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BEGIN:VEVENT
DTSTAMP:20261012T210905Z
LOCATION:Summit Pavilion
DTSTART;TZID=America/Los_Angeles:20261021T173000
DTEND;TZID=America/Los_Angeles:20261021T183000
UID:HFESAM_ASPIRE 2026_sess257_POST492@linklings.com
SUMMARY:Enhancing Offshore Energy Safety: Systematic Root Cause Investigat
 ion of a Large Set of Offshore Drilling Incidents Using the AcciMap Framew
 ork
DESCRIPTION:Hrutwik Tambe, Akram Pattan, and Maryam Tabibzadeh (California
  State University, Northridge)\n\nOffshore drilling remains a safety-criti
 cal operation in which loss of well control, kicks, and blowouts continue 
 to occur despite technological and regulatory advances. This study applies
  Rasmussen’s AcciMap framework to investigate socio-technical contributors
  across more than 432 offshore drilling incidents from 2000 to 2023. Incid
 ent reports are reviewed, and contributing causes are allocated across six
  hierarchical AcciMap layers: government and regulatory bodies, industry c
 odes and standards, company, management, staff, and physical work processe
 s. To support scalable analysis, a structured large language model-assiste
 d extraction process is used to identify contributing factors with expert-
 validated accuracy. Rather than developing separate maps for individual in
 cidents, this study synthesizes all causal factors into an aggregated Acci
 Map, enabling identification of recurring systemic risk patterns across ex
 ploration drilling, development drilling, and well completion operations. 
 Results indicate that the human/staff layer is the most frequently represe
 nted causal level, including delayed kick detection, inadequate monitoring
 , misinterpretation of integrity tests, procedural noncompliance, and comm
 unication failures. However, these factors are strongly shaped by upstream
  organizational, managerial, and regulatory conditions, including weak man
 agement of change, unclear procedures, inconsistent enforcement, and contr
 actor-operator interface challenges. The findings demonstrate the value of
  systems-based human factors methods for large-scale offshore risk assessm
 ent and socio-technical safety interventions.\n\n
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