UNSPSC 71121603: Well casing milling services

Services to cut casing while in the wellbore.

UNSPSC 71121603 Well casing milling services, a Commodity code, encompasses the plugging, abandonment, and site restoration of orphaned oil and gas wells, with state and local governments buying comprehensive well-abandonment packages that include casing removal, well-sealing services, and associated site remediation. The Michigan Department of Environment, Great Lakes, and Energy dominates recent activity under this code, having posted four direct solicitations in July 2026 for plugging and site restoration of 38 orphaned gas storage wells across Gratiot and Montcalm counties—solicitations DS 260000000032 (three wells, due July 21, 2026), DS 260000000034 (twelve wells, due July 21, 2026), DS 260000000033 (fourteen wells, due July 21, 2026), and DS 260000000035 (nine wells, due July 21, 2026)—all issued as direct solicitations restricting bidder eligibility to vendors prequalified through prior RFPs and requiring attendance at mandatory pre-bid meetings held July 9, 2026. These solicitations follow a consistent structure: bidders submit unit pricing for 68 line-item schedules covering labor by Davis-Bacon classifications, well casing and tubing rental, drilling equipment (pole rigs and derrick configurations), cementing services, wireline and mud engineering, waste disposal, and site restoration; all pricing carries Davis-Bacon prevailing wage requirements ranging from $39.57 to $41.32 per hour plus $25.25 to $40.00 in fringe benefits depending on classification. The code also surfaces in state oil-and-gas boards' orphan well remediation efforts: Mississippi Oil and Gas Board issued three IFBs between March and April 2026 for plugging, remediation, and reclamation of fourteen total orphaned wells across multiple counties (IFB 3160007881, 3160007966, 3160007967), and the Texas General Land Office issued RFQ 455-26-1020 in May 2026 for high-hydrogen-sulfide well maintenance services statewide. Geographic concentration is heaviest in Michigan (Gratiot County), Mississippi (scattered across five counties), and Texas, with the Michigan procurements representing the largest volume of recent activity.

Recent opportunities under the code cluster around federal orphan well remediation programs funded through the Infrastructure Investment and Jobs Act, particularly visible in Mississippi and Texas solicitations that reference federal funding and compliance with Davis-Bacon Act and Build America, Buy America provisions. The Michigan Department of Environment, Great Lakes, and Energy solicitations represent the most active and immediate pursuit opportunity, with July 21, 2026 response deadlines that have now passed but signal ongoing program momentum; contractors prequalified through the five named prior RFPs (210000000834, 220000000547, 220000001850, 220000002631, 240000000951) remain eligible for future rounds. The Mississippi Oil and Gas Board and Texas General Land Office solicitations indicate sustained regional activity in orphan well remediation on a project-by-project basis. Notably, the recent opportunities diverge sharply from the abstract code name—"well casing milling services" suggests specialized equipment operation, but actual state and local procurement under this code focuses on full well-plugging and site-restoration contracts where casing removal and milling are embedded cost items within larger abandonment scopes. The code shows robust activity in the present procurement cycle but requires prequalification pathways and Davis-Bacon compliance that narrow the eligible contractor pool substantially.