The Phillips Petroleum Explosion Thirty Years Later: Remembering the Lessons from This Incident Today

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    Conference Presentation
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    AIChE Member Credits 0.5
    AIChE Members $19.00
    Employees of CCPS Member Companies Free
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    AIChE Undergraduate Student Members Free
    Non-Members $29.00
  • Conference Type:
    AIChE Spring Meeting and Global Congress on Process Safety
  • Presentation Date:
    August 21, 2020
  • Duration:
    20 minutes
  • Skill Level:
    Intermediate
  • PDHs:
    0.40

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October 23, 2019 marked the thirty-year anniversary of a devastating fire and explosion that claimed the lives of 23 workers at a major chemical plant in Pasadena, Texas. That explosion, which occurred at the Phillips 66 Houston Chemical Complex (HCC) on the Houston Ship Channel, helped modernize process safety and risk management programs in the United States. However, industry's pursuit of safe process design and operation started long before the explosion in 1989. In addition, process safety and risk management thirty years ago was much different from what it is today. For example, in 1989 there were no process safety engineer roles in industrial divisions. Neither were there any process safety coordinators directing site compliance activities for process safety principles or regulations. In fact, the United States regulation for Process Safety Management (PSM) was under development in 2989 and was not issued until 1992.

Unfortunately, significant incidents resulting in fatalities, injuries, environmental damage, and property loss have continued over the last thirty years. The refinery fire and explosion in Texas City, Texas (2005), the offshore rig fire, explosion, and oil spill in the Gulf of Mexico (2010), and the toxic chemical release in LaPorte, Texas (2014) are grim reminders that global process safety improvement efforts have yet to achieve the goal of preventing or minimizing the consequences of catastrophic releases of toxic, reactive, flammable or explosive chemicals.

Many employees entering the industrial workforce today are unaware of how behaviors cultivated in a production environment can inadvertently undermine the performance of a process safety program—as they did in 1989 and continue to do so today. Recognizing and changing such behaviors requires understanding not only what happened, but more importantly how and why incidents like this explosion occurred. This level of understanding makes it possible to apply experience from the past to the systems we control today.

This paper describes the operating process, its complexities, and the maintenance activity which resulted in the explosion. Since the incident findings from the 1989 explosion apply today, this paper explores behaviors in today’s plants which have and could ultimately lead to more incidents if not recognized and addressed proactively.

A common issue between 1989 and today explored in this paper is the administrative control for managing maintenance-related workaround procedures on existing engineering designs. Lessons learned then that apply now include the following: adhering to safe work practices; complying with standards, policies, and regulations; managing the removal of or disabling of safeguards; and strong operational discipline across the organization (in this case, by personnel operating and maintaining the equipment).

If we are to reduce injuries, fatalities, environmental harm, and property damage, we must continue to remind ourselves why we must keep constant vigilance on our process safety risk reduction efforts each and every day.

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AIChE Member Credits 0.5
AIChE Members $19.00
Employees of CCPS Member Companies Free
AIChE Graduate Student Members Free
AIChE Undergraduate Student Members Free
Non-Members $29.00
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