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Unformatted text preview: e Transocean crew or personnel onshore. Given the importance of the production casing cement job to the integrity of the well, access to OptiCem data was critical to allowing the rig crew to fully understand the risks. C. Gas Flow Potential BP witnesses testified that they were not aware of, nor did they review, the gas flow potential calculations included in the OptiCem model report. Brett Cocales, a BP operations engineer, testified that he was “not familiar with gas flow as it relates to cementing.” 101 Testimony from BP personnel demonstrated that they did not fully understand the gas flow potential outputs reflected in the OptiCem models and instead only considered the ECD charts in evaluating the cement model results. 102 In the OptiCem models, gas flow potential higher than seven is typically considered severe. Despite the severe gas flow potential indicated by its April 18 OptiCem model, Halliburton employees provided the following testimony demonstrating that they believed the OptiCem models did not raise immediate safety concerns: Testimony of Brett Co...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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