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Method of fixed joining of pipes having inner coating
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Method for cathode protection from corrosion of pipeline inner valves
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Method for treatment of oil formation
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Compound for electrohydraulic action on close to face zone of oil pool
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Equipment for combined of separate injection of fluid into two formations through one well
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Gel-forming composition for regulation of flood front in producing formation
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Method for development of heterogeneous formations
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Pipe with inner plastic envelope
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Method for secondary exposing of producing formation
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Process of manufacture of profile pipe for borehole shutoff fixture
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Device for fettling metallic pipes by polymeric shells
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Method for completion of well construction
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Hole reamer
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Tube expander
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