Mountaineer XPress Unplanned Maintenance Knocks 2 Bcf/d Offline
Can a single pipeline suddenly going offline in the Marcellus/Utica cause the biggest daily drop in natural gas production across the country–ever? Apparently it can. Yesterday TC Energy’s Columbia Gas Transmission subsidiary announced an unplanned outage (for maintenance work) for the Mountaineer XPress pipeline in West Virginia (near Leach, Kentucky). The “force majeure” outage knocked nearly 2 billion cubic feet per day (Bcf/d) of gas flows offline until at least next Monday, July 13.
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Two of the largest not-yet-completed pipeline projects in the Marcellus/Utica, Mountain Valley Pipeline (MVP) and Atlantic Coast Pipeline (ACP), are currently on hold with no construction activity due to various legal challenges by Big Green (see today’s story, Mountain Valley Pipe Update: Done and In-Service Early 2021). However, there are several other large and small M-U pipeline projects where construction continues, even with restrictions from the coronavirus pandemic. Which pipelines?
Anti-fossil fuelers are on a holy mission to stop a 3.37-mile, 8-inch pipeline from being built under the Potomac River by Columbia Gas (see 
TC Energy (once upon a time called TransCanada Corporation) is a major pipeline company in North America. The company has a big presence in the Marcellus/Utica region via its Columbia Pipeline subsidiary. Last week TC Energy issued its fourth-quarter and full-year 2019 update and hosted a quarterly conference call with analysts. While the official update contains a mention about the company’s Buckeye XPress project (see 
The Federal Energy Regulatory Commission (FERC) has taken the first, very big and important step of approving an environmental assessment (EA) for TC Energy/Columbia Transmission’s Louisiana XPress Project. TC/Columbia filed an application with FERC last July for the project (see 
In May, Columbia Gas Transmission was forced to haul the State of Maryland into court over the state’s refusal to grant an easement to drill a tiny 3.5-mile pipeline under the Potomac River (see 
Marcellus/Utica gas hitches a ride to the Gulf Coast to feed several LNG export facilities. We previously outlined how some gas flows to Cheniere’s Sabine Pass LNG plant via Williams’ Transco system (see 
A month ago MDN told you that UGI, a big utility and midstream company headquartered in Pennsylvania, had cut a deal to buy certain pipeline assets in the Marcellus/Utica from Columbia Midstream (see 
Canada’s National Energy Board (NEB) has approved TC Energy’s agreements with natural gas retailers in Eastern Canada, to flow Western Canadian gas to Canada’s East Coast and New England. TC Energy (formerly called TransCanada) cooked up a plan to expand an existing pipeline in New England and connect it to a point in Quebec to flow gas from the opposite side of the continent, Western Canadian natural gas (over 1,000 miles away), into New England and from there back up into Canada (see 
Columbia Transmission is on a mission to flow more Marcellus/Utica gas south–all the way to the Gulf Coast in Louisiana. Earlier this week Columbia filed a new application with the Federal Energy Regulatory Commission (FERC) to build the Louisiana XPress Project, a project to beef up flows along the existing Columbia pipeline system by an additional 850 million cubic feet per day (MMcf/d) by adding and expanding several compressor stations in Louisiana. Most, if not all of the M-U gas that will flow through it, is heading to Cheniere Energy’s Sabine Pass LNG export facility in Lake Charles.
Exactly three years ago, TransCanada Corporation (now renamed TC Energy) completed a deal to buy out and merge in Columbia Pipeline Group for $10 billion (see 
Last Tuesday evening a 68-year-old woman was home in her bed in Clarion County, PA when she heard an explosion and a wall collapsed on her. She freed herself from the rubble and drove to a neighbor’s house for assistance. The home, a garage and greenhouse were all destroyed as a result of the explosion and fire. The cause? Natural gas “migrating” in the basement of the home. A local delivery pipeline and a nearby transmission pipeline were both taken out of service while the PA Pennsylvania Public Utility Commission’s (PUC) investigation unit takes a look at the cause.