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Acidizing method

Wells – Processes – Cementing – plugging or consolidating
Patent

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Acidizing method for gravel packing wells

Wells – Processes – Providing porous mass of adhered filter material in well
Patent

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Acidizing method for gravel packing wells

Wells – Processes – Graveling or filter forming
Patent

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Acidizing method for gravel packing wells

Wells – Processes – Providing porous mass of adhered filter material in well
Patent

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Acidizing method using microemulsion

Wells – Processes – Placing fluid into the formation
Patent

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Acidizing reservoirs while chelating iron with sulfosalicylic ac

Wells – Processes – Placing fluid into the formation
Patent

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Acidizing stimulation method using a pH buffered acid solution

Wells – Processes – Dissolving or preventing formation of solid oil deposit
Reexamination Certificate

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Acidizing underground reservoirs

Wells – Processes – Placing fluid into the formation
Patent

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Acidizing using n-vinyl lactum/unsaturated amide copolymers

Wells – Processes – Placing fluid into the formation
Patent

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Acidizing wells

Wells – Processes – Separate steps of fracturing or attacking formation
Patent

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Acidizing with chemically heated weak acid

Wells – Processes – Chemical inter-reaction of two or more introduced materials
Patent

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Acoustic flow stimulation method and apparatus

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

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Acoustic subsea test tree and method

Wells – Submerged well – Testing
Patent

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Acoustic system and method for performing operations in a well

Wells – Processes – With indicating – testing – measuring or locating
Patent

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Acoustic well cleaner

Wells – Sonic device – With specific downhole feature
Patent

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Acoustic well recovery method and device

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

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Acoustically actuated downhole blowout preventer

Wells – With electrical means
Patent

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Acoustically controlled electro-mechanical circulation sub

Wells – With electrical means
Patent

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Acoustically controlled subsurface safety valve system

Wells – With electrical means
Patent

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Acquiring and concentrating a selected portion of a sampled...

Wells – Processes – Sampling well fluid
Reexamination Certificate

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