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OILFIELD CHEMICALS

REX-LT

LT Expansion
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GENERAL DESCRIPTION

RIteks REX-LT – LT Expansion is a next-generation in-situ expansion additive designed to enhance zonal isolation and cement integrity at significantly lower loading levels than traditional expansion materials. Engineered to activate during the cement setting process, RIteks REX-LT – LT Expansion supports early strength development and shortens Static Gel Strength (SGS) transition time. Its expansion behavior prevents shrinkage, minimizes the risk of channeling, and improves the overall bond between the cement sheath and casing or formation. In addition to its primary expansive functionality, RIteks REX-LT – LT Expansion also contributes secondary performance benefits such as enhanced fluid loss control and improved free fluid properties in certain formulations—offering both performance and cost efficiencies in a single solution.

APPLICATIONS & BENEFITS

FEATURES & ADVANTAGES

APPLICATIONS & BENEFITS
  • Low loading levels compared to traditional expansion additives
  • Aids in early strength development and SGS transition
  • Prevents shrinkage and improves cement bonding
  • Helps prevent gas or fluid channeling
  • Improves fluid loss and free fluid performance in some cases
  • Cost-effective with enhanced performance even at reduced dosages

Recommendations

APPLICATIONS & BENEFITS
  • Temperature Range: Suitable for low to moderate temperature applications
  • Recommended Loading:
  • 0.5% – 2% BWOC in cements >13 ppg
  • 2.5% – 4% BWOC in cements <13 ppg
  • Compatible with: Standard API cement systems
  • Ideal for: Primary cementing in applications requiring improved bonding and reduced channeling risk

Technical Specifications

PACKAGING
50 Lb Bags
GENERAL PHYSICAL PROPERTIES
Appearance
Dry
Specific Gravity
3.56
Absolute Volume
0.0337
Bulk Density
58