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Control line blow out preventer

Wells – Automatic
Patent

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Control system for governing in-situ removal of subterranean hyd

Wells – Automatic
Patent

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Control system for well heating by steam

Wells – Automatic
Patent

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Controlled gas-lift heat exchange compressor

Wells – Automatic
Reexamination Certificate

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Device for detecting water in product-only pump flow stream

Wells – Automatic – Float controlled valve
Reexamination Certificate

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Device for regulating the rate of flow of water which is separat

Wells – Automatic
Patent

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Device for separating and extracting components having different

Wells – Automatic
Patent

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Dewatering apparatus

Wells – Automatic
Patent

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Digital-hydraulic well control system

Wells – Automatic
Reexamination Certificate

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Down-hole blow-out preventers

Wells – Automatic
Patent

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Downhole flow control devices

Wells – Automatic
Patent

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Downhole flow control devices

Wells – Automatic
Reexamination Certificate

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Downhole flow control devices

Wells – Automatic
Reexamination Certificate

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Downhole flow control devices

Wells – Automatic
Reexamination Certificate

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Downhole flow control in multiple wells

Wells – Automatic
Patent

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Downhole force generator and method

Wells – Automatic
Reexamination Certificate

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Downhole gas separator

Wells – Automatic – Float controlled valve
Patent

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Downhole mobility and propulsion apparatus

Wells – Automatic
Patent

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Downhole pump with pressure limiter

Wells – Automatic
Patent

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Drilling choke pressure limiting control system

Wells – Automatic
Patent

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