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Versatile additives for well cementing applications

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Vertical combined production facility

Wells – Submerged well – Means removably connected to permanent well structure
Patent

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Vertical conformance steam drive oil recovery method

Wells – Processes – Cyclic injection then production of a single well
Patent

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Vertical flowline connector

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Vertical pumping system

Wells – With eduction pump or plunger – With leak means
Reexamination Certificate

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Vertically moored platform anchoring

Wells – Submerged well – Means removably connected to permanent well structure
Patent

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Vessel provided with a device for removing and/or installing...

Wells – Submerged well – Means removably connected to permanent well structure
Reexamination Certificate

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Vibratory apparatus for mining shale oil or the like

Wells – Sonic device – With specific downhole feature
Patent

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Vibratory method for minimg shale oil or the like

Wells – Processes – Vibrating the earth or material in or being placed in the...
Patent

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Vicous oil recovery method

Wells – Processes – In situ combustion
Patent

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Virtual sensors to provide expanded downhole instrumentation...

Wells – Automatic
Reexamination Certificate

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Visbreaking-enhanced thermal recovery method utilizing high temp

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Viscid oil well completion

Wells – Processes – Heating – cooling or insulating
Patent

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Viscoelastic acid

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Viscoelastic acid

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Viscoelastic polymer bank with improved mobility control

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Viscoelastic surfactant fluids and associated acidizing methods

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Viscoelastic surfactant fluids and associated diverting methods

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Viscoelastic surfactant fluids and associated methods

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Viscoelastic surfactant fracturing fluids and a method for fract

Wells – Processes – Placing fluid into the formation
Patent

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