4. Wells
  5. Means for guiding insertable element laterally of well axis
  6. Secured in operative position by movable means engaging well...

Charles D. Hailey

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Apparatus and method for downhole lubrication replenishment

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means
Reexamination Certificate

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Apparatus for internally testing a plurality of interconnected p

Measuring and testing – With fluid pressure – Leakage
Patent

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Bottom rotation shaft actuator

Boring or penetrating the earth – Below-ground impact members – Continuous unidirectional rotary motion of one telescoping...
Patent

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Clean-out tool cutting blade

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe
Patent

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Coil tubing hydraulic jar device

Boring or penetrating the earth – Below-ground impact members – Fluid-operated
Patent

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Profile ID: LFUS-PAI-P-316959

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