The Calgary-based pipeline operator filed papers late Friday seeking arbitration under the North American Free Trade Agreement, arguing that TransCanada had every reason to believe it would win approval to build Keystone XL.

U.S. Rig Count is down 3 rigs from last week to 421, with oil rigs down 7 to 330, gas rigs up 4 to 90, and miscellaneous rigs unchanged at 1. Canadian Rig Count is up 7 rigs from last week to 76, with oil rigs up 8 to 36, gas rigs down 1 to 39, and miscellaneous rigs unchanged at 1.

Since January, nearly $2 billion has been raised by Canadian non-oilsands producers on equity markets, but most of it has been geared to paying down debt or funding acquisitions, not for drilling new wells

U.S. Rig Count is up 10 rigs from last week to 424, with oil rigs up 9 to 337, gas rigs up 1 to 86, and miscellaneous rigs unchanged at 1. Canadian Rig Count is up 4 rigs from last week to 69, with oil rigs down 1 to 28, gas rigs up 4 to 40, and miscellaneous rigs up 1 to 1.

"Growth is expected to rebound in 2016, supported by exchange rate depreciation and accommodative monetary and fiscal policies, but uncertainty about oil prices, challenges in sustaining the global recovery, and elevated domestic vulnerabilities suggest risks to the outlook are tilted to the downside," the IMF said.

U.S. Rig Count is up 4 rigs from last week to 414, with oil rigs up 3 at 328, gas rigs up 3 to 85, and miscellaneous rigs unchanged at 1. Canadian Rig Count is up 24 rigs from last week to 65, with oil rigs up 16 to 29, gas rigs up 8 to 36.

U.S. Rig Count is up 4 rigs from last week to 408, with oil rigs up 9 at 325, gas rigs down 5 to 82, and miscellaneous rigs unchanged at 1. Canadian Rig Count is down 2 rigs from last week to 41, with oil rigs down 1 to 13, gas rigs unchanged at 28, and miscellaneous rigs down 1 at 0.

U.S. Rig Count is unchanged from last week at 404, with oil rigs down 2 to 316, gas rigs up 2 to 87, and miscellaneous rigs unchanged at 1. Canadian Rig Count is down 1 rig from last week to 43, with oil rigs down 2 to 14, gas rigs up 1 to 28, and miscellaneous rigs unchanged at 1.

U.S. Rig Count is down 2 rigs from last week to 404, with oil rigs unchanged at 318, gas rigs down 2 to 85, and miscellaneous rigs unchanged at 1. Canadian Rig Count is up 1 rig from last week to 44, with oil rigs unchanged at 16, gas rigs up 1 to 27, and miscellaneous rigs unchanged at 1.

Including the assumption of CPG debt, the total enterprise value of the transaction is approximately $13 billion.