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Transactions With Related Parties | 6 Months Ended
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Jun. 30, 2016
Related Party Transactions [Abstract] |
Transactions With Related Parties | 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,
| 2016 |  | 2015 |  | 2016 |  | 2015
Revenues: |  |  |  |  |  |  |
Sales of CO2 to Sandhill Group, LLC (1) | $ | 762 |  |  | $ | 806 |  |  | $ | 1,488 |  |  | $ | 1,505 |
Revenues from provision of services to Poseidon Oil Pipeline Company, LLC (2) | 1,980 |  |  | — |  |  | 3,956 |  |  | — |
Costs and expenses: |  |  |  |  |  |  |
Amounts paid to our CEO in connection with the use of his aircraft | $ | 165 |  |  | $ | 165 |  |  | $ | 330 |  |  | $ | 360 |
Charges for services from Poseidon Oil Pipeline Company, LLC (2) | 251 |  |  | — |  |  | 498 |  |  | — |
(1) | We own a 50% interest in Sandhill Group, LLC.
(2) | We own 64% interest in Poseidon Oil Pipeline Company, LLC.
Amount due from Related Party At June 30, 2016 and December 31, 2015 (i) Sandhill Group, LLC owed us $0.3 million and $0.3 million, respectively, for purchases of CO2 and (ii) Poseidon Oil Pipeline Company, LLC owed us $1.1 million and $1.9 million, respectively, for services rendered. Transactions with Unconsolidated Affiliates Poseidon As part of our Enterprise acquisition, we became the operator of Poseidon in the third quarter of 2015. We provide management, administrative and pipeline operator services to Poseidon under an Operation and Management Agreement . Currently, that agreement renews automatically annually unless terminated by either party (as defined in the agreement). Our revenues for the three and six months ended June 30, 2016 reflect $2.0 million and $4.0 million, respectively, of fees we earned through the provision of services under that agreement. Deepwater Gateway Deepwater Gateway, LLC, which became a wholly-owned subsidiary in the first quarter of 2016, no longer constitutes a related party.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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