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FIXED-CONTACT STABILIZER ABSTRACT OF THE INVENTION A drill string stabilizer in which the wall-contacting wear elements or blades are secured in their accommodating pockets by a lateral interference fit.

One embodiment includes recess-and-projection connections between end-to-end aligned, individual wear elements, the surfaces of mating parts permitting rotation.

Cap screws and locking blocks are also employed in some embodiments.

Surfaces of the locking block and the pocket permit its insertion without longitudinal movement.

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