Transactions With Related Parties

6 Months Ended

Jun. 30, 2013

Related Party Transactions [Abstract]

Transactions With Related Parties

9. Transactions with Related Parties

Sales, purchases and other transactions with affiliated companies, in the opinion of management, are conducted under terms no more or less favorable than then-existing market conditions. The transactions with related parties were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Revenues:
Sales of CO2 to Sandhill Group, LLC (1)	$	808	$	660	$	1,481	$	1,273
Petroleum products sales to Davison family businesses	289		374		644		686
Petroleum products sales to an affiliate of the Quintana Group (2)	—		4,578		—		14,766
Costs and expenses:
Amounts paid to our CEO in connection with the use of his aircraft	150		150		300		300
Marine operating fuel and expenses provided by an affiliate of the Quintana Group (2)	—		2,244		—		4,201

(1) We own a 50% interest in Sandhill Group, LLC.

(2) The Quintana Group monetized all of its remaining investment in our common units on October 5, 2012. Transactions with the Quintana Group are included in the above table as related party transactions through October 5, 2012.

Amount due from Related Party

At June 30, 2013 and December 31, 2012 Sandhill Group, LLC owed us $0.3 million and $0.2 million for purchases of CO₂.