4. Wells
  5. Above ground apparatus
  6. Inner member anchor or seal with valve

Robert O. Lilley

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Annulus sliding sleeve valve

Wells – Above ground apparatus – Inner member anchor or seal with valve
Patent

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Concentric tubing hanger

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Horizontal tree block for subsea wellhead and completion method

Wells – Submerged well – Wellhead
Patent

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Insert tree

Wells – Submerged well – Wellhead
Patent

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Rotating and indexing mechanism

Machine element or mechanism – Mechanical movements – Oscillation or reciprocation to intermittent unidirectional...
Patent

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Profile ID: LFUS-PAI-P-314611

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