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 ...

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 ...

Expandable-tubular technology advances as the industry extends its application from the drilling environment, where carbon-steel expandable tubulars reduce the telescopic effects of well construction, ...

Well casing is the set of concentric steel strings run and cemented in a borehole to provide structural support, isolate formations, and create a pressure-tight conduit for drilling and production. It ...