Number

Drilling fluid

AV/mPa∙s

PV/mPa∙s

YP/Pa

FL/ml

0#

Amine-based polymer drilling fluid

38.2

26.3

12.6

3.0

1#

Amine-based polymer drilling fluid + 0.2% CaCl₂

39.0

28.0

13.2

4.1

2#

Amine-based polymer drilling fluid + 0.5% CaCl₂

41.5

31.2

13.5

5.6

3#

Amine-based polymer drilling fluid + 0.8% CaCl₂

43.8

34.2

14.2

6.5

4#

Amine-based polymer drilling fluid + 1.0% CaCl₂

46.2

36.7

16.5

7.2