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US 2006/0189487 A1Published application
Fluid loss control additive and cement compositions comprising same
AssigneeHalliburton Energy Services, Inc.
InventorsMichael Szymanski, Samuel Lewis, Christian Spindler, Andrea Fenchl
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Abstract
A fluid loss control additive comprising a crosslinked polymer and sugar and cement compositions comprising the same. In one embodiment, the fluid loss control additive comprises a polymer and a sugar connected by a pH-sensitive crosslink. In some embodiments, the polymer is a polyvinyl alcohol, and the sugar is a sugar alcohol such as sorbitol.
Claims20
A fluid loss control additive comprising a polymer and a sugar connected by a pH-sensitive crosslink.
Dependencies are inferred from the claim text.