We deliver stronger operational results in every aspect of upstream operations.
We are subject matter experts with a proven track record in site planning and execution to generate faster, safer, and more successful operational results.
Through our high-performance team of experienced engineers and operators, we anticipate and prevent operational complexities on your worksites.
GDP services provide a better experience to our customers, because we optimize drilling performance and mitigate risk at every step. If you need to augment your team with qualified, experienced people or need services you don’t have in house, we are ready to help.
A Technical Company Man combines the roles of a drilling support engineer and traditional oilfield company man. They are technical, degreed, well-written, and tech savvy with the onsite experience you need to keep the train on the tracks.
Managing Partner & Founder
John Hopkins is the founder and managing partner of GDP, with more than 14 years of experience in the oil and gas industry. As a subject matter expert, he and his team have helped hundreds of companies unlock the potential in challenging operations.
Operations Manager & Partner
Steve Garrison is GDP’s Operations Manager, overseeing program creation, well-site operations, and start-up obligations for operators. He has 24 years of industry experience and is also a subject matter expert in open hole completion systems, workover and remediation tools, liner hangers, and packer systems.
Cody Martin is a senior partner with GDP, responsible for overseeing completions and drilling operations for their clients. Cody’s ten years of experience make him an expert in site planning and engineering, cementing, and completions.
Recruiting & Personnel Manager
Chelce Rouse is the Recruiting & Personnel Manager at GDP. She oversees recruitment and retention for contract personnel. She is also an expert at acquiring the oil and gas knowledge necessary to best suit ever-changing customer needs.
Business Development, Sales & Marketing
Billy Jackson is an experienced business development professional, with more than 12 years of oil and gas experience. In addition to his experience in project management and downhole services, Billy also oversees sales and marketing efforts for GDP.
Engineer & Special Projects
Evgeny Dolgushin is one of GDP’s drilling engineers with more than 20 years of experience. As an onsite support engineer, Evgeny oversees program creation, engineering design analysis, well-site best practices, and more.
Marilyn Blevins is the Administrative Assistant for GDP, working out of Tulsa. Her 40 years of oil and gas experience, attention to detail, and positive attitude make her essential to everyday operations.
Engineer & CCUS Domain Champion
David Odungide is a GDP engineer with more than 25 years of experience providing technical, project management and onsite support to challenging drilling, completions and production projects. David oversees the Carbon Capture, Utilization and Storage (CCUS) program from conceptual design, permitting through execution, including value creation optimization.
Tom Dunn is one of GDP’s foreman and is an expert in urban, geothermal, and offshore drilling and completions. With 25 years of industry experience, Tom has spent his career building and refurbishing diesel and electric rigs from scratch across the United States.
David is an experienced marketing and creative professional with more than 15 years of marketing, branding and campaign experience. He is very creative and strategic and adds a fresh and innovative style to the GDP team.
Melanie Fitzgerald is the office manager assisting operations, managing vendor compliance, employee benefits, and commercial insurance.
Engineer / Company Man
Luke Bremer is GDP’s newest Engineer who recently graduated from the University of Tulsa with a Petroleum Engineering degree. He supports engineering operations both in the office and field with roles ranging from rig clerk to ERD Support Engineer Internationally. Luke’s can-do approach and interest for the industry makes him a great addition to the GDP team.
We can’t create success for you without having the best on board, so we ensure all of our employees and contractors meet those standards