4. Wells
  5. Expansible anchor or casing
  6. Expansible means translated by wedge or cam

Klaas Zwart

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Centraliser

Wells – Guide for device or conduit – Surrounding existing device or tubing
Patent

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Device for temporarily sealing a pipe

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent

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Downhole lock assembly

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Patent

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Quick-locking connector

Joints and connections – Distinct end coupler
Patent

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Wireline jar

Wells – With jar means for releasing stuck part
Patent

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Profile ID: LFUS-PAI-P-806161

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