New stabilizer for bicenter drillbitsThis two bladed, full hole stabilizer has been developed for bicenter drillbits.The V-Stab has no moving parts and is designed using bicenter geometry. Use of bicenter geometry allows the stabilizer to pass through a smaller hole, but stabilize the string in a larger hole, reducing the detrimental effects of string vibrations. Normally, the firm says, when stabilizers are used with a bicenter bit, the maximum stabilizer diameter is the pass through (casing drift) size. When string vibrations occur, an undersized stabilizer can move in all directions, but does help reduce how far the string can move in any direction. However, string vibrations will be w...

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