Source: https://www.hinterlandvoice.com.au/bp-was-aware-of-cracks-in-the-well-before-it-happened
BP was aware of cracks appearing in the Macondo well as far back as February, right around the time Goldman Sachs and BP Chairman Tony Hayward were busy dumping their stocks in the company on the eve of the explosion that led to the oil spill, according to information uncovered by congressional investigators.
The Mining and Mineral Services agency released documents to Bloomberg indicating that BP “was trying to seal cracks in the well about 40 miles (64 kilometers) off the Louisiana coast,” according to the report.