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 ...

Casing wear remains a critical issue in oil and gas well operations, particularly as wells become deeper and more deviated. Research in this field focuses on elucidating the mechanisms of wear that ...

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 ...

A casing-conveyed perforating and integral flapper valve system proved effective in developing stacked pay Beluga sands in the Kenai gas field in Alaska's Cook inlet. This well completion method ...

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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 ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...