Sentence examples for faulty cement from inspiring English sources

It also accuses Halliburton of installing faulty cement barriers.

The report emphasizes that faulty cement was only one of a cascade of events, including the failure of the blowout preventer.

"It's implausible that Halliburton only would give faulty cement to one operator, or that Transocean would fail to detect a faulty rig on only one operator's platform," Mr. Reilly said.

Last fall, researchers at Cornell University compiled data from Pennsylvania regulators' reports to confirm failure rates due to faulty cement and/or casing of 6 to 8.9 percent each year since 2010.

In an internal investigation, BP identified the faulty cement job as one of the main factors contributing to the accident and blamed Halliburton, the cementing contractor on the Macondo well, as the responsible party.

But the failure of the blowout preventer was only one in what investigators have said was a series of causes of the disaster, including shortcomings in the well design, a faulty cement job and errors of judgment by drilling managers and crew members.

The bore was created and it was the faulty cementing or plugging of that hole that has been cited as one of the causes of the explosion.

"Because it may be anticipated that a particular cement job may be faulty, the oil industry has developed tests, such as the negative pressure test and cement evaluation logs, to identify cementing failures," he wrote.

Halliburton, which has come under intense scrutiny in investigations for the faulty design and construction of the cement seal at the bottom of the well, is not listed in the suit.

Documents put before the House of Representatives's energy and commerce committee suggest BP, Transocean which owned the rig, and Halliburton which cemented the well, ignored indications of faulty safety equipment before the 20 April explosion.

BP and Congressional investigators have raised questions about the cementing, suggesting that the seal might have been faulty and failed to keep gas from rising up in the well.