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Shutdown system for high pressure well

Wells – Automatic
Patent

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Shutting-off device

Wells – Automatic
Patent

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Stuffing box control system

Wells – Automatic
Patent

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Subsurface shutoff valve and control means

Wells – Automatic
Patent

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Swab hoist use thereof in conveying crude oil and natural gas

Wells – Automatic
Patent

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System, method, and apparatus for breaking fracturing fluids

Wells – Automatic
Reexamination Certificate

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Tight sands gas well production enhancement system

Wells – Automatic
Reexamination Certificate

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Treating non-naturally occurring subsurface soil contaminants wi

Wells – Automatic
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Turbogenerator power control system

Wells – Automatic
Reexamination Certificate

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Underground fluid recovery device

Wells – Automatic
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Virtual sensors to provide expanded downhole instrumentation...

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Water well stagnant bottom rehabilitation means and method

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