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Water separator and backflow valve

E - Fixed Constructions – 21 – B
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Water separator for a down hole drill

E - Fixed Constructions – 21 – B
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Water shut off method and apparatus

E - Fixed Constructions – 21 – B
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Water soluble perforation pack

E - Fixed Constructions – 21 – B
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Water soluble ternary cellulose ethers

E - Fixed Constructions – 21 – B
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Water transfer system

E - Fixed Constructions – 21 – B
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Water treatment following shale oil production by in situ...

E - Fixed Constructions – 21 – B
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Water treatment method for heavy oil production

E - Fixed Constructions – 21 – B
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Water treatment method for heavy oil production

E - Fixed Constructions – 21 – B
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Water treatment method for heavy oil production using...

E - Fixed Constructions – 21 – B
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Water treatment method for heavy oil production using...

E - Fixed Constructions – 21 – B
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Water treatment process for thermal heavy oil recovery

E - Fixed Constructions – 21 – B
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Water treatment process for thermal heavy oil recovery

E - Fixed Constructions – 21 – B
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Water treatment using a direct steam generator

E - Fixed Constructions – 21 – B
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Water well developing method

E - Fixed Constructions – 21 – B
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Water well screen

E - Fixed Constructions – 21 – B
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Water well treating apparatus and method

E - Fixed Constructions – 21 – B
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Water-alternating-gas flooding of a hydrocarbon-bearing...

E - Fixed Constructions – 21 – B
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Water-base well fluids for shale stability

E - Fixed Constructions – 21 – B
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Water-based drilling fluid deacidification process and...

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