Fluides de forage comprenant des particules de graphite dimensionnées
| N° de brevet: |
EP1892278 (A1) |
| Date de publication: |
2008-02-27 |
| Inventeur(s): |
HALLIDAY WILLIAM S [US];STRICKLAND DWIGHT S [US];SCHWERTNER DAVID [US]; |
| Demandeur(s): |
BAKER HUGHES INC [US]; |
| Classification: |
C09K8/03;F17D1/16;C09K8/16; |
| N° de demande: |
EP20070022291 20040407 |
| Numéro(s) de priorité: |
EP20040749826 20040407;US20030460939P 20030407 |
Drilling fluid systems, graphite particle mixtures, and methods for use thereof including drilling fluid systems having effective rheology and lubricity properties comprising a suspension of graphite particles having a particle size distribution sufficient to permit greater than 65 wt.% up to about 80 wt.% of the graphite particles to pass through a shaker screen having a mesh size of about 80 or less.
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