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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-LV1 |
PAC-LV2 |
PAC-HVT |
PAC-HV1 |
PAC-HV2 |
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Degree of Substitution (D.S) |
≥0.90 |
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pH Value |
6.5-9.0 |
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Purity (%) |
≥65.0 |
≥75.0 |
≥95.0 |
≥98.0 |
≥75.0 |
≥95.0 |
≥98.0 |
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Loss on Drying (%) |
≤10.0 |
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Performance Specifications
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Apparent Viscosity (cps) |
≤20 |
≤20 |
≤40 |
≤30 |
≥35 |
≥50 |
≥60 |
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Fluid Loss
(ml) |
≤16 |
≤13 |
≤12 |
≤11 |
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≤23 |
≤18 |
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Remarks |
The performance testing as per API 13I |
2、HV-CMC&LV-CMC
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Specifications |
Performance Specifications |
Physical and Chemical specifications |
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Items |
Technical Data |
D.S |
PH |
Purity (%) |
Loss on Drying(%) |
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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(m3/t) |
≥200 |
≥150 |
≥160 |
≥0.80 |
6.5-8.0 |
≥95.0 |
≤10 |
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LV-CMC |
Fluid Loss: 10ml |
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 for HV-CMC as per OCMA Spec.DFCP-7, and LV-CMC as per OCMA Spec.DFCP-2 |
| 3、CMC-HVT & CMC-LVT |
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Type
Specifications |
CMC-HVT |
CMC-LVT |
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Solution viscosity
Fann 600 rpm |
In distilled water |
≥30 |
≤90 |
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In salt water |
≥30 |
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In saturated Salt water |
≥30 |
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Fluid Loss (ml) |
≤10.0 |
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Remarks |
The performance testing as per API 13 A | | |
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