D700 HT GASBLOK Gas Migration Control Additive for High Temperatures | Schlumberger
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D700 HT GASBLOK

Gas migration control additive

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Gas migration control additive for high temperatures

D700 HT GASBLOK gas migration control additive is an aqueous dispersion of latex particles with surfactants. It creates an impermeable barrier that prevents annular gas migration into the cement slurry during the critical hydration period. When formation gas enters the slurry, the latex particles coalesce to form a low-permeability plastic film that blocks further migration into the cement.

Temperature range: 250 to 350 degF [121 to 177 degC]
Slurry density range: 8 to 23 ppg [960 to 2,760 kg/m3]
D700 HT GASBLOK additive prevents gas migration during high-temperature primary and remedial cementing.
D700 HT GASBLOK additive prevents gas migration during high-temperature primary and remedial cementing.

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Product Sheet D700 HT GASBLOK Gas Migration Control Additive

Control severe annular gas migration during high-temperature primary and remedial cementing.

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