Mud ( Drilling Fluids ) Codes



1

Air or Gas

2

Aerated

10

Calcium Treated

11

Caustic ( High pH )

20

Gel

21

Gyp

30

Invert Oil Emulsion

31

Lime

32

Low pH

40

Mist or Foam

50

Natural

60

Oil Base

61

Oil Emulsion

62

Organic

63

Organic Treated

70

Phosphate

71

Polymer

72

Potash

80

Salt Water

81

Salt Water - Lignosulfonate

82

Salt-Polymer

90

Water

99

Miscellaneous