1
Halliburton performed cementing work on the well that ruptured on April 20.
2
Transocean Ltd owned the drilling rig and Halliburton Co performed cementing work.
3
Transocean Ltd RIG.N owned the drilling rig and Halliburton Co HAL.N performed cementing work.
4
Halliburton handled the cementing work on the well.
5
The CSB findings make no criticism of Halliburton Co HAL.N, the contractor that did the cementing work for the well.
6
In January, Halliburton disputed a U.S. presidential commission's characterization of its cementing work on the blown-out well, saying that the report omitted key facts.