Lab services
Hydrocarbon analysis
Accurate analysis. Fast turnaround. Total confidence.
Our experienced team and laboratories can handle anything from a single urgent sample to a full company-wide testing schedule. Our Louisiana lab holds LELAP accreditation, guaranteeing that all methods, including GPA-2261 and GPA-2286, meet the highest standards of accuracy, reliability and regulatory compliance.

BTU analysis
C6+ and GPA-2261 analysis. Natural gas analysis by gas chromatography, with sample data viewable online.
Hydrocarbon dew point determination
Developed from the results of an extended analysis; used for phase change prediction and to help determine operational parameters.
Sulphur quantification
Both sulphur speciation and total sulphur, GPA 2199.
Extended analysis
BTEX, C10+ and C14+ analysis using the GPA-2286 method.
Natural gas liquids
Standard NGL analysis C7+ (GPA-2177) and extended NGL analysis C11+ (GPA 2186).
Oil analysis
Our ASTM lab provides multiple ASTM tests on crude oil, diesel and gasoline, and engine oils and lubricants.
How it is delivered
From sample collection to full data management, our laboratories make sure your gas, liquid and sulphur analyses are accurate, compliant and delivered fast. Samples are tracked in ProTrack from the field to the result, and results flow into Assure for validation.
What you receive
- Analysis reports online, usually within days
- Sample status in ProTrack from collection to result
- Results validated automatically in Assure
What customers say
All testimonialsI had the pleasure of working with Critical Control for testing to ensure compliance with a recently published federal rule, and I’m thoroughly impressed with their exceptional field and laboratory services. Tasked with a very demanding deadline and a substantial number of testing locations, their…
When we experienced a change in staffing, we decided to explore new options for measurement record keeping. Cost savings were a priority, especially since our previous supplier required not only an annual fee but also a mandatory upgrade charge and a lengthy implementation process. I wasn’t heavily…
We are new business owners in the gas and oil industry and I cannot say enough great things about Critical Control and their team. We really enjoy the mobile app and the ability to scan in our charts and, even more importantly, to have production data at our fingertips. Our situation as a very…
