Profile: MarkWest Energy Partners LP (MWE)

MWE on New York Consolidated

27 Nov 2015
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MarkWest Energy Partners, L.P. (MarkWest), incorporated on January 25, 2002, is a master limited partnership engaged in the gathering, processing and transportation of natural gas; the gathering, transportation, fractionation, storage and marketing of natural gas liquids (NGLs), and the gathering and transportation of crude oil. The Company operates in four segments: Marcellus, Utica, Northeast and Southwest. The Company provides services in the midstream sector of the natural gas industry.

Marcellus Segment

The Marcellus segment provides integrated natural gas midstream services in southwestern Pennsylvania and northern West Virginia through its wholly owned subsidiary, MarkWest Liberty Midstream. The total processing capacity is approximately 3.2 Billion cubic feet per day (Bcf/d). The Company is a processor of natural gas in the Marcellus Shale, and has integrated gathering, processing, fractionation, storage and marketing operations that support the growing liquids natural gas production in the northeast United States.

The Company operates five processing complexes in its Marcellus segment, including the Houston Complex located in Washington County, Pennsylvania; the Majorsville Complex located in Marshall County, West Virginia; the Mobley Complex located in Wetzel County, West Virginia; the Sherwood Complex located in Doddridge County, West Virginia; and the Keystone Complex. In addition, the Company operates two natural gas gathering systems.

Utica Segment

The Company’s MarkWest Utica EMG provides gathering, processing, fractionation and marketing services in the liquids-rich and dry-gas areas of the Utica Shale in Ohio. MarkWest Utica EMG operates two processing complexes in the Utica Shale with a total capacity of approximately 925 million cubic feet of natural gas per day (MMcf/d); the Cadiz Complex in Harrison County, Ohio and the Seneca Complex in Noble County, Ohio.

Northeast Segment

The Northeast segment assets include the Kenova, Boldman, Cobb, Kermit and Langley natural gas processing complexes, an NGL pipeline and the Siloam fractionation facility. The Siloam fractionation facility can also be used to provide fractionation services to MarkWest Liberty and MarkWest Utica EMG. In addition, the Company has two caverns for storing propane at its Siloam facility and has additional propane storage capacity. The Company owns and operates a FERC-regulated crude oil pipeline in Michigan providing interstate transportation service.

Southwest Segment

The Company owns a system that consists of natural gas gathering pipelines, centralized compressor stations, two natural gas processing complexes and two NGL pipelines. The East Texas system is located in Panola, Harrison and Rusk Counties and services the Carthage Field. Producing formations in Panola County consist of the Cotton Valley, Pettit, Travis Peak, Haynesville and Bossier formations.

The Company owns gas gathering systems in the Granite Wash formation of Western Oklahoma and the Texas panhandle, which are both connected to natural gas processing complexes in Western Oklahoma. The gathering system includes compression facilities, and the gathered gas is compressed and delivered to the processing complexes. In addition, the Company owns natural gas gathering system in the Woodford Shale play in the Arkoma Basin of southeast Oklahoma. The liquids-rich natural gas gathered in the Woodford system is processed through Centrahoma, or other third-party processors.

The Company owns and operates the Javelina processing and fractionation facility in Corpus Christi, Texas. The Company owns natural gas gathering systems and lateral pipelines located in Texas, Louisiana and New Mexico, including the Appleby gathering system in Nacogdoches County, Texas. The Company also operates natural gas gathering pipelines and field compression to support production from Newfield Exploration Co.’s West Asherton area of the Eagle Ford Shale in Dimmit County, Texas (West Asherton facilities).

Company Address

MarkWest Energy Partners LP

Tower 1, Suite 1600, 1515 Arapah
DENVER   CO   80202-3150
P: +1303.9259200
F: +1303.2908769

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