The Woodlands, TX
West Union, WV
(Marcellus Field Office)
(Williston Field Office)
Grand Prairie, TX
(Barnett Field Office)
(Piceance Field Office)
Areas of Operation
Areas of Operation
The Marcellus Shale segment includes the Mountaineer Midstream system, a natural gas gathering system located in Doddridge and
Harrison counties in West Virginia. The system is comprised of approximately 49 miles of pipeline and offers fee-based,
high-pressure gathering and compression services to its customers who are targeting natural gas production from the Marcellus
Shale formation in the Appalachian Basin. Natural gas is received onto the Mountaineer Midstream system at central
receipt points and is delivered to MarkWest’s Sherwood Processing Complex.
The Williston Basin segment includes the Bison Midstream system, an associated natural gas gathering system located
in Mountrail and Burke counties in North Dakota; the Polar and Divide system, a crude oil and produced water gathering
system and transmission pipelines located in Williams and Divide counties in North Dakota; and the Tioga Midstream
system, a crude oil, produced water and associated natural gas gathering system located in Williams County in North Dakota.
The Williston segment is comprised of approximately 1,147 miles of pipeline and offers primarily fee-based gathering
services to its customers who are targeting crude oil production from the Bakken and Three Forks shale formations in
the Williston Basin. The Williston associated natural gas is delivered to either the Aux Sable Midstream LLC’s Palermo
Plant or directly to third-party downstream pipelines. Crude oil is delivered into Crestwood Equity Partners
LP’s (NYSE: CEQP) COLT Hub, to the COLT rail terminal in Epping, North Dakota, and to downstream pipelines. Produced
water is delivered to third-party or producer-owned injection wells or disposal wells.
The Barnett Shale segment includes the DFW Midstream system, a natural gas gathering system primarily located in southeastern
Tarrant County, Texas. The system is comprised of approximately 129 miles of pipeline and offers fee-based, low- and
high-pressure gathering services to its customers who are targeting natural gas production from the Barnett Shale formation
in the Ft. Worth Basin. Natural gas is received onto the DFW Midstream system directly at the wellhead (or drill pad site)
for all customers. The DFW Midstream system interconnects with third-party intrastate pipelines including Atmos Energy
Corp.’s (NYSE: ATO) Line X, Energy Transfer Partners, L.P.’s (NYSE: ETP) Old Ocean Pipeline, and Enterprise Products
Partners L.P.’s (NYSE: EPD) Trinity River Lateral Pipeline.
The Piceance/DJ Basins segment includes the Grand River system and the Niobrara G&P system, natural gas gathering
and processing systems located in the Piceance Basin in western Colorado and eastern Utah. The system is comprised
of approximately 1,870 miles of pipeline and offers primarily fee-based gas gathering and processing services to
its customers who are targeting the production of natural gas and natural gas liquids from the Mesaverde, Mancos,
and Niobrara Shale formations underlying the Piceance Basin and the Niobrara and Codell Shale formations underlying
the DJ Basin. Grand River is interconnected with downstream pipelines serving Enterprise Products Partners L.P.’s
(NYSE: EPD) Meeker Natural Gas Processing Plant, Williams Partners L.P.’s (NYSE: WPZ) Northwest Pipeline system,
and Kinder Morgan Inc.’s (NYSE: KMI) TransColorado Pipeline system. Processed natural gas liquids from the Grand
River Gathering system are injected into EPD’s Mid-America Pipeline system. The Niobrara G&P system interconnects
with Colorado Interstate Gas and Overland Pass Pipeline.
The Utica Shale segment includes Summit Utica, a natural gas gathering system in Belmont and Monroe counties in
southeastern Ohio. Summit Utica gathers and delivers natural gas to interconnections with the Utica Ohio River
Pipeline System, a third-party intrastate pipeline.
SMLP also owns substantially all of a 40% ownership interest in Ohio Gathering, which is included in the Utica
Shale segment. Ohio Gathering is developing natural gas gathering and condensate stabilization infrastructure
in the Utica Shale in southeastern Ohio.