Stonehenge owns and operates midstream facilities to support its producer-partners in the optimum development of their resources.
Stonehenge operates two gathering and compression systems in the Appalachian Basin:  Stonehenge Laurel Gathering and Pine Run Midstream.


Stonehenge and UGI Acquire Pine Run Midstream Natural Gas Gathering System

Pine Run Gathering LLC (“Pine Run Gathering”) announced today that it completed a transaction on February 12, 2021 to acquire Pine Run Midstream, LLC (“Pine Run Midstream”) from an affiliate of PennEnergy Resources, LLC (“PennEnergy”) and minority partners for $205 million. Pine Run Gathering is a joint venture owned by a subsidiary of Stonehenge Energy Resources III, LLC (“Stonehenge III”), a portfolio company of Energy Spectrum Partners VIII LP, and by a subsidiary of UGI Energy Services LLC (“UGIES”), which is a subsidiary of UGI Corporation (NYSE: UGI).

Stonehenge Laurel Gathering, LLC – Clarion Pipeline System

Stonehenge Laurel Gathering, LLC was formed in 2017 as a 60/40 partnership between Stonehenge Energy Resources II, L.P. and Laurel Mountain Energy, LLC to construct a natural gas gathering system to transport NGL-rich natural gas production from Clarion County, Pennsylvania to the Energy Transfer System in Butler County for eventual processing and distribution of the various products out of the Revolution Plant located in Washington County, Pennsylvania.


Keystone – Sarsen Gas Processing Plant and Bluestone Gas Processing Plant

In 2009, Keystone Midstream Services, LLC was formed. Stonehenge Energy Resources, L.P. was 60% owner and manager/ operator of Keystone while Rex Energy Corporation owned 28% and Sumitomo Corporation owned 12%. Rex and Sumitomo produce NGL‐rich gas from the Marcellus Shale formation in Butler County, Pennsylvania, north of Pittsburgh. Keystone was sold to MarkWest Liberty Midstream & Resources, LLC for $512 Million in 2012.

Stonehenge Appalachia, LLC – Butler Pipeline System

Stonehenge Appalachia and Rex Energy Corporation entered into an agreement in 2015 for Stonehenge Appalachia to construct a natural gas gathering and compression system to transport NGL-rich natural gas production from the Moraine East Area in Butler County, Pennsylvania to the MarkWest Bluestone plant for processing and downstream distribution of the various products.