EnduraWell Cement Class G HSR
Class G Grade HSR Well Cement is manufactured locally to comply with the requirements of American Petroleum Institute (API) standards (Specification for Cements & Materials for Well Cementing API Spec 10A) and (API Recommended Practice for Testing Well Cement API RP 10B-2).
Use of product
- Hydrocarbon drilling wells.
- Offshore platforms.
Product advantages
- Thickening Times controllable with additives to enable placement to 550º F (287º C).
- Excellent Retarder Response for higher economic benefit in mix design.
- Low Free Fluids for cement integrity and durability.
- High Sulfate Resistance for high durability under harsh conditions.
- Non-Setting for uniformity in the column.
- Consistent Quality for slurry design portability.
Health and safety
The chemical composition of the cement is in full compliance with sanitary epidemiological regimen in terms of harmful substances requiring the quality of the given building material. When working with cement it is necessary to avoid contact with the eyes and skin, do not inhale dust and use appropriate protective clothing, gloves, eyes and face protectors.
Constituents:
| Value | |
|---|---|
| Clinker | ≤ 95% |
| Regulateur de prise | ≤ 95% |
Chemical requirements:
| Value | |
|---|---|
| Sulphate content (SO3) | ≤ 3% |
| Magnesium Oxide content (MgO) | ≤ 6% |
| Loss on ignition | ≤ 3% |
| Isoluble residues (IR) | ≤ 0.75% |
| C3S | 48-65% |
| C3A | ≤ 3% |
| 2*C3A+C4AF | ≤ 24% |
Mechanical requirements:
| Value | |
|---|---|
| Compression strength at 8h | at 30 C 300 psi |
| Compression strength at 8h | at 60 C 1500 psi |
Physical requirements:
| Value | |
|---|---|
| Time to 100Bc (Thickening time) | 90-120 min |
| Consistency after 300min | ≤ 30 Bc |
| Free Fluid | ≤ 5.9 % |
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