Some Congressional investigators who have consulted with a noted scientist are concerned about reports that the Deepwater Horizon oil rig's well casing is damaged. The fear is "we could end up with ...

A program was instrumental in assessing the causes of casing failures and remediating them in wells in the Dongguo area of northeast China. The Dongguo area is part of Daqing oil field in Heilongjiang ...

Safe drilling practices include thoroughly planning an appropriate casing program to reach TD without mishap. Planning for intermediate casing strings can reduce consequences when overpressured ...

The other day, I received an email from a representative of an international oil company, which is wholly owned by the government and reports to the Department of Energy. The email contained this ...

Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

Chinese steelmaker Baogang United Steel has independently developed a rare-earth, high-strength, high-toughness oil casing, which was used for the first time in an 8,000-meter-deep well in North China ...

Cement is a mixture of several different types of rocks, crushed and heated to very high temperatures, and then ground to a superfine dust to use in the production of concrete. Typically, cement ...