PORTER RANCH (CBSLA/AP) – A ruptured well casing and a lack of proper safety regulations were the cause of a 2015 Aliso Canyon methane gas leak which forced thousands of Porter Ranch residents to flee ...

Equinor has completed an investigation of a well control incident on the “Deepsea Bollsta” drilling rig on 23 September 2025. The incident, which was classified in the company's highest category of ...

Equinor enforces new BOP rules following Deepsea Bollsta gas incident. Safety and swift action prevented escalation. #Equinor #SafetyFirst #DeepseaBollsta ...

Safe drilling practices include thoroughly planning an appropriate casing program to reach TD without mishap. Planning for intermediate casing strings can reduce consequences when overpressured ...

Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

U.S. Interior Department releases proposed well control regulations to ensure safe and responsible offshore oil and gas development; result of extensive consultation, evaluation after Deepwater ...

Significant casing-job planning and modeling, with a dynamic-surge model, enabled BP PLC successfully to run and cement the 135/8-in. intermediate casing, in the subsea development well Marlin SS-1, ...

Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...