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Active cable for wellbore heating and distributed...

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well
Reexamination Certificate

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Alarm means for use with apparatus protecting a device situated

Wells – With heating – refrigerating or heat insulating means
Patent

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Apparatus and method for production of organic products from ker

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well
Patent

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Apparatus and methods to dissipate heat in a downhole tool

Wells – With heating – refrigerating or heat insulating means
Reexamination Certificate

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Apparatus for cryothermal fracturing of rock formations

Wells – With heating – refrigerating or heat insulating means
Patent

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Apparatus for enhanced recovery of viscous oil deposits

Wells – With heating – refrigerating or heat insulating means
Patent

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Apparatus for hydrocarbon recovery from earth strata

Wells – With heating – refrigerating or heat insulating means – Burner in well
Patent

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Apparatus for installing condition-sensing means in subterranean

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well
Patent

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Apparatus for realization of rock exploitation method based on t

Wells – With heating – refrigerating or heat insulating means
Patent

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Apparatus for recovery of petroleum from petroleum impregnated m

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well
Patent

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Assembly for introducing steam into an oil-bearing stratum

Wells – With heating – refrigerating or heat insulating means
Patent

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