Number

Drilling fluid

AV/mPa·s

PV/mPa·s

YP/Pa

FL/ml

Filter loss rate/%

Density g/cm³

0#

Base pulp

11.0

6.5

4.6

26.0

—

1.03

1#

0.3%YL-102 + 1%YL-103Base pulp

12.8

11.5

4.0

21.7

16.5

1.04

2#

0.3%YL-102 + 2%YL-103Base pulp

13.1

12.0

3.5

16.8

35.4

1.05

3#

0.3%xy-27 + 0.3%FA-367Base pulp

22.3

15.0

6.8

15.7

39.6

1.06

4#

0.4%YL-102 + 1%YL-103Base pulp

16.8

11.5

2.7

16.2

37.7

1.06

5#

0.4%YL-102 + 2%YL-103Base pulp

13.9

12.5

4.0

15.6

40.0

1.06

6#

0.4%YL-102 + 3%YL-103Base pulp

15.2

13.0

6.3

17.4

33.1

1.06

7#

0.5%YL-102 + 1%YL-103Base pulp

14.4

13.5

1.2

18.9

27.3

1.06

8#

0.5%YL-102 + 2%YL-103Base pulp

15.0

12.0

2.1

17.8

31.5

1.06

9#

0.5%YL-102 + 3%YL-103Base pulp

16.2

12.5

5.5

22.6

13.1

1.06