Major Customer

12 Months Ended

Dec. 31, 2019

Risks and Uncertainties [Abstract]

Major Customers

Major Customers

Purchasers of the Company's oil, NGL and gas production that individually accounted for ten percent or more of the Company's oil and gas revenues in at least one of the three years ended December 31, 2019 are as follows:

	Year Ended December 31,
	2019		2018		2017
Sunoco Logistics Partners L.P.	33	%	28	%	21	%
Occidental Energy Marketing Inc.	20	%	17	%	16	%
Plains Marketing L.P.	13	%	15	%	14	%
Enterprise Products Partners L.P.	1	%	6	%	11	%

The loss of any of these major purchasers of oil, NGL and gas production could have a material adverse effect on the ability of the Company to produce and sell its oil, NGL and gas production.

Purchasers of the Company's purchased oil and gas that individually accounted for ten percent or more of the Company's sales of purchased oil and gas in at least one of the three years ended December 31, 2019 are as follows:

	Year Ended December 31,
	2019		2018		2017
Occidental Energy Marketing Inc.	30	%	34	%	39	%
BP Energy	5	%	9	%	11	%
Exxon Mobil	4	%	5	%	11	%
Valero Marketing and Supply Company	2	%	9	%	14	%

The loss of any of these major purchasers of purchased oil and gas would not be expected to have an adverse effect on the ability of the Company to sell commodities it purchases from third parties.