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Oil and Gas Equipment Fabrication - Custom Metal Fabrication Project Portfolio

Pen Manufacturing is an oil and gas parts manufacturer and refinery equipment manufacturer that custom designs and fabricates pressure vessels, casing heads and spools, valve bodies, pump blocks, and subsea valves for surface and subsea oil and gas production, petrochemical, and refining operations. Our oilfield equipment fabrication capabilities cover aluminum, carbon steel, and stainless steel, machined and welded in-house to the tolerances field-ready equipment requires.

Pen Manufacturing offers custom engineering, in-house fabrication, and repair services for oil and gas equipment parts, backed by our quality management system.

Refinery & Oil Well Equipment - refinery and oil well equipment

Refinery Equipment Manufacturing

Pen Manufacturing custom designs a wide range of oil well head production equipment, pressure vessels, emission control devices, combustors, and more for these and other oil field requirements. We have experience manufacturing equipment components that are used for surface and subsea oil and gas production as well as petrochemical and refining. As a vessel fabrication company, pressure vessels are one of our most requested oil and gas fabrication projects. Examples of these include:

Pressure Vessels

Casing Head and Spools

Compressor Blocks

Dual Valve Bodies

Frac Pump Blocks

Mud Pump Blocks

Subsea Valves

Refinery & Oil Well Equipment Fabrication Capabilities

At Pen, our industry experts are capable of custom fabricating, welding and machining your oil well and refinery project to your specific requirements. As a vessel fabrication company serving oil and gas fabrication companies and refinery operators, we fabricate everything in-house — from raw material through welding, machining, and finishing — so your oil and gas parts project has one point of accountability from design to delivery. Some of these capabilities include:

Frequently Asked Questions

Oilfield equipment fabrication is the custom design, welding, and machining of parts and equipment used in oil and gas production — pressure vessels, valve bodies, pump blocks, and casing components — built to the tolerances and field conditions oil and gas operations require.

Pen Manufacturing fabricates oil and gas industry parts including pressure vessels, casing heads and spools, compressor blocks, dual valve bodies, frac pump blocks, mud pump blocks, and subsea valves, for surface, subsea, and petrochemical/refining operations.

Yes. Pressure vessel fabrication is one of Pen Manufacturing's core oil and gas fabrication capabilities, alongside casing heads, valve bodies, and pump blocks, custom designed and built in-house.

Yes, Pen Manufacturing has experience manufacturing equipment components used in both surface and subsea oil and gas production, including subsea valves.

Pen Manufacturing's quote process accepts NDA and requirements documents alongside your CAD files, so your design data can be covered by a signed NDA before it's reviewed.

Pen Manufacturing fabricates oil and gas parts in aluminum, carbon steel, and stainless steel, using in-house CNC machining, MIG/TIG welding, and structural steel fabrication.