A new tapered bearing assembly, developed specifically for roller-cone rock bits, significantly increased bit life for a Middle Eastern operator. This technology can help oil and gas customers avert ...
CARROLLTON, Texas--(BUSINESS WIRE)--Varel International, the leading independent manufacturer of drill bits and global supplier to the drilling industry, recently completed a massive 44” steel-toothed ...
In the first part of this series, published last week (OGJ, Feb. 4, 2008, p. 46), we began to show how roller cone bit design analysis can predict cone behavior, with heel teeth having equal pitch.
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