Plans for Sandpiper on hold following joint venture stake in Bakken Pipeline project.
Plans to use funds raised to reduce debt and financing capital spending.
Bakken system will deliver 470,000 barrels per day of crude between North Dakota, the US Midwest and the US Gulf Coast.
Pressure is being applied to federal regulators for improved safety measures.
Industry-funded study says current rules are sufficient, feds disagree.
Blasts were much more intense than what would be expected from the petroleum product.
Boosting output in Bakken and Cardium formations.
Enbridge is investing $4 billion in new construction to bring oil sands crude to the US Gulf and help ease a bottleneck that has led to a supply glut in the Midwest.