Who We Are

Experience Built For Real-World Gas Plant Challenges

We are the Gas Plant Nerds™, a team focused on solving real-world gas processing challenges with practical, buildable solutions.

Our Experience

Members of the DOCo team have contributed to the engineering, design, procurement, fabrication, and execution of more than 150 gas processing plants.

Our team includes professional engineers across chemical, mechanical, and electrical disciplines, supported by experienced designers, project managers, procurement specialists, quality professionals, and field personnel.

That breadth of experience allows us to look beyond individual equipment packages or engineering disciplines and consider how a solution will perform across the entire facility—from process conditions and equipment layout to fabrication, installation, startup, and long-term operation.

Core Values

Our core values are rooted in innovation, integrity, and collaboration. We are committed to delivering exceptional results through cutting-edge solutions, ethical practices, and a united team effort.

Our Team

Meet the Gas Plant Nerds who bring DOCo’s natural gas processing solutions to life. Our team’s experience spans process and detailed engineering, plant operations, equipment design, drafting, procurement, fabrication, quality management, project execution, construction support, commissioning, and startup. Different specialties. One connected team. One shared commitment to helping customers solve real-world gas plant challenges.

Derrick Oneal, PE

Founder & President

Derrick brings more than 22 years of experience in designing gas processing plants. Over his career he has been instrumental…

Jake Rader, PE

Vice President of Engineering

Jake brings a wealth of experience with over 14 years in both design and operation of natural gas processing plants. His operations…

Daniel Brown

Vice President of Operations

Daniel brings more than 14 years of engineering and project management experience to the company. His process…

Clay Grogan, PE

Process Engineering Manager

Clay brings more than 14 years of specialized experience in gas processing plants. He has an extensive background in…

Helen Gross

Director of Business Development

Helen brings more than 20 years of experience in the oil and gas sector, including over 14 years specializing in midstream…

Clint Pollard

Director of Strategic Partnerships
Clint brings more than 18 years of experience in the gas processing and energy sectors. As Director of Strategic Partnerships…

Justin Elder, PE

Electrical Engineering Manager

Justin brings more than 20 years of Electrical and Instrumentation Engineering experience in the Oil and Gas industry. Since…

Cody Warren

Senior Mechanical Engineer

Cody is a seasoned Mechanical Engineer with over 10 years of experience specializing in pressure vessel design and…

Matthew “Goldie” Hensinger

Quality Manager

Matthew brings over three decades of industry experience to the company…

Josh Travis

Drafting Manager

Josh brings over 20 years of experience in design and drafting, with a focus on piping and structural design…

Brad Lowe

Senior Lead Designer

Brad brings over three decades of experience in gas plant layout and design, beginning in the 1990s…

Connect With Us

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Derrick Oneal, P.E.

Founder & President

Derrick brings more than 22 years of experience in designing gas processing plants. Over his career he has been instrumental in designing over 150 treating and processing plants. Since founding the Derrick Oneal Company in 2019, he has utilized his extensive knowledge to develop state-of-the-art solutions in the midstream industry.

Derrick earned a Bachelor of Science in Chemical Engineering from the University of Tulsa, where he contributes to the Chemical Engineering Advisory Board.

Jake Rader, P.E.

Vice President of Engineering

Jake brings a wealth of experience with over 14 years in both design and operation of natural gas processing plants. His operations experience has deepened his knowledge and understanding of the needs of our midstream customers. All this makes Jake an asset in delivering innovative solutions to the midstream industry.

Jake earned a Bachelor of Science in Chemical Engineering from the University of Tulsa.

Daniel Brown

Vice President of Operations

Daniel brings more than 12 years of engineering and project management experience to the company. His process engineering background makes him instrumental in coordinating midstream project execution, including debottlenecking studies and custom equipment projects.

Daniel earned a Master of Engineering in Chemical Engineering from the University of Tulsa and a Bachelor of Science in Chemistry from Missouri State University.

