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CN108373912A
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A kind of salt-resisting high-temperature-resisting foam discharging agent and preparation method thereof
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CN108194053A
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A kind of determining method and device of open-hole horizontal well matrix acidifying acid solution dosage
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CN108182300A
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A kind of determining method and device of open-hole horizontal well matrix acidifying radius
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CN109915018A
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The determination method of tool face azimuth in a kind of control of three dimensional hole trajectory
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CN109897618A
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A kind of descaling composition, scale remover and preparation method thereof
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CN109902890A
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A kind of horizontal well land in target evaluation method and system
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CN108086954A
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Horizontal well is classified pickling acidization tool
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CN108119093A
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Well cementation casing automatic grouting equipment
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CN108086941A
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Selective cementing unit
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CN108180010A
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A kind of drilling liquid monitoring alarm instrument
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CN109825266A
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A kind of high inhibition height blocks double guarantor's type drilling fluids and preparation method thereof, drilling composition
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CN109751010A
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packer
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CN109749728A
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A kind of pressure break blistering cleanup additive and preparation method thereof
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CN109749729A
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A kind of blistering cleanup additive and preparation method thereof
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CN109592765A
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A kind of mud does not land the gel breaking method of technique gel breaker and rejected well drilling liquid
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CN109598007A
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A kind of high liquid-gas ratio gas well underground throttle technological parameter calculation method
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CN109519134A
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Sand flushing tool component and its sand washing machine
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CN109424325A
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A kind of flow string and oil extraction system
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CN109424332A
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A kind of natural gas well constant pressure throttling apparatus
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CN109267983A
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Horizontal well refracturing device and method based on the complete well of the preset tubing string of naked eye
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