Gas migration can be controlled with a cement system that includes latex, stabilizers and dispersants. These latex systems can reduce fluid loss, increase acid resistance, and improve high-temperature suspension properties. In general, latexes are colloidal in nature, with particles larger than a molecule, but smaller than grains of sand. These particles also have a very large surface area. As a result, the particles coagulate and deliver low permeability for a gas-tight cement sheath. Additionally, latexes enhance tensile and flexural strengths of the cement sheath.
A liquid additive designed to lower equivalent circulating density (ECD) and to impart excellent fluid-loss control, high-temperature suspension properties, and acid resistance to cement slurries.
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