Machining & Manufacturing

Estvold Oilfield Services, Inc provides CNC machining, manufacturing, rebuilding services, threaded connection repair & pipe straightening services.

Threaded Connection Repair

Equipped with multiple Mazak CNCs, coupling bucking machines, phosphate machines and pipe handling equipment. Rethreading 2 3/8"-13 3/8" API Connections, proprietary connections and specialty connections.

TAC Refurbishment

Providing TAC rebuilding and refurbishment programs with OEM parts and custom modifications to fit your exact TAC and well environment needs.

Custom Machining

With our multi-axis CNCs, we are able to design, create & modify any part you need! from slotted subs & NOGOs to specialty downhole tools & custom designed parts.

Desander Refurbishment

Providing Desander, packer and downhole tool rebuild and refurbishment programs with OEM parts and custom modifications, breathing new life into your already paid for and owned downhole tools.

Pipe Straightening

Equipped with cross-roll and gag straighteners, capable of straightening 2 3/8" tubing to 8" Drill Collars and hyrdo test bars to HDD drill stills.

Coupling Sales

With a large selection of domestic API tubing & casing couplings, specialty couplings and thread protectors. in stock in multiple locations in the Bakken!