Data Acquisition and Evaluation Services

We provide well-site data acquisition and evaluation services related to oil and gas production.

Methods & Technologies

Our skilled engineers utilise creative combinations of proven methods and technologies.

Our Goal

Our goal is to contribute to the success of our clients' field development.

Our Mission

We deliver real-time, cost effective, and reliable services.

Quarterback Services

Our business will be conducted with enthusiasm, and honesty to earn our clients respect and trust.

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QuarterBack has experience with onsite gas sampling and analysis, and can perform the following analyses:


Hydrogen sulphide (H2S)

  • Dräger tubes. Various tubes are available for analytical ranges with typical ranges are from 0.2 ppm to 7% by volume. A simple and robust method.
  • Iodometric titration, ASTM D2385. Recommended for very low concentration.

Mercaptans (R-SH)

  • Dräger tubes.
  • Iodometric titration, ASTM D2385. Recommended for very low concentration.


Carbon dioxide (CO2)

Carbon dioxide is a corrosive but stable gas. The content in natural gases can vary from a few ppm to over 90%. Analysis is performed with

  • Dräger tubes
  • Gas chromatography.

Nitrogen (N2)

Nitrogen is an inert gas which reduces the calorific value of the hydrocarbon gas. Samples are analyzed in the laboratory using gas chromatography with a thermal conductivity detector (TCD).

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