US benchmark West Texas Intermediate for delivery in March advanced USD 1 to USD52.69 a barrel compared with Friday's close.
Brent North Sea crude for March won 63 cents to stand at USD 58.43 a barrel in London afternoon trade.
Last week saw WTI surge seven per cent and Brent add 9.4 per cent, their best weekly gains since February 2011.
Nicholas Teo, market analyst at CMC Markets in Singapore, said the gains were "motivated by supply-side influences" in the United States.
Also Read
Bloomberg News reported that the rig count was standing at its lowest level since December 2011.
The drop, coupled with announcements of deep cuts in capital spending by major oil companies including BP and BG Group, suggests tighter supplies in the future.
Oil prices have plunged by about 50 percent from their June peaks, largely owing to a surge in global reserves boosted by robust US shale production.
The Labour Department on Friday reported that the world's biggest economy added 257,000 jobs in January and revised upward already healthy growth in the previous two months.
The unemployment rate edged up to 5.7 percent from 5.6 percent, but that was in part because more people were actively seeking jobs.