|
Project
|
index
|
|||
|
The fresh water drilling fluid
|
Salt water drilling fluid
|
|||
|
Appearance
|
Powder and granular free flowing
|
|||
|
Sieve residue（2mm），%
|
≤5.0
|
|||
|
Loss on drying，%
|
≤10.0
|
|||
|
Ammonium content，%
|
≥7.0
|
|||
|
Residue on ignition，%
|
≤2.0
|
|||
|
The base slurry
|
Filtration，ml
|
25±2.0
|
60±3.0
|
|
|
The apparent viscosity，mPa.s
|
2～6
|
5～7
|
||
|
Polyacrylonitrile by drilling fluid
|
Filtration，ml
|
≤14.0
|
≤30.0
|
|
|
The apparent viscosity，mPa.s
|
≤8.0
|
≤8.0
|
||
