Transactions with Related Parties (Tables)

6 Months Ended

Jun. 30, 2018

Receivables from and payables to ANSAC as of June 30, 2018 and December 31, 2017 are as follows:

The transactions with related parties were as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Revenues:
Sales of CO₂ to Sandhill Group, LLC ⁽¹⁾	$	690	$	726	$	1,233	$	1,403
Revenues from services and fees to Poseidon Oil Pipeline Company, LLC ⁽²⁾	3,039		3,044		6,239		6,066
Revenues from product sales to ANSAC	93,938		—		184,734		—
Costs and expenses:
Amounts paid to our CEO in connection with the use of his aircraft	$	165	$	165	$	330	$	330
Charges for services from Poseidon Oil Pipeline Company, LLC (2)	250		249		499		490
Charges for services from ANSAC	1,256		—		3,034		—


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


(2)	We own 64% interest in Poseidon Oil Pipeline Company, LLC.