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Petroleum production utilizing a salt cavern

Wells – Processes – Producing the well
Reexamination Certificate

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Piston pump and applications therefor

Wells – Processes – Producing the well
Patent

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Plug in pump for inverted shroud assembly

Wells – Processes – Producing the well
Reexamination Certificate

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Plugging a mined-through well

Wells – Processes – Producing the well
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Plunger actuated pumping system

Wells – Processes – Producing the well
Reexamination Certificate

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Plunger enhanced chamber lift for well installations

Wells – Processes – Producing the well
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Plunger lift apparatus that includes one or more sensors

Wells – Processes – Producing the well
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Plunger lift for controlling oil and gas production

Wells – Processes – Producing the well
Patent

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Plunger lift separation and cycling

Wells – Processes – Producing the well
Reexamination Certificate

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Plunger lift tool and method of using the same

Wells – Processes – Producing the well
Reexamination Certificate

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Plunger lift tool and method of using the same

Wells – Processes – Producing the well
Reexamination Certificate

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Polymer liners in rod pumping wells

Wells – Processes – Producing the well
Patent

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Polymer liners in rod pumping wells

Wells – Processes – Producing the well
Patent

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Portable fluid lifting apparatus

Wells – Processes – Producing the well
Patent

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Ported velocity tube for gas lift operations

Wells – Processes – Producing the well
Reexamination Certificate

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Positive displacement pump

Wells – Processes – Producing the well
Reexamination Certificate

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Positive pressure gas jacket for a natural gas pipeline

Wells – Processes – Producing the well
Reexamination Certificate

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Procedure and production pipe for production of oil or gas from

Wells – Processes – Producing the well
Patent

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Process and device for raising liquids from wells

Wells – Processes – Producing the well
Patent

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Process for eliminating static venting of vapor-dominated geothe

Wells – Processes – Producing the well
Patent

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