Maintaining shale stability by pore plugging

Details Maintaining shale stability by pore plugging Maintaining shale stability by pore plugging

E - Fixed Constructions

21

B

E21B 43/241 (2006.01)

Patent

CA 2728013

The present invention includes composi-tions and methods for improving wellbores stability of a hydrocarbon bearing shale formation using nanoparticles to decrease swelling and plug pore throats.

L'invention concerne des compositions et des procédés pour augmenter la stabilité de puits de forage d'une formation géologique d'argile schisteuse contenant des hydrocarbures, reposant sur l'utilisation de nanoparticules pour réduire les gonflements et obturer les creux poreux.

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