At 10:00 a.m. EST (1500 GMT), the Toronto Stock Exchange's S&P/TSX composite index was up 29.13 points, or 0.18 percent, at 16,103.43.
The energy group, which accounts for almost a fifth of the index's weight, climbed 0.4 percent, while the financials group, which accounts for more than a third, gained 0.2 percent.
US crude prices hit their highest in more than two years as the shutdown at TransCanada Corp's Keystone pipeline continued to cut deliveries to storage facilities.
TransCanada shares, which had fallen sharply earlier in the week, were up 0.4 percent at C$63.13.
Nine of the index's 10 main sectors were higher, with the materials group, which includes precious and base metals miners and fertilizer companies, down 0.2 percent.
Teck Resources Ltd gained 1.5 percent to C$29.96 as copper prices headed toward a one-month high, while Barrick Gold Corp fell 2 percent to C$17.97 as gold prices dipped.