STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating activities
Net income	$ 68,530	$ 68,443
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	62,778	67,771
Deferred income taxes	1,880	42,775
Share-based compensation expense	3,649	0
Provision for doubtful accounts	3,711	2,666
Changes in assets and liabilities:
Accounts receivable	161,173	85,514
Natural gas in storage	14,083	(1,570)
Asset removal costs	(21,557)	(22,874)
Affiliate payable	0	(3,871)
Accounts payable	(66,392)	(43,279)
Accrued interest	19,386	0
Accrued taxes other than income	6,215	(67)
Customer deposits	(294)	(1,975)
Regulatory assets and liabilities	18,613	47,872
Other assets and liabilities	(10,079)	(16,396)
Cash provided by operating activities	261,696	225,009
Investing activities
Capital expenditures	(148,617)	(130,049)
Proceeds from sale of assets	0	3,104
Cash used in investing activities	(148,617)	(126,945)
Financing activities
Settlement of short-term notes payable to ONEOK, net	0	(85,756)
Issuance of debt, net of discounts	1,199,994	0
Long-term debt financing costs	(11,058)	0
Cash Payment to ONEOK Upon Separation	(1,130,000)	0
Issuance of common stock	693	0
Dividends paid	(14,553)	0
Repayment of long-term debt	0	(59)
Distributions to ONEOK	0	(12,495)
Cash provided by (used in) financing activities	45,076	(98,310)
Change in cash and cash equivalents	158,155	(246)
Cash and cash equivalents at beginning of period	3,171	4,040
Cash and cash equivalents at end of period	$ 161,326	$ 3,794