US 2008/0156493 A1Published application

Solid Gas Migration Control Additives Based on Latex Powders for Cementing Applications

AssigneeSchlumberger Technology Corporation

InventorsBarlet-Gouedard Veronique, Ermel Michel, Daniel Sylvie

Life of this patent

Estimating the term…

A gas migration prevention additive for use in cementing wells comprising a solid latex powder.

Dependent claims

A gas migration prevention additive for use in cementing wells comprising a solid latex powder.

Dependencies are inferred from the claim text.

C09K 8/493
Containing additives for specific purposes: additives for reducing or preventing gas migration
C04B 24/2623
Obtained by reactions only involving carbon-to-carbon unsaturated bonds: polyvinylalcohols; Polyvinylacetates
C04B 24/2676
Obtained by reactions only involving carbon-to-carbon unsaturated bonds: polystyrenes
C04B 28/02
Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic…

From the US filing history. Foreign family members aren’t listed.

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