Detailed text transcripts for TV channel - CNN - 20100501:21:04:00
>> you mentioned a moment ago, the government is wanting answers from hal burtliburton f capping this leak. what can we expect there? >> reporter: henry waxman asked halliburton for all of the documents relating what it is doing in the cementing operation. the cementing operation essentially encloses the casing and prevents leaks, prevents -- it fastens the casing on to the hole at the bottom of the ocean to prevent gas and fuel from spewing upward and causing an explosion like this. halliburton, they had personnel on the rig at the time this he were doing cementing operations, halliburton sai...
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