Transactions With Related Parties

9 Months Ended

Sep. 30, 2013

Related Party Transactions [Abstract]

Transactions With Related Parties

10. 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 September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Revenues:
Sales of CO2 to Sandhill Group, LLC (1)	$	863	$	838	$	2,344	$	2,111
Petroleum products sales to Davison family businesses	399		326		1,043		1,012
Petroleum products sales to an affiliate of the Quintana Group (2)	—		6,376		—		21,142
Costs and expenses:
Amounts paid to our CEO in connection with the use of his aircraft	$	150	$	150	$	450	$	450
Marine operating fuel and expenses provided by an affiliate of the Quintana Group (2)	—		1,980		—		6,181

(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 both September 30, 2013 and December 31, 2012 Sandhill Group, LLC owed us $0.3 million for purchases of CO₂.