Waterdraw & Calibration Services

Reference Engineering is the Industry Leader in Pipe Prover Calibration & Waterdraw Services.

We provide calibration services for all makes, models, sizes, and styles of meter provers and volumetric provers.

Reference Engineering provides on-site waterdraw calibration and measurement consulting services throughout North America. Our head office is based out of Calgary, Alberta, Canada with our US resources currently staged out of Tulsa, Oklahoma.


Our Calibration Services include

Our technicians and engineers are hands on. We are equipped to assist customers with all aspects of the calibration process:


Calibration processes follow procedures and methods described by the American Petroleum Institute (API MPMS standards), by Measurement Canada, International Organization of Legal Metrology (OIML), and/or the National Institute of Science and Technology (NIST). Certificates from Reference Engineering detail the customer requested or standard methods used for each calibration.

Equipment utilized by out technicians and engineers maintain a current and valid unbroken chain of traceability to national standards held by Measurement Canada, the National Research Council and/or the National Institute of Science and Technology (NIST). The accuracy and uncertainty of our standards and related equipment are designed to ensure strict adherence to manufacturer, industry, and regulatory requirements.

The calculations performed by Reference Engineering are aligned with Industry and are confirmed and verified by professional engineers.  Our reports are professionally authenticated to provide our customers with a high level of assurance and correctness.