Surfactant-polymer composition for substantially solid-free...

Details Surfactant-polymer composition for substantially solid-free... Surfactant-polymer composition for substantially solid-free...

C - Chemistry, Metallurgy

09

K

C09K 8/28 (2006.01)

Patent

CA 2470241

Water based drilling, drill-in, and completion fluids comprising surfactant- polymer blends that are effective to generate effective rheology comprising low shear rate viscosity and effective fluid loss control properties. The water based fluids preferably are substantially solid free.

L'invention concerne des fluides de forage, de forage interne et de complétion aqueux qui contiennent des mélanges tensioactif-polymère efficaces pour produire de bonnes propriétés rhéologiques, notamment une viscosité à faible taux de cisaillement et de bonnes propriétés de régulation de perte de fluide. Lesdits fluides aqueux sont de préférence sensiblement dépourvus de solides.

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