WCR - Well Control Rule

WCR Notifications Received by Month
Note:
  • The initial Well Control Rule took effect on July, 28th 2016. Please follow the link to view more details BSEE’s Well Control Rule.
  • Data is based on the submission date of a notification.
Summary Statistics of Reported Events

Note: Data is based on the event date of a notification.
Reported Root Causes of WCR Events
Note:
  • Data is based on the event date of a notification.
  • The WCR notification form allows for only one root cause of an event.
Type of Failure Reported of WCR Events
Note: Data is based on the event date of a notification.
Reported Detection Methods of WCR Events
Note: Data is based on the event date of a notification.
Root Causes of Events on the BOP Stack (04/2019 - 04/2020)

Note: Data is based on the event date of a notification.
BOP – blowout preventer
Root Causes of Events on the Choke Manifold System (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.
Root Causes of Events on the BOP Controls Secondary ROV Acoustic (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.
BOP – blowout preventer ROV – remotely operated vehicle SPM – sub-plate mounted valve
Root Causes of Events on the Diverter System (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.
Root Causes of Events on the BOP Controls Emergency Automated Functions (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.
BOP – blowout preventer EDS – emergency disconnect sequence EHBS – emergency hydraulic back-up system SPM – sub-plate mounted valve
Root Causes of Events on the BOP Controls (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.
BOP – blowout preventer DRG – pilot operated, pressure regulating HPU – hydraulic power unit MUX – multiplex PBOF – pressure balanced, oil-filled
SPM – sub-plate mounted valve UPS – uninterruptible power supply
Root Causes of Events on the Riser System (04/2019 - 04/2020)
Note: Data is based on the event date of a notification.