Marathon Galveston Bay and Garyville: projects in service by year-end 2027
SEC-filed in-service dates; not a turnaround.
Marathon Petroleum's third-quarter 2026 results list a 90,000 barrel per day distillate hydrotreater at Galveston Bay and feedstock optimization at Garyville, adding 30,000 barrels per day of crude throughput and 10,000 barrels per day of export premium gasoline flexibility, all expected in service by year-end 2027. These are capital projects, not turnarounds.
Source: Marathon Petroleum / SEC; The Motley Fool transcript of Marathon managementSources last reviewed: .
What the filing states
The SEC-filed release's strategic update table gives year-end 2027 in-service timing for both sites. On the November 3 call management said the Gulf Coast investments would enter service by year-end 2027.
The filing does not say whether tie-in requires a unit outage, and it names no turnaround.
Source: Marathon Petroleum / SEC; The Motley Fool transcript of Marathon managementWhy a project appears on a turnaround calendar
Commissioning, instrumentation and mechanical completion in 2027 draw on the same supplier base as turnarounds, and Marathon's separate statement that 2027 is a lighter turnaround year makes these projects the clearest 2027 Gulf Coast work the company has disclosed.
Source: The Motley Fool transcript of Marathon managementServices to assess
These categories reflect the candidate scope. They are planning considerations, not announced work packages, contract awards or open bids.
- Commissioning and startup support
- Electrical and instrumentation
- Mechanical services
- Inspection and NDE
Updates
Initial project watch record from Marathon's third-quarter 2026 strategic update.
Source: Marathon Petroleum / SEC; The Motley Fool transcript of Marathon managementSources
Marathon Petroleum / SEC · Published 2026-11-03
The Motley Fool transcript of Marathon management · Published 2026-11-03