Experience

My experience with operating plants spans facilities in the petrochemical, gas processing, upgrading, and SAGD industries. Knowledge gained in one type of facility has proven invaluable for other facilities.  For example, controlling fired equipment that consumes variable heating-value gas is common in all facilities.  The shrink and swell phenomena that is observed in a utility drum boiler can be applied to the once through steam generators in a SAGD facility.  Multicomponent ionic equilibria apply to the absorption of acid gases in a caustic contactor, the solubility of H2S in bicarbonate buffered SAGD produced water, or even the prediction of scaling in a safety shower.

Kevin Dorma. Ph.D., P.Eng. (AB)

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One niche area is the application of hydraulic modeling to develop more robust process control applications.  Process control applications often fail because the process behaviour changes: misunderstood hydraulic interactions cause the process behaviour to change.  Incorporating the hydraulic behaviour can be as simple as selecting valve with a linear trim, where common practice would dictate an equal percent trim.  Or by revising PID tuning constants based on operating conditions.  The result is reliable operation of a process, over a wider operating range.

My guiding premise for safety systems is that the entire process must be functional and reliable, and must manage upsets without causing alarms or trips.  In general, this philosophy is implemented through simple conceptual designs and control systems.  And when an incident occurs, I am keenly interested in being part of the team that performs the incident review.  Root cause assessments, and the determination of the sequence of events, is a hallmark of high-functioning, high-reliability industries.

My publications

  • Kevin Dorma, “Resolving SAGD operability problems without additional capital: A case study of getting more from existing facilities”, presented at World Heavy Oil Congress, Calgary, AB (2016).
  • Kevin Dorma, “OTSG Training Course,” presented at COSIA meeting, Calgary, AB, March 16, 2016.
  • Kevin Dorma, “Using a Computational Fluid Dynamics Model to Unlock the Potential for More Reliable Once-Through Steam Generator Steam Quality Control,” World Heavy Oil Congress, Edmonton, AB (2015).
  • Kevin Dorma, “OTSG Water Side Dynamics,” presented to the Power Engineering students at Keyano College, Ft. McMurray, Feb. 28, 2014.
  • Kevin Dorma, “The impact of blending non-condensable gas while warming up a steam pipeline,” Oil Sands and Heavy Oil Technology Conference, Calgary, AB (2013).
  • Kevin Dorma and Dave Shook, “Reliability by Design – A new approach to SAGD steam systems,” Oil Sands and Heavy Oil Technology Conference, Calgary, AB (2011).
  • Kevin Dorma, Dave Shook and Brent Mitchell, “Benefits of innovative control strategies for SAGD- increasing steam capacity on OTSG resulting in high ROI and capital avoidance,” World Heavy Oil Congress, Edmonton, AB (2011).
  • Kevin Dorma, “Understanding the Steam Side Dynamics of Once Through Steam Generators,” Oil Sands and Heavy Oil Technology Conference, Calgary, AB (2009).

 
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