Confirm to GB/T5005-2001 API SPEC.13A ISO13500-2001
Indicator |
Viscosity 600r/min data |
Filtration rate (ml) |
Distilled water |
4% salt water |
saturated brine |
OLVT-CMC |
≤90 |
— |
— |
≤10 |
OHVT-CMC |
≥30 |
≥30 |
≥30 |
≤10 |
Confirm to QCMA DFCP-2
Appearance |
Free flow of powder does not agglomerate |
4%Brine Filtration rate is (10ml)h |
LV-CMC g/L |
≤7.0 |
AVmPas |
≤4 |
Saturated Brine Filtration rate is (10ml)h |
LV-CMC g/L |
≤10.0 |
AV mPas |
≤6 |
Confirm to QCMA DFCP-7
Appearance |
Free flow of powder does not agglomerate |
Slurry rateM3/T≥ |
Distilled water |
4%Brine |
saturated brine |
160 |
130 |
140 |
Oil drilling PAC
Indicator |
2ppb |
3ppb |
4ppb |
API loss
(ml) |
YP
(Pa) |
API water loss
(ml) |
YP
(Pa) |
API water loss
(ml) |
YP
(Pa) |
PAC-HV |
≤20 |
≥2.4 |
≤15 |
≥9.6 |
≤10 |
≥19.2 |
PAC-LV |
≤25 |
≥0.5 |
≤15 |
≥0.5 |
≤10 |
≥0.5 |
Features and property
"Power source" CMC preparation of drilling mud, make the sidewall to form a thin caine, low permeability filter cake, reducing the amount of water on loss. |