Clay Grogan, P.E.

Process Engineering Manager

Clay brings more than 14 years of specialized experience in gas processing plants. He has an extensive background in addressing operational challenges and optimizing plant performance with valuable troubleshooting expertise. His knowledge and experience contribute significantly to advancing the company’s engineering and processing capabilities.

Clay earned a Bachelor of Science in Chemical Engineering from the University of Tulsa.

Helen Gross

Director of Business Development

Helen brings more than 20 years of experience in the oil and gas sector, including over 14 years specializing in midstream operations. Helen has a proven track record in spearheading sales efforts, managing key customer relationships, and overseeing product development. Her expertise and leadership continue to drive success in the company’s business development efforts.

Helen earned a Bachelor of Engineering with a concentration in Mechanical Engineering from John Brown University.

Clint Pollard

Director of Strategic Partnerships

Clint brings more than 18 years of experience in the gas processing and energy sectors. As Director of Strategic Partnerships, he draws on his extensive background in procurement, fabrication, logistics, and project execution to build strong relationships with customers, suppliers, and industry partners.

His experience spans major equipment procurement, pipe, valves and fittings, instrumentation and electrical materials, pressure vessels, skid assembly, and outsourced piping and structural fabrication. Clint also has more than a decade of experience coordinating the transportation of towers, skids, and other over-dimensional equipment to project sites.
With a practical understanding of the full project lifecycle, Clint helps connect customers with the right people, resources, and solutions to support successful project execution and long-term partnerships.

Clint earned a Bachelor of Science in Business Administration from The University of Tulsa.

Justin Elder, P.E

Electrical Engineering Manager

Justin brings more than 18 years of Electrical and Instrumentation Engineering experience in the Oil and Gas industry. Since obtaining his professional engineer license in 2009, Justin has led numerous high-profile projects, including the design and implementation of complex systems for major companies. His extensive expertise encompasses low and medium voltage power systems, control panel design integration, as well as instrumentation specification and design.

Justin earned a Master of Science in Control Systems Engineering and a Bachelor of Science in Electrical Engineering, both from Oklahoma State University.

Cody Warren

Senior Mechanical Engineer

Cody is a seasoned Mechanical Engineer with over 10 years of experience specializing in pressure vessel design and analysis. His expertise in engineering mechanical systems and equipment enables the company to deliver tailored, innovative solutions for our midstream clients.

Cody earned a Bachelor of Science in Mechanical Engineering from Oklahoma State University.

Matthew “Goldie” Hensinger

Quality Manager

Matthew brings over three decades of industry experience to the company, beginning his career in fabrication before transitioning into quality management, where he has spent the past 18 years. His extensive background makes him a key asset in overseeing quality programs across all project phases, from design and fabrication to onsite construction and commissioning.

Matthew holds several key qualifications, including Certified Welding Inspector (CWI), ISO 9001 Auditor, and Six Sigma Green Belt. His comprehensive understanding of quality systems and industry codes ensures the consistent delivery of compliant, high-performance solutions across diverse oil and gas projects.

Josh Travis

Drafting Manager

Josh brings over 20 years of experience in design and drafting, with a focus on piping and structural design. He developed his oil and gas expertise through roles with industry leaders such as ONEOK Partners, Air Products, and Linde Process Plants. Leveraging his advanced CAD expertise, Josh has developed a streamlined drafting approach that minimizes human error and enables fast, accurate deliverables to meet client schedules.

Josh received his education in drafting and design from Tulsa Community College and Central Area Vo-Tech.

Brad Lowe

Senior Lead Designer

Brad brings over three decades of experience in gas plant layout and design, beginning in the 1990s with TH Russell Company and later with Thomas Russell Company.
His portfolio includes designs tailored to the challenging terrain of the Marcellus Shale, as well as standard plant configurations adaptable to a wide range of customer needs.

Brad’s legacy knowledge and versatile design approach make him a valued resource for our clients and the Derrick Oneal Company team.