** Oil support service stocks dominate top losers on Stoxx600 after weak Q4 results from Shell
** Co to cut spending by $15bln over next 3 yrs, hittingsupply chain
** Providers to Shell include Technip and Subsea, along with US peers Transocean, Noble and Schlumberger
** Credit Suisse cuts estimates across sector by an averageof 19 pct, also weighing on sentiment
** Upgrades Technip to "outperform", cuts Aker Solutions to "underperform", both from "neutral"
** Says too early to buy sector given combination ofnegative earnings momentum, earnings downgrade risk andworsening trading environment
** Stoxx 600 Oil and Gas index down 2.6 pct, weakestsector in Europe by some distance
(RM: alasdair.pal.thomsonreuters.com@reuters.net)
Petrofac (PFC)
Wood Group (J) (WG.)