UPDATE 1-U.S. oil drillers add most rigs since Dec in longest streak in 2 years

Aug 12 (Reuters) - U.S. drillers this week added oil rigs

for a seventh consecutive week, the longest recovery streak in

the rig count in over two years, even as analysts revise down

rig count growth forecasts and energy firms become more cautious

the longer crude holds below $50 a barrel.

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