Smarter Solutions For Real-World Gas Plant Challenges

From new facilities and customized equipment to capacity expansions and operational improvements, DOCo helps midstream operators move projects forward with confidence. Our Gas Plant Nerds™ provide engineering, design, equipment, fabrication, and field installation support built around how gas plants are actually constructed and operated.

More Than A Design.
A Solution That Works.

A successful gas processing project must do more than meet the process conditions. It must fit the site, support operations, remain constructible, and make commercial sense.

That is where DOCo’s Gas Plant Nerds™ bring value. We combine decades of natural gas processing experience with multidisciplinary engineering, equipment knowledge, and field execution support to develop solutions tailored to each customer’s priorities.

One Team. Connected Capabilities.

From early engineering through field execution, DOCo provides the technical knowledge, equipment expertise, and project support needed to develop practical gas processing solutions.

Equipment Solutions

Cryogenic, Amine, Stabilization, Refrigeration, and Dehydration Plants.

Engineering Solutions

Design, Drafting, FEED, Capacity, PSV Studies, and more.

Turnkey Solutions

We partner with industry-leading construction and installation teams to provide a one-stop shop solution.

Experience That Extends Beyond The Drawing Board

We leverage our extensive technical expertise while engaging with key partners and equipment suppliers to provide quality, cost-effective, and on-time gas processing plants and service solutions.
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Staffed professional engineers, including chemical, mechanical, and electrical disciplines.
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Years of process engineering for natural gas plant designs.
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Plants engineered, designed, drafted, procured, and fabricated by members of our team.

Who Are The Gas Plant Nerds™?

The Gas Plant Nerds are the engineers, designers, equipment specialists, project professionals, procurement experts, quality personnel, and field-support team behind Derrick Oneal Company’s natural gas processing solutions.
We understand that the right solution is not always the most complicated one. It is the one that meets the process requirements, works within the available footprint, supports the operators, and can be executed successfully.

Because Every Great Gas Plant Starts With Great Nerds.

See The Gas Plant Nerds™At Work

From high-capacity treating facilities and new refrigeration equipment to capacity studies and creative brownfield solutions, DOCo helps customers get more from their gas processing assets.

Equipment Solutions

400 MMSCFD Gas Treaters

Location | Texas

Status: Installed and Operating

Scope: Customer utilizing two DOCo pre-engineered 1500 gpm Amine Regen Units to treat CO2 out of 800 MMSCFD of gas.

Equipment Solution

4500 HP Refrigeration Unit

Location | New Mexico

Status: Delivery Scheduled Q1 2027

Scope: DOCo is providing a 4,500 HP refrigeration unit designed to integrate with a customer-provided cryogenic processing plant.

Engineering & Design Solutions

Repurpose Equipment

Location | Louisiana

Scope: Engineering, design and drafting project to repurpose customer owned equipment for use in two contractor areas. 

Engineering & Design Solutions

Cryogenic Plant Capacity Studies

Location | Multiple Basins

Scope: DOCo has performed more than 25 capacity studies for nominal 200 MMSCFD cryogenic plants, evaluating opportunities to increase facility capacity to as much as 260 MMSCFD.