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OILFIELD CHEMICALS
RFL-4
LT/MT/HT Viscosifying Fluid Los
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GENERAL DESCRIPTION
Riteks RFL-4 is a specially designed Hydroxyethyl cellulose (HEC) that is easily dispersed and dissolved to produce solutions of varying viscosities. RFL-4 is used as a viscosifying fluid loss additive that provides consistent results, viscosity, water retention, and suspension additive. Riteks RFL-4 is a free-flowing, granular powder that dissolves readily in water to give clear, smooth solutions, which exhibit a pseudo plastic flow behavior. Riteks RFL-4 is ideal for circulating long columns of cement slurry on primary casing jobs and for deep liner cementing. It helps maintain fluidity, eliminate premature dehydration, and prevent annular bridging ina tight annulus when cementing is performed form 80°F to 360°F. Riteks RFL-4 is compatible with most additives used in cementing, and also helps provide good frictional properties during displacement.
Other Names & Identifiers
- Fitrate Control
- FL
- Thickener
- Retarding Fluid Loss
APPLICATIONS & BENEFITS
APPLICATIONS
APPLICATIONS & BENEFITSFor best fluid loss performance, recommended loading levels of 0.3- 1.25% BWOC. Riteks RFL-4 – LT/MT/HT Viscosifying Fluid Loss can be used in:
- Primary cementing operations
- Squeeze cementing operations
- Typical temperature ranges of 80°F to 360°F (26°C to 183°C) BHCT
FEATURES & ADVANTAGES
APPLICATIONS & BENEFITS- Controls fluid loss of cement from 80°F to 360°F BHCT
- Offers better control of slurry downhole by helping eliminate premature dehydration
- Functions effectively in slurries containing up to 18% NaCl or 5% KCl
- Helps protect water sensitive shales, and can reduce premature bridging in annuli, which may be caused by dehydration
- Can reduce slurry water losses, thus maintaining more consistent viscosities and circulating pressures
- Helps control gas leakage while cement is setting
- Helps reduce premature dehydration in tubing and casing while perforations are squeezed
Technical Specifications
PACKAGING
50lb Bags
GENERAL PHYSICAL PROPERTIES
Appearance
Off White
Specific Gravity
1.38
Absolute Volume
0.08689
Moisture %
5
PH
6.0-8.5
Viscocity
4,500-6,500
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