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PAC&CMC for Oil Drilling |
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PAC&CMC for Oil Drilling
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The Specifications Sheet for PAC and CMC Oil Drilling Grade |
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1: Polyanionic Cellulose (PAC) |
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Type
Specifications |
PAC-LVT1 |
PAC-LVT2 |
PAC-HVT |
PAC-LV1 |
PAC-LV-G
Granulated Product |
PAC-LV2 |
PAC-HV1 |
PAC-HV-G
Granulated Product |
PAC-HV2 |
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Degree of Substitution |
≥0.90 |
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pH |
6.5-9.0 |
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Purity (%) |
≥65.0 |
≥75.0 |
≥75.0 |
≥95.0 |
≥98.0 |
≥95.0 |
≥98.0 |
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Moisture (%) |
≤10.0 (≤12.0 For Granulated Product) |
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Particle Size (Passing through 40 Mesh) (%) |
—— |
≤50 |
—— |
≤50 |
—— |
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Performance Test |
Apparent Viscosity (CPS) |
≤20 |
≤20 |
≥35 |
≤40 |
≤30 |
≥50 |
≥60 |
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Fluid loss (ml) |
≤16 |
≤14 |
≤26 |
≤12 |
≤12 |
≤23 |
≤20 |
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Remarks |
Performances test as per API 13I methods |
2、HV-CMC&LV-CMC
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Specifications |
Performance Test |
Physics and Chemistry Test |
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Item |
Specifications |
Degree of Substitution |
pH |
Purity (%) |
Moisture (%) |
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In Distilled Water |
In Salt Water |
In Saturated Salt Water |
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Base Mud |
Fluid Loss (ml) |
60±10 |
90±10 |
100±10 |
--- |
--- |
--- |
--- |
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Apparent Viscosity (CPS) |
≤6 |
≤6 |
≤10 |
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pH |
8.0±1.0 |
8.0±1.0 |
7.5±1.0 |
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HV-CMC |
Yield of 15 CPS (m3/t) |
≥200 |
≥150 |
≥160 |
≥0.80 |
6.5-8.0 |
≥95.0 |
≤10 |
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LV-CMC |
Fluid Loss:10.0ml |
Addition (g/l) |
-- |
≤7.0 |
≤10.0 |
7.0-9.0 |
≥80.0 |
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Apparent Viscosity (CPS) |
-- |
≤4.0 |
≤6.0 |
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Remarks |
The performance test of HV-CMC as per OCMA DFCP-7 methods. The performance test of LV-CMC as per OCMA DFCP-2 methods. |
| 3、CMC-HVT & CMC-LVT |
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Type
Specifications |
CMC-HVT |
CMC-LVT |
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Viscometer dial reading at 600r/min |
In distilled water |
≥30 |
≤90 |
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In 40g/L salt water |
≥30 |
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In saturated salt water |
≥30 |
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Fluid Loss (ml) |
≤10.0 |
≤10.0 |
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Remarks |
Conform to API Spec.13A test methods | | |
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