BENTONITE
Name of the Product: Wyoming Bentonite (non treated)
Standards in use: API 13A, Section 5
| 350 ml of distilled water suspension, test results |
| 600 RPM Reading, fann 35 viscometer |
min 30 |
| Filtration volume |
max 12,5 cc |
| Yield |
min 80 bbl |
| Moisture content |
max 10% (by weight) |
| Residue on 200 mesh wet screen analysis |
max 2,5% (by weight) |
| Yield Point Plastic Viscocity ratio (Yp/Pv) |
max 1,5 cp |
| Dispersed Plastic Viscocity |
min 10 cp |
Name of the Product: Drilling Bentonite
Standards in use: API 13A, Section 4
| Physical properties |
| Appearance |
powder |
| Color |
yellow |
| pH (20% Suspension) |
8,8-9,3 |
| Moisture content |
max 10% |
| Residue on 75 micron sieve |
max 3% |
| Suspension properties |
| 600 rpm reading on fann Viscometer |
>30 |
| Yp/Pv |
<3 |
| Filtrate Volume |
<15 cm3 |
|
