Silica Flour F-110 — High-temp cement

Description

1. Product Overview

Silica Flour F-110 is a high-purity, finely milled quartz silica specifically engineered for use in high-temperature oilwell cementing systems. It is primarily used as an additive in Class G and Class H oilwell cement formulations to prevent strength retrogression in wells exposed to elevated temperatures and pressures.

With controlled particle size distribution and high SiO₂ content, Silica Flour F-110 enhances thermal stability and mechanical integrity of cement sheaths in deep wells and geothermal applications. Strategically, it is an essential material for maintaining wellbore integrity in high-temperature drilling environments, supporting safe and long-term hydrocarbon production.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • Silicon Dioxide (SiO₂): Typically ≥ 99%
  • Trace mineral oxides (Al₂O₃, Fe₂O₃, CaO) in minimal concentrations
• Purity Level / Grade:
  • Oilfield Cement Additive Grade (API-compatible)
  • High-purity crystalline silica
• Physical Characteristics:
  • Form: Fine powder (silica flour)
  • Color: White to off-white
  • Particle Size: F-110 grade, median particle size approx. 10–20 microns
  • Specific Gravity: ~2.65
  • Bulk Density: Approx. 0.9–1.1 g/cm³
  • Low moisture content
• Packaging Options:
  • Bulk jumbo bags (1–1.5 MT)
  • 25 kg industrial bags (palletized)
  • Bulk container loading
  • BULK 20MT shipments
• Shelf Life:
  • Indefinite under dry storage conditions
  • Store in moisture-free environments to maintain flowability

3. Core Industrial Applications

Primary Industries

• Oil and gas drilling
• Geothermal energy
• High-temperature cement manufacturing
• Energy infrastructure development

Operational Use Cases

• Additive for high-temperature oilwell cement systems
• Prevention of strength retrogression in deep wells
• Cementing operations in geothermal wells
• Thermal stabilization of cement in high-pressure environments

Performance & Cost Advantages

Silica Flour F-110 significantly improves the high-temperature performance of oilwell cement by reacting with calcium hydroxide to form stable calcium silicate hydrates. This reaction prevents the deterioration of cement strength that occurs at temperatures above approximately 110°C.

Compared to standard cement systems without silica additives, it enhances compressive strength retention, thermal durability, and long-term well integrity. Its optimized particle size ensures uniform blending and efficient slurry performance, minimizing operational risks and costly well remediation.

4. Competitive Advantages

• Quality Consistency: Tight particle size control and high SiO₂ purity ensure predictable cement performance.
• Supply Reliability: Scalable production capacity supporting large oilfield service and drilling programs.
• Logistics Capability: Global bulk shipment capability with flexible packaging formats.
• Price Competitiveness: Cost-efficient additive relative to specialized high-temperature cement alternatives.
• Sustainability Benefits: Supports long-term well integrity, reducing remediation and material waste.
• Technical Documentation: Full technical data sheets, COA, and safety documentation available.
• Technical Support: Application guidance for oilwell cement formulations and slurry design optimization.

Silica Flour F-110 is a strategic material for drilling operators and cement service providers seeking reliable high-temperature cement performance in demanding subsurface environments.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity:
  • 20ft Container: Approx. 20–25 MT depending on packaging configuration