Acquisitions and Divestitures

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Acquisitions and Divestitures

3. ACQUISITIONS AND DIVESTITURES

AMA acquisition. In February 2019, WES Operating acquired the following assets from Anadarko (see Note 1), which are collectively referred to as the Anadarko Midstream Assets (“AMA”):

• Wattenberg processing plant. The Wattenberg processing plant consists of a cryogenic train (with capacity of 190 million cubic feet per day (“MMcf/d”)) and a refrigeration train (with capacity of 100 MMcf/d) located in Adams County, Colorado, now part of the DJ Basin complex.

• Wamsutter pipeline. The Wamsutter pipeline is a crude oil gathering pipeline located in Sweetwater County, Wyoming and delivers crude oil into MPLX LP’s SLC Core Pipeline System (formerly referred to as the Wamsutter Pipeline System).

• DJ Basin oil system. The DJ Basin oil system consists of (i) a crude oil gathering system, (ii) a centralized oil stabilization facility (“COSF”), and (iii) a 12-mile crude oil pipeline, located in Weld County, Colorado. The COSF consists of Trains I through VI with total capacity of 155 thousand barrels per day (“MBbls/d”) and two storage tanks with total capacity of 500,000 barrels. Train VI commenced operations in 2018. The pipeline connects the COSF to Tampa Rail.

• DBM oil system. The DBM oil system consists of (i) a crude oil gathering system, (ii) three central production facilities (“CPFs”), which include ten processing trains with total capacity of 75 MBbls/d, (iii) three storage tanks with total capacity of 30,000 barrels, (iv) a 14-mile crude oil pipeline, and (v) two regional oil treating facilities (“ROTFs”), which include four trains with total capacity of 120 MBbls/d, located in Reeves and Loving Counties, Texas. The ROTFs commenced operations in 2018. The pipeline transports crude oil from the DBM oil system and one third-party CPF into Plains All American Pipeline.

• APC water systems. The APC water systems consist of five produced-water disposal systems with total capacity of 565 MBbls/d, located in Reeves, Loving, Winkler, and Ward Counties, Texas, which are now part of the DBM water systems. One produced-water disposal system commenced operations in 2017 and the others commenced operations in 2018.

• A 20% interest in Saddlehorn. Saddlehorn owns (i) a crude oil and condensate pipeline (excluding pipeline capacity leased by Saddlehorn) that originates in Laramie County, Wyoming and terminates in Cushing, Oklahoma, and (ii) four storage tanks with total capacity of 300,000 barrels. The Saddlehorn interest is accounted for under the equity method and the pipeline is operated by a third party.

• A 15% interest in Panola. Panola owns a 248-mile NGLs pipeline that originates in Panola County, Texas and terminates in Mont Belvieu, Texas. The Panola interest is accounted for under the equity method and the pipeline is operated by a third party.

• A 50% interest in Mi Vida. Mi Vida owns a cryogenic gas processing plant (with capacity of 200 MMcf/d) located in Ward County, Texas. The interest in Mi Vida is accounted for under the equity method and the processing plant is operated by a third party.

• A 50% interest in Ranch Westex. Ranch Westex owns a processing plant consisting of a cryogenic train (with capacity of 100 MMcf/d) and a refrigeration train (with capacity of 25 MMcf/d), located in Ward County, Texas. The interest in Ranch Westex is accounted for under the equity method and the processing plant is operated by a third party.

3. ACQUISITIONS AND DIVESTITURES (CONTINUED)

The acquisition of AMA was a transfer of net assets between entities under common control, therefore, the Partnership and WES Operating’s historical financial statements previously filed with the SEC have been recast in this Form 10-Q to include the results attributable to AMA as if it was owned for all periods presented. The consolidated financial statements for periods prior to the acquisition of AMA have been prepared from Anadarko’s historical cost-basis accounts and may not be necessarily indicative of the actual results of operations that would have occurred if AMA had been owned during the periods reported.

The following tables present the impact of AMA on Revenues and other, Equity income, net – affiliates, and Net income (loss) as presented in the Partnership and WES Operating’s historical consolidated statements of operations:

	Three Months Ended September 30, 2018
thousands	Partnership Historical		AMA		Eliminations			Combined
Revenues and other	$	507,762	$	89,714	$	(9,576	)	$	587,900
Equity income, net – affiliates	43,110		11,105		—			54,215
Net income (loss)	154,677		43,883		—			198,560

	Nine Months Ended September 30, 2018
thousands	Partnership Historical		AMA		Eliminations			Combined
Revenues and other	$	1,432,483	$	200,064	$	(25,515	)	$	1,607,032
Equity income, net – affiliates	102,752		31,122		—			133,874
Net income (loss)	339,728		107,009		—			446,737

	Three Months Ended September 30, 2018
thousands	WES Operating Historical		AMA		Eliminations			Combined
Revenues and other	$	507,762	$	89,714	$	(9,576	)	$	587,900
Equity income, net – affiliates	43,110		11,105		—			54,215
Net income (loss)	155,636		43,883		—			199,519

	Nine Months Ended September 30, 2018
thousands	WES Operating Historical		AMA		Eliminations			Combined
Revenues and other	$	1,432,483	$	200,064	$	(25,515	)	$	1,607,032
Equity income, net – affiliates	102,752		31,122		—			133,874
Net income (loss)	343,503		107,009		—			450,512

Red Bluff Express acquisition. In January 2019, the Partnership acquired a 30% interest in Red Bluff Express, which owns a natural gas pipeline operated by a third party connecting processing plants in Reeves and Loving Counties, Texas, to the WAHA hub in Pecos County, Texas. The Partnership acquired its 30% interest from a third party via an initial net investment of $92.5 million, which represented its share of costs incurred up to the date of acquisition. The initial investment was funded with cash on hand and the interest in Red Bluff Express is accounted for under the equity method. See Note 8.

3. ACQUISITIONS AND DIVESTITURES (CONTINUED)

Whitethorn LLC acquisition. In June 2018, the Partnership acquired a 20% interest in Whitethorn LLC, which owns a crude oil and condensate pipeline that originates in Midland, Texas, and terminates in Sealy, Texas (the “Midland-to-Sealy pipeline”) and related storage facilities (collectively referred to as “Whitethorn”). A third party operates Whitethorn and oversees the related commercial activities. In connection with its investment in Whitethorn LLC, the Partnership shares proportionally in the commercial activities. The Partnership acquired its 20% interest via a $150.6 million net investment, which was funded with cash on hand and is accounted for under the equity method. See Note 8.

Cactus II acquisition. In June 2018, the Partnership acquired a 15% interest in Cactus II, which owns a crude oil pipeline operated by a third party (the “Cactus II pipeline”) connecting West Texas to the Corpus Christi area. The Cactus II pipeline began delivering crude oil during the third quarter of 2019 and is expected to become fully operational in the first quarter of 2020. The Partnership acquired its 15% interest from a third party via an initial net investment of $12.1 million, which represented its share of costs incurred up to the date of acquisition. The initial investment was funded with cash on hand and the interest in Cactus II is accounted for under the equity method. See Note 8.