The thread connection's root fillet radius of 0.038$ size is the greatest weakness of the API NC type joints and thread. During the slimehole drilling, especially in the deep and ultra-deep gas well, ...
HOUSTON, March 22, 2022 (GLOBE NEWSWIRE) -- Texas Steel Conversion (TSC) is excited to announce that it has purchased the intellectual property, patents, associated trademarks, licenses, and other ...
Lincoln has been producing flexible composite drill pipe for short-radius, horizontal drilling since 1991. Its nominal 2.375 inch /60.3 mm (OD), 30 ft/9m long pipe shaft is filament wound with 12K ...
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