Diver’s Oxygen Cord Breaks On The Ocean Floor, But His Team Doesn’t Give Up On HimBy Harvey Shepherd / May 29, 2019 7. The Cord Breaks facebook.com/lastbreathdoc Unfortunately, the oxygen cord broke and Martin was left all alone on the ocean floor. He still had his helmet on which meant that he had a ten-minute emergency supply of oxygen. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20