Zenith Energy U.S. LP, which is backed by Warburg Pincus and Kelso, has closed its previously announced acquisition of Arc Logistics, a limited partnership that owns, operates, develops and acquires energy logistics assets,. No financial terms were disclosed; however, a previous report of this transaction pegged the amount at $16.50 per share. Zenith is using a portion of its $625 million line of equity led by Warburg Pincus and Kelso to finance the transaction. Barclays and Credit Suisse served as financial advisers to Zenith on the deal.