4. Wells
  5. Guide for device or conduit
  6. Surrounding existing device or tubing

Manfred Jansch

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Apparatus for retaining two strings of tubulars

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus for retaining two strings of tubulars

Wells – Expansible anchor or casing – Liner hanger
Reexamination Certificate

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Apparatus for testing connections between pieces of piping for i

Measuring and testing – With fluid pressure – Clamp – plug – or sealing feature
Patent

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Apparatus for testing the gas-tightness of a joint between hollo

Measuring and testing – With fluid pressure – Leakage
Patent

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Apparatus for testing the gas-tightness of joints between hollow

Measuring and testing – With fluid pressure – Leakage
Patent

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Profile ID: LFUS-PAI-P-44277

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