Now that Admrial Allen has officially confirmed that the dead Macondo well is in fact dead, what is the legacy of the relief well?
- The relief well was Macondo’s opposite – a technological marvel that was flawlessly planned and precisely drilled without incident.
- The relief well verified new sensing and ranging tools for locating a well.
- The relief well contributed to the “burial” of Macondo by further cementing and pressure testing the annulus
- Perhaps most importantly, the relief well provided further confirmation that Macondo flowed inside the production casing and not in the annulus surrounding that casing. Was this an unstated BP objective in supporting the decision to complete the intercept operation? Remember that after the top kill cementing operation killed the well, BP requested that the Unified Command “consider foregoing the relief well.” This was an appropriate request since the annulus could have been secured through conventional plugging and abandonment practices. Whether or not BP changed positions on the intercept, the completion of that operation seems to have helped the BP legal defense. Misinterpreting negative pressure tests, missing signs of flow, and mis-routing that flow would seem to be more defensible than improperly designing the well, ignoring centralizer recommendations, and foregoing the cement bond log.
I share your concern. Unlike the The Washington Post, the Baton Rouge, Louisiana newspaper probably would see it the same way. You deserve gratitude for this.