A paper, published in ACS Omega, investigates the piezoelectric effect of roof deformation and fracture sparking the methane qualities to provide accurate ideas for the prevention and management of gas explosions in the gob.
the disaster. exploring these and related questions today will help us identify for congress and identify for the country what went wrong on april 20th, and the dates thereafter and while we are investigating a picture of a chain of events leading to the incident is emerging. mr. chairman, you and chairman waxman recently outlined critical question we hope mr. hayward will address, for example you noticed the investigation has identified questionable choices by bp engineers to use a particular well design over another one that would appear to have provided more built-in barriers to an uncontrolled gas discharge. there was the choice made by bp to move forward with what appears to be an inadequate cementing plan and the related failure despite clear warnings to test if the cement was properly set and in place and it appears there may have been a rush to move off the well.