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 ...

The casing lines the wellbore, keeping it insulated while protecting the soil and groundwater around it from being contaminated by mud, fracking fluids, and more. It is built to resist high loads and ...

ConocoPhillips, Tesco Corp., and Schlumberger Ltd. successfully tested rotary-steerable casing drilling in South Texas, combining directional drilling technology with casing drilling. "Each of these ...

WASHINGTON (Reuters) - BP Plc installed a type of cement casing on its now-ruptured undersea well that it knew ran the risk of leaking gases in order to save money, The New York Times reported on ...