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1. (WO2010119413) FLUID FOR DEEP OFFSHORE DRILLING

Pub. No.:    WO/2010/119413    International Application No.:    PCT/IB2010/051625
Publication Date: Fri Oct 22 01:59:59 CEST 2010 International Filing Date: Thu Apr 15 01:59:59 CEST 2010
IPC: C09K 8/34
C09K 8/32
Applicants: TOTAL RAFFINAGE MARKETING
LAMRANI-KERN, Samia
Inventors: LAMRANI-KERN, Samia
Title: FLUID FOR DEEP OFFSHORE DRILLING
Abstract:
The invention relates to a drilling fluid having a viscosity at 40°C of less than or equal to 2.5 mm2/s and having a vapor pressure at 100°C of less than or equal to 10 mBars (1 KPa) obtained from a hydrocarbon fraction having a distillation temperature of 200 to 280°C and a naphthene hydrocarbon content of less than 40 wt % of said fraction.