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OILFIELD CHEMICALS
GCL-4
Salt Tolerant Liquid Latex
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GENERAL DESCRIPTION
Riteks GCL-4 is a liquid additive designed to lower equivalent circulating density (ECD) and impart excellent fluid-loss control, high-temperature suspension properties, and acid resistance to cement slurries. Riteks GCL-4 is successful across a wide range of well conditions (60°F/16°C to350°F/176.7°C circulating temperature) and is used in both primary casing cementing operations and remedial squeeze work.
Other Names & Identifiers
- Fitrate control
- FL
- Gas Migration Fluid Loss
- Gas Migration Control
APPLICATIONS & BENEFITS
APPLICATIONS
APPLICATIONS & BENEFITSCement can be mixed with Riteks GCL-4 to obtain slurries with excellent fluid-loss properties, low viscosities, and increased resiliency. These properties help increase bonding strength, resulting in a tighter annular seal, and superior zonal isolation. Riteks GCL-4 helps provide resistance to attack on the cement sheath by corrosive fluids such as acids, while cements containing Riteks GCL-4have increased corrosion resistance over standard cements. Under high-temperature downhole conditions, Riteks GCL-4 also provides excellent solids-suspension properties in high-density slurries, and can also exhibit excellent rheological properties while helping to control slurry segregation. Slurries can be designed with Riteks GCL-4 to function as gas migration control, and these slurries can provide low fluid loss control, delaying zero gel time, and shortening transition time. Normally, dispersants and defoamers are used with Riteks GCL-4 to keep the latex suspended in the slurry and to help prevent entrained
FEATURES & ADVANTAGES
APPLICATIONS & BENEFITS
Riteks GCL-4 can provide the following benefits to the cement system:
- Lowers ECD resulting in consistent pump rates and better mud displacement
- Improved Wettability for Increased Bonding Strength to the casing
- Resistance to attack by corrosive fluids
- Mechanical data shows the Riteks GCL-4 – Salt Tolerant Liquid Latex is more resilient than normal cement slurries
- Flexural Strength Modification
- Superior solids suspension properties
- Exceptionally low fluid loss, while exhibiting excellent rheological properties
- Functions at bottom hole circulating temperatures (BHCTs) of 60°F to 350°F
- Slurries containing up to 18% salt typically do not require the use of a stabilizer, although we would recommend the use of Riteks Latex Stabilizer to aid in saturated salt slurries to help prevent coagulation
Technical Specifications
PACKAGING
Totes
GENERAL PHYSICAL PROPERTIES
Appearance
Opaque White Liquid
Specific Gravity
1.00-1.03
Bulk Density
~8.50 lbs/gal
PH
7.7
Solids
50%
Viscocity
100 cps
Freeze Point
32°F (0°C)
Glass Transition Temp
+ 6°C
Particle Diameter
0.15 Microns
Residual Monomer
0.07%
max
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