rotative torque and prevent jamming
● Substitute of oil, including crude oil, waste engine oil and diesel oil
● Depress the solid expansion of drill chips
● Produce thin and tenacious mud cakes
Recommended quantity to be added: 1-4%
4. Storage & Package
25KG or 50LB net in one iron barrel or plastic barrel. During transport and storage, keep it away from sunshine and rain.