Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contracts with Customers [Abstract]

Disaggregation of Revenue

		Three Months Ended
		March 31,
(Thousands of dollars)		2019	2018
Net crude oil and condensate revenue
United States – Onshore	$	133,590	182,650
– Offshore		316,023	71,528
Canada    – Onshore		27,344	21,293
– Offshore		43,846	54,315
Other		2,852	–
Total crude oil and condensate revenue		523,655	329,786
Net natural gas liquids revenue
United States – Onshore		6,141	12,134
– Offshore		4,176	1,639
Canada    – Onshore		3,458	3,469
Total natural gas liquids revenue		13,775	17,242
Net natural gas revenue
United States – Onshore		5,864	6,770
– Offshore		2,506	2,937
Canada    – Onshore		44,750	39,594
Total natural gas revenue		53,120	49,301
Total revenue from contracts with customers		590,550	396,329
Gain (loss) on crude contracts		–	(29,502)
Other operating income		442	8,302
Gain on sale of assets		12	(339)
Total revenue	$	591,004	374,790

Current Long-Term Contracts Outstanding

Current Long-Term Contracts Outstanding at March 31, 2019
Location	Commodity	End Date	Description	Approximate Volumes
U.S.	Oil	Q3 2019	Fixed quantity delivery in Eagle Ford	4,000 BOED
U.S.	Oil	Q4 2021	Fixed quantity delivery in Eagle Ford	17,000 BOED
U.S.	Oil, Gas and NGL	Q2 2026	Deliveries from dedicated acreage in    Eagle Ford	As produced
Canada	Gas	Q4 2020	Contracts to sell natural gas at Alberta AECO fixed prices	59 MMCFD
Canada	Gas	Q4 2020	Contracts to sell natural gas at USD Index pricing	60 MMCFD
Canada	Gas	Q4 2024	Contracts to sell natural gas at USD Index pricing	30 MMCFD
Canada	Gas	Q4 2026	Contracts to sell natural gas at USD Index pricing	38 MMCFD