Mastering the Science of Sure

With more experience, scalability, credibility and comprehensiveness—nobody has mastered the science of hydrocarbon measurement, analysis and reporting quite like SPL.

We partner with leading operators nationwide to help prevent inaccuracies in hydrocarbon awareness across the hydrocarbon lifecycle. In fact, more than 90 percent of the world’s majors and 85 percent of America’s leading independent operators have used SPL as a trusted partner in ensuring their oilfield data integrity.

Next Gen Innovations. Old School Values.

Founded in Carthage, Texas, in 1944, SPL is considered one of the world’s most credible sources of unbiased third-party hydrocarbon insights. Keeping our focus centered on the core values of safety, integrity, innovation and service upon which our business was founded, we support operators with everything from accurate meter calibration and reporting to allocation production and data management.

And with expert laboratory personnel and field services teams at 16 strategic locations nationwide, we can ensure the quantity and quality of oil and gas assets at any scale. For more than 70 years, SPL has brought innovation and objective thought leadership to its fields—all with an unfettered commitment to getting it right for our customers.

That’s why SPL is one of the most trusted names in helping operators ensure confidence in hydrocarbon data.

Mission Statement

SPL exists to help our customers measure, analyze and report their hydrocarbon products as safely, accurately and quickly as possible. Our team is committed to safety, integrity, innovation, and service. Our management is committed to providing our staff with the right scientific tools and a learning environment which allows them to flourish and perform to their full potential.

Core Values


Commit to the safety of the environment, of those around you, and of yourself.

  • Always work thoughtfully and follow safe work practices.
  • Be willing to speak up about unsafe practices whenever you see them.
  • Constantly look for hazards to yourself, to others, and the environment.
    • When in doubt, stop and ask.

Do the right thing, even when no one is looking.

  • Always be honest, direct, and respectful.
  • Own up to mistakes without fear of reprisal.
  • Do not misrepresent yourself for personal gain.

Don't be scared to try something new; fail or succeed, you always learn.

  • Look beyond the obvious, recognize areas of improvement, and take action.
  • Innovate in what we do, but also how we do it; seek conformance with efficiency.
  • Embrace continuous development of yourself and others; leverage technology.

When employees want to work here, customers will want to work with us.

  • Be dedicated to exceeding the expectations of every customer, external and internal.
  • Always be positive; "we're the solution" and not part of the problem.
  • Strive to be trusted and respected by all.

W.A. “Dubb” Frier establishes the W.A. Frier Company to offer well testing services to Texas’ natural gas industry


Frier partners with Edward Patterson to introduce laboratory services; business name is changed to Southern Petroleum Laboratories (SPL)


SPL establishes locations in Houston, Texas; Carthage, Texas; and Lafayette, Louisiana


SPL incorporates


SPL develops its first measurement and production allocation project for the Sugar Bowl Pipeline Company

Late 1960s

SPL begins offering environmental services in response to the U.S. Department of the Interior’s enforcement of water discharge regulations in the Gulf of Mexico


SPL opens facilities in St. Rose, Louisiana and Laurel Mississippi


Opens facility in Traverse City, Michigan and relocates the St. Rose facility to Belle Chasse, Louisiana.


Opens facility in Carencro, Louisiana.


SPL expands to new locations in Pearland, Texas; and Venus, Texas


SPL ceases environmental services to focus on the oil and gas industry


SPL begins offering data management services through Web-based remote monitoring


SPL opens new facility in Pleasanton, Texas, to accommodate growing Eagle Ford shale production


SPL receives patents on system and computer instructions to form an actual sales or delivery value for all components of a commingled hydrocarbon fluid stream—presenting the information simultaneously to a buyer and seller using theoretical commingled stream molecular composition


Opens new facilities in Ruston, Louisiana; Duncan, Oklahoma; and Windsor, Colorado


SPL acquires Caprock Laboratories in Midland, Texas


SPL offers mobile meter proving services in West Texas, New Mexico, and into Oklahoma through new field services facility in Midland, Texas


SPL continues expansion into Oklahoma with new facilities in Kingfisher and Meno


SPL acquires Alcor Petrolab