4. Wells
  5. Means for guiding insertable element laterally of well axis

Evan G. Lewis

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Exit window milling assembly with improved restraining force

Wells – Means for guiding insertable element laterally of well axis
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Thread fatigue relief for tool joint

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
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Whipstock with curved ramp

Wells – Means for guiding insertable element laterally of well axis
Reexamination Certificate

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Whipstock with curved ramp

Wells – Means for guiding insertable element laterally of well axis
Reexamination Certificate

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