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Coiled tubing fluid filter equipment
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Cleaner for female drill pipe buckles
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Top drive protective joint with suspension type filter screen
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Seismic attribute connection mapping method across three-dimensional seismic work area
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Indicating plate and oil drilling platform
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Digital delivery method based on process pipeline
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Oil refining sludge reduction comprehensive treatment method
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Retarder with water loss reducing function and preparation method thereof
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Sand geology water network swamp area pipeline construction method
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Oil and gas well packing device and using method thereof
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Pipeline construction method for sand geological water network area
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Small-size underground high-power transmission mechanism
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Energy-saving continuous sulfur melting device and process thereof
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Longmaxi group shale gas well productivity prediction method based on horizontal well trajectory evaluation
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Circular track bolt pre-embedding method
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Underground double-probe magnetic measurement device and method
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Underground alternating magnetic field positioning device and method
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Method for establishing well cementation quality evaluation index and well cementation quality evaluation method
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Guanidine gum fracturing fluid system and application thereof in low-temperature oil and gas reservoir
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Simulation device and method for establishing well cementation quality evaluation index
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