D500 LT GASBLOK Gas Migration Control Additive for Low Temperatures | SLB
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D500 LT GASBLOK

Gas migration control additive

concrete texture

Gas migration control additive for low temperatures

D500 LT GASBLOK gas migration control additive is a suspension of polymeric microgels that creates an impermeable barrier to prevent annular gas migration into the cement slurry during the critical hydration period. The ability of the slurry to stop gas migration is directly related to additive concentration, which depends on the bottomhole circulating temperature and the slurry solid volume fraction. Applications can be designed using fresh water or seawater.

Temperature range: 32 to 160 degF [0 to 71 degC]
Slurry density range: 8 to 20 ppg [960 to 2,400 kg/m3]
D500 LT GASBLOCK additive can be used in freshwater or saltwater from 32 to 160 degF [0 to 71 degC].
D500 LT GASBLOK additive can be used in freshwater or saltwater from 32 to 160 degF [0 to 71 degC].

D193

Fluid loss and gas migration control additive

Control fluid loss and gas migration at temperatures ranging from 32 to 200 degF [0 to 93 degC].

D700 HT GASBLOK

Gas migration control additive

Prevent annular gas migration with surfactants for temperatures ranging from 250 to 350 degF [121 to 177 degC].

D600G GASBLOK

Gas migration control additive

Create an impermeable barrier with surfactants for temperatures ranging from 150 to 300 degF [66 to 149 degC].

CemCRETE

Concrete-based oilwell cementing technology

Develop high-quality cementing solutions for each type of well environment.

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Product Sheet D500 LT GASBLOK Gas Migration Control Additive

Control gas migration during low-temperature primary and remedial cementing.

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