Chinese steelmaker Baogang United Steel has independently developed a rare-earth, high-strength, high-toughness oil casing, ...

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 ...

ReconAfrica expects the wildcat to penetrate some 1500 metres of potential reservoir before reaching total depth of 3800 metres in the second half of November. Once at total depth, an extensive ...