Journal of Chemistry / 2015 / Article / Tab 2

Research Article

Polymer Drilling Fluid with Micron-Grade Cenosphere for Deep Coal Seam

Table 2

Basic performance test of drilling fluid.

Density/g·cm−3Hours of aging at 100°CApparent viscosity/cPPlastic viscosity/cPYield point/PaGel strength/PaFilter loss (API)/mL

0.93063 16 24.02 1.00 3.6
1643 16 13.80 1.48

0.86083 27 28.62 0.86 2.8
1670 41 14.82 0.58

0.750122 38 42.67 0.93 2.4
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