Transactions With Affiliates (tables)

12 Months Ended

Dec. 31, 2014

Below is a summary of the fixed price ranges on WES’s outstanding commodity price swap agreements as of December 31, 2014:



per barrel except natural gas	2015				2016
Ethane	$	18.41	−	23.41	$	23.11
Propane	47.08		−	52.99	52.90
Isobutane	62.09		−	74.02	73.89
Normal butane	54.62		−	65.04	64.93
Natural gasoline	72.88		−	81.82	81.68
Condensate	76.47		−	81.82	81.68
Natural gas (per MMBtu)	4.66		−	5.96	4.87

Gains (Losses) on Commodity Price Swap Agreements Table

The following table summarizes realized gains and losses on commodity price swap agreements:



	Year Ended December 31,
thousands	2014			2013			2012
Gains (losses) on commodity price swap agreements related to sales:⁽¹⁾
Natural gas sales	$	9,494		$	21,382		$	37,665
Natural gas liquids sales	113,866			102,076			66,260
Total	123,360			123,458			103,925
Losses on commodity price swap agreements related to purchases ⁽²⁾	(68,492		)	(85,294		)	(89,710		)
Net gains (losses) on commodity price swap agreements	$	54,868		$	38,164		$	14,215


⁽¹⁾	Reported in affiliate natural gas, natural gas liquids and condensate sales in the consolidated statements of income in the period in which the related sale is recorded.


⁽²⁾	Reported in cost of product in the consolidated statements of income in the period in which the related purchase is recorded.

Related Party Transactions Tables

The following table summarizes the amounts WGP reimbursed to Anadarko, separate from, and in addition to, those reimbursed by WES:



	Year Ended December 31,
thousands	2014		2013		2012
General and administrative expenses	$	254	$	271	$	13
Public company expenses	1,986		2,391		503
Total reimbursement	$	2,240	$	2,662	$	516

The following table summarizes WES’s purchases from and sales to Anadarko of pipe and equipment:



	Year Ended December 31,
	2014		2013		2012		2014		2013		2012
thousands	Purchases						Sales
Cash consideration	$	22,943	$	11,211	$	24,705	$	—	$	85	$	760
Net carrying value	12,210		5,309		8,009		—		38		393
Partners’ capital adjustment	$	10,733	$	5,902	$	16,696	$	—	$	47	$	367

The following table summarizes affiliate transactions, which include revenue from affiliates, reimbursement of operating expenses and purchases of natural gas:



	Year ended December 31,
thousands	2014		2013		2012
Revenues ⁽¹⁾	$	969,995	$	805,526	$	688,026
Equity income, net ⁽¹⁾	57,836		22,948		16,042
Cost of product ⁽¹⁾	114,000		129,045		145,250
Operation and maintenance ⁽²⁾	58,884		56,435		51,237
General and administrative ⁽³⁾	27,736		24,235		92,887
Operating expenses	200,620		209,715		289,374
Interest income ⁽⁴⁾	16,900		16,900		16,900
Interest expense ⁽⁵⁾	3		—		2,766
Distributions to WGP unitholders ⁽⁶⁾	204,615		124,633		—
Distributions to WES unitholders ⁽⁷⁾	1,747		755		—
Contributions from Anadarko as a Chipeta noncontrolling interest owner ⁽⁸⁾	—		—		12,588
Distributions to Anadarko as a Chipeta noncontrolling interest owner ⁽⁸⁾	—		—		6,528


⁽¹⁾	Represents amounts recognized under gathering, treating or processing agreements, and purchase and sale agreements.


⁽²⁾	Represents expenses incurred on and subsequent to the date of the acquisition of WES assets, as well as expenses incurred by Anadarko on a historical basis related to WES assets prior to the acquisition of such assets by WES.

⁽³⁾

Represents general and administrative expense incurred on and subsequent to the date of WES’s acquisition of WES assets, as well as a management services fee for reimbursement of expenses incurred by Anadarko for periods prior to the acquisition of WES assets by WES. These amounts include equity-based compensation expense allocated to by Anadarko (see WES LTIP and WGP LTIP and Anadarko Incentive Plans within this Note 5) and amounts charged by Anadarko under the WGP omnibus agreement.


⁽⁴⁾	Represents interest income recognized on the note receivable from Anadarko.

⁽⁵⁾

For the year ended December 31, 2012, includes interest expense recognized on the WES note payable to Anadarko (see Note 13) and interest imputed on the reimbursement payable to Anadarko for certain expenditures Anadarko incurred in 2011 related to the construction of the Brasada complex and Lancaster plant. WES repaid the WES note payable to Anadarko in June 2012, and repaid the reimbursement payable to Anadarko associated with the construction of the Brasada complex and Lancaster plant in the fourth quarter of 2012.


⁽⁶⁾	Represents distributions paid under WGP’s partnership agreement (see Note 3 and Note 4).


⁽⁷⁾	Represents distributions paid to other wholly owned subsidiaries of Anadarko under WES’s partnership agreement (see Note 3 and Note 4).


⁽⁸⁾	As described in Note 2, WES acquired the additional Chipeta interest on August 1, 2012, and accounted for the acquisition on a prospective basis. As such, contributions from noncontrolling interest owners and distributions to noncontrolling interest owners subsequent to the acquisition date no longer reflect contributions from or distributions to Anadarko.

Western Gas Partners [Member]

Related Party Transactions Tables

The following table summarizes the amounts WES reimbursed to Anadarko:



	Year Ended December 31,
thousands	2014		2013		2012
General and administrative expenses	$	20,249	$	16,882	$	14,904
Public company expenses	8,006		7,152		6,830
Total reimbursement	$	28,255	$	24,034	$	21,734