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Safety coupling for rotary down hole pump

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Safety coupling for rotary pump

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Safety disc brake assembly

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Safety valve for controlling flow in a flow conductor

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Safety valve manifold system

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Safety valve operating apparatus

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Sampling pump with packer

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Secondary recovery system utilizing free plunger air lift system

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Self-cleaning helical spring sand screen

Wells – With below and above ground modification – With below ground screen
Patent

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Shock absorber for oil well pumping unit

Wells – With below and above ground modification – Above ground actuating means for below ground device
Reexamination Certificate

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Shock absorber for oil well pumping unit

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Single string hanger system

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Storm choke

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Sub-sea well re-entry guidance apparatus

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Submersible chemical injection pump

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Submersible pump

Wells – With below and above ground modification – Eduction pump or plunger in well
Reexamination Certificate

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Submersible well probe sleeve

Wells – With below and above ground modification
Patent

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Subsea control valve apparatus

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Subsea hydraulic choke

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Subsea oil and gas production manifold system

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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