![One of the columns of the badly listing P-36 oil rig owned by Brazilian oil giant Petrobras is seen completely submerged (Lower L) on March 18, 2001. Petrobras authorities said the world's One of the columns of the badly listing P-36 oil rig owned by Brazilian oil giant Petrobras is seen completely submerged (Lower L) on March 18, 2001. Petrobras authorities said the world's](https://c8.alamy.com/zooms/9/509d8dbd2f654469b0c2c88b71e09d2b/2d3mfrt.jpg)
One of the columns of the badly listing P-36 oil rig owned by Brazilian oil giant Petrobras is seen completely submerged (Lower L) on March 18, 2001. Petrobras authorities said the world's
![steel, high strength steel, crash, failure, embrittlement, materials science, material failure, crack, hydrogen, hydrogen-embrittlement steel, high strength steel, crash, failure, embrittlement, materials science, material failure, crack, hydrogen, hydrogen-embrittlement](https://www.dierk-raabe.com/s/cc_images/teaserbox_2454823283.jpg?t=1425767407)
steel, high strength steel, crash, failure, embrittlement, materials science, material failure, crack, hydrogen, hydrogen-embrittlement
![File:Thunder horse, oil platform, sinking, July 2005 U.S. Coast Guard picture.jpg - Wikimedia Commons File:Thunder horse, oil platform, sinking, July 2005 U.S. Coast Guard picture.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Thunder_horse%2C_oil_platform%2C_sinking%2C_July_2005_U.S._Coast_Guard_picture.jpg/1024px-Thunder_horse%2C_oil_platform%2C_sinking%2C_July_2005_U.S._Coast_Guard_picture.jpg)