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CG214 Anti-Settling Fluid Loss Additive for Oilwell Cementing
CG214 Fluid Loss Additive is a high-performance Fluid Loss Additive specially designed for oilwell cementing applications requiring excellent fluid loss control, suspension stability, and anti-settling performance.
CG214 is a synthetic polymer cement additive capable of effectively reducing water loss from cement slurry into porous formations during cementing operations. It is particularly suitable for lightweight cement slurry systems and normal density cement slurry systems with strong dispersity.
The product enhances slurry suspension stability, maintains good liquidity, and helps prevent cement particle sedimentation during slurry placement. It also helps control gas migration during cement setting.
Product Name: Anti-Settling Type Fluid Loss Additive
Model: CG214
Keyword: Fluid Loss Additive
Application: Oilwell cement slurry fluid loss control and anti-settling enhancement
1. What Is CG214 Fluid Loss Additive?
CG214 is an advanced Fluid Loss Additive for oilwell cementing used to reduce cement slurry filtration loss under downhole conditions. It is widely applied in cement slurry systems where stable suspension, low free fluid, and reliable fluid loss control are required.
Compared with conventional fluid loss additives, CG214 provides additional anti-settling performance, making it highly suitable for lightweight cement slurry systems and highly dispersed cement systems.
Typical applications include:
- Lightweight cement slurry systems
- Normal density cement slurry systems with strong dispersity
- Offshore cementing slurry systems using seawater
- Cement slurry systems containing calcium chloride (CaCl2)
- Gas migration control cement systems
2. Key Features and Advantages of CG214 Fluid Loss Additive
Excellent Fluid Loss Control Performance
CG214 effectively reduces water filtration from cement slurry into porous formations during cementing operations, improving slurry stability and helping maintain proper slurry properties.
Specially Designed for Lightweight Cement Slurry Systems
The additive is optimized for lightweight cement slurry applications where anti-settling capability and stable suspension performance are critical.
Improves Suspension Stability and Prevents Sedimentation
CG214 enhances suspension stability, maintains slurry homogeneity, and helps prevent cement particle settling during slurry placement and waiting-on-cement period.
Maintains Good Cement Slurry Liquidity
The additive provides effective fluid loss reduction while maintaining good slurry liquidity and dispersity performance.
Helps Control Gas Migration
CG214 helps reduce gas migration risk during cement slurry setting by improving slurry stability and controlling filtration behavior.
Suitable for Multiple Water Systems
CG214 can be used in:
- Fresh water cement slurry systems
- Seawater cement slurry systems
- Cement slurry systems containing 2% CaCl2
Good Compatibility with Other Cementing Additives
CG214 is compatible with various oilwell cementing additives and can be used in combination with retarders, dispersants, defoamers, and other cement slurry additives.
3. Available Types of CG214 Fluid Loss Additive
The CG214 series includes multiple product types to meet different transportation, storage, and field application requirements:
CG214L
Liquid type fluid loss additive
CG214L-A
Anti-freezing liquid type fluid loss additive
CG214S-P
Powder type fluid loss additive
4. Physical and Chemical Properties
| Item | CG214S-P | CG214L / CG214L-A |
| Appearance | White or faint yellow powder | Colorless or faint yellow liquid |
| Density | 0.80 ± 0.20 g/cm³ (Bulk Density) | 1.10 ± 0.05 g/cm³ (L) 1.15 ± 0.05 g/cm³ (L-A) |
| Water Solubility | Soluble | Soluble |
5. Recommended Dosage of CG214 Fluid Loss Additive
| Product Type | Recommended Dosage |
| Liquid Products (CG214L / CG214L-A) | 2.0 - 6.0% BWOC |
| Powder Product (CG214S-P) | 0.6 - 2.5% BWOC |
Recommended temperature: below 180℃ (356℉, BHCT).
6. Cement Slurry Performance of CG214 Fluid Loss Additive
| Test Item | Test Condition | Technical Indicator |
| Density of Lightweight Cement Slurry | 25℃, Atmospheric Pressure | 1.35 ± 0.01 g/cm³ |
| Density of Strong Dispersity Cement Slurry | 25℃, Atmospheric Pressure | 1.90 ± 0.01 g/cm³ |
| Fluid Loss (Fresh Water System) | 52℃, 6.9 MPa | ≤60 ml |
| Fluid Loss (Seawater System) | 80℃, 6.9 MPa | ≤100 ml |
| Fluid Loss (2% CaCl2 System) | 80℃, 6.9 MPa | ≤80 ml |
| Initial Consistency | 52℃ / 28 min, 35.9 MPa | ≤30 Bc |
| 40-100 Bc Thickening Time | 52℃ / 28 min, 35.9 MPa | ≤40 min |
| Free Fluid | 80℃, Atmospheric Pressure | ≤1.4% |
| 24h Compressive Strength (Lightweight Slurry) | - | ≥5.0 MPa |
| 24h Compressive Strength (Strong Dispersity Slurry) | - | ≥14.0 MPa |
7. Why Fluid Loss Control Is Important in Cementing?
Fluid loss control is one of the key factors affecting cement slurry stability, placement efficiency, and cement sheath integrity.
Excessive fluid loss may lead to:
- Slurry dehydration
- Poor displacement efficiency
- Increased gas migration risk
- Unstable slurry density distribution
- Poor cement bonding quality
By using a reliable Fluid Loss Additive such as CG214, cementing engineers can maintain stable slurry performance and improve overall cementing quality.
8. Packaging and Storage
Liquid Products:
- Shelf life: 12 months after production
- Packaging: 25 kg plastic barrel, 200 L plastic barrel, 5 US gallon plastic barrel
Powder Product:
- Shelf life: 24 months after production
- Packaging: 25 kg bag
Customized packaging is also available. Once expired, products should be tested before use.
9. Frequently Asked Questions (FAQ)
Q1: What is CG214 mainly used for?
A: CG214 is mainly used as a fluid loss additive for oilwell cement slurry systems, especially lightweight and highly dispersed slurry systems.
Q2: Is CG214 suitable for seawater cement slurry systems?
A: Yes. CG214 can be used in fresh water, seawater, and slurry systems containing 2% CaCl2.
Q3: What is the recommended BHCT temperature?
A: CG214 is recommended for use below 180℃ (356℉, BHCT).
Q4: What are the available product forms?
A: CG214 is available in liquid type (CG214L), anti-freezing liquid type (CG214L-A), and powder type (CG214S-P).
Q5: Is CG214 compatible with other cementing additives?
A: Yes. CG214 is compatible with various cementing additives used in oilwell cementing systems.
10. Request a Quote for CG214 Fluid Loss Additive
If you are looking for a reliable Fluid Loss Additive for lightweight cement slurry systems, seawater slurry systems, or gas migration control cementing applications, CG214 is an excellent solution for oilwell cementing operations.
We can provide:
- Technical datasheet (TDS)
- Recommended slurry formulation support
- Product samples for laboratory evaluation
- Quotation and delivery schedule
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