Products

    Drilling fluid used zwitter-ion strong coating agent FA-367

    (1)Physical and chemical performance index:

    testing method
    index
    moisture, %, ≤
    9.0
    weight of screen residue(0.9mm), %, ≤
    15.0
    performance viscosity(1%aqueous solution), Mpa.s,≥
    30.0
    PH range
    7.5-9.0

    (2)Drilling fluid index:

    testing method
    performance viscosity, mPa.s
    plasticity viscosity, mPa.s
    loss tolerance, ml
     
    index
    index
    index
    4% bentonite fresh water basic mud
    8-10
    3-5
    22-26
    adding 2.0g/L sample product in 4% bentonite fresh water basic mud ,
    ≥25
    ≥8
    ≤15
    15%bentonite compound brine basic mud
    4-6
    2-4
    52-58
    adding 7.0g/L sample product in 15%bentonite compound brine basic mud
    ≥15
    ≥10
    ≤10

    (3) specific resistance index:

    testing method
    index
    —
    specific resistance
    FIA-367(0.3% aqueous solution), Ω.m
    4.0≤ρ＜8.0
    FIA-368(0.3% aqueous solution), Ω.m
    8.0≤ρ≤18.0



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