|
|
|
|
|
Pac-R |
|
PAC-R, a high molecular weight polyanionic cellulose, provides filtration control and supplementary viscosity in most water-based drilling fluids. *Applications/Functions: Control filtration rates, Retard shale swelling and disintegration, Provide supplementary viscosity in fresh water, sea water, and brine-based fluids *Advantages: Effective in small concentrations for viscosity and filtration control, Stable at temperatures up to 300'F(149'C), Effective in moderate to high pH systems, Nontoxic, Does not require a bactericide |
|
Appearance: White or tan powder Bulk density, lb/ft3: 40-55 pH (1% aqueous solution): 8 |
|
|
|
|
|
|
|
ÀÌÁ¦Ç°¿¡ ´ëÇØ µî·ÏµÈ ÆǸž÷ü°¡ ¾ø½À´Ï´Ù. |
|
|
|
|
|