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OILFIELD CHEMICALS
REX-HT
MT/HT Expansion
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GENERAL DESCRIPTION
Riteks REX-HT – MT/HT Expansion is a high-temperature, post-set expansion additive designed to improve cement system integrity while preventing shrinkage and mitigating micro-annuli and gas channeling risks. Optimized for use in wells exceeding220°F / 104°C, Riteks REX-HT – MT/HT Expansion offers reliable performance at lower loading levels compared to traditional expansion additives. It is effective across all API cement classifications and integrates seamlessly into standard cement designs without causing execution complications. Riteks REX-HT – MT/HT Expansion enhances long-term zonal isolation and bond quality, making it ideal for demanding high-temperature environments.
Other Names & Identifiers
- Anti-Shrinkage
- Bond Enhancer
APPLICATIONS & BENEFITS
APPLICATIONS
APPLICATIONS & BENEFITSRiteks REX-HT – MT/HT Expansion is best suited for high-temperature primary cementing operations where long-term well integrity and microchannel prevention are critical. Its ability to expand post-set ensures continued performance even after initial cement hardening, making it an ideal choice in formations prone to temperature-induced stress or channeling.
FEATURES & ADVANTAGES
APPLICATIONS & BENEFITS- Post-set expansion for enhanced bonding and zonal isolation
- Effective in high-temperature conditions (220°F / 104°C) and above
- Prevents shrinkage and mitigates micro-annuli and channeling
- Performs across all API cement classifications
- Non-hazardous under normal working conditions
- Low loading levels with minimal impact on cement design or placement
Recommendations
APPLICATIONS & BENEFITS- Temperature Range: (220°F / 104°C) and above
- Recommended Loading: Lower than typical expansion additives (consult lab for exact dosage)
- Compatible with: All API cement classifications
- Functions: Post-set expansion, shrinkage prevention, micro-annuli and channeling prevention
- Ideal for: High-temperature wells requiring long-term sealing and improved bond performance
Technical Specifications
PACKAGING
25Kg Bags
GENERAL PHYSICAL PROPERTIES
Appearance
Dry
Tan/Brown Powder
Specific Gravity
3.57
Absolute Volume
0.0336
Bulk Density
58