检测项目 Test Item | 石油级 Oil Drilling Grade | ||
MHO-80 | |||
感观 Appearance | 类白色或浅米黄色粉末
Off-white or Light Yellow Free Flowing Powder |
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粒度
Particle size, % |
80mesh |
Thru USS #40≥95 Thru USS #200≤50 | |
1% Kcl 溶 液 粘 度 , mPa.s Viscosity(cps) 1% XG in 1% Kcl solution
Brookfield LVDV-Ⅱ+, 3#spindle, 60rpm, 25±1℃ |
≥1200 |
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剪切性能值 Shearing Ratio | ≥6.5 | ||
PH | 6.0-8.0 | ||
灰分 Ash, % | ≤13.0 | ||
丙酮酸 Pyruvic acid, % | ≥1.5 | ||
淀粉及瓜尔豆胶检测
Starch, Guar or their derivatives |
Absent 无 | ||
干燥失重 Loss on Drying, % | ≤13.0 | ||
流变学特性 Rheology Measurement (0.28% XG in sea water, FANN 35A, 0.2 spring) |
600r/min,mPa.s | ≥70.0 | |
300r/min, mPa.s | ≥55.0 | ||
200r/min, mPa.s | ≥45.0 | ||
100r/min, mPa.s | ≥35.0 | ||
6r/min, mPa.s | ≥18.0 | ||
3r/min, mPa.s | ≥16.0 | ||
布氏粘度(mPa.s)
Brookfield LVDV-Ⅱ+, 1#spindle,1.5rpm ,25±1℃ |
≥1950 |