2022
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Invention
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Ultra-high temperature resistant cement slurry system for cementing and preparation method and us... |
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Invention
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Ultra-high-temperature-resistant cement slurry system for well cementation, and preparation metho... |
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Invention
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Force modulation system for a drill bit. The force modulation system (10) for a drill bit include... |
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Invention
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Blade cap force modulation system for a drill bit. The force modulation system (10) for a drill b... |
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Invention
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Blade cap force modulation system for a drill bit. The force modulation system for a drill bit in... |
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Invention
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Force modulation system for a drill bit. The force modulation system for a drill bit includes a c... |
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Invention
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Force modulation system with an elastic force member for downhole conditions. The force modulatio... |