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CN107476770A
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Lifting pipe device on oil-well drilling equipment
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CN107366515A
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Based on oil-well drilling equipment lifting pipe device
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CN107325807A
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A kind of production equipment for manufacturing quartz fracturing sand special for oil field
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CN107355184A
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A kind of recognizable oil and gas well drilling drilling rod and drilling equipment
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CN107504177A
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A kind of air-tight structure for oil-well drilling equipment
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CN107289130A
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Cementing and fracturing unit pressing cover of plunger piston pump sealing device
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CN107434238A
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Oil drilling pressure break rapid refueling cleaning equipment
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CN107520158A
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Clean-in-place device based on drilling equipment
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CN107221145A
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A kind of right gas ground data wireless acquisition system
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CN107352321A
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The oil cable that can be turned to puts device in order
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CN107176500A
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A kind of intelligent spooling equipment of wireless induction
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CN106968638A
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Suitable for the well head fixing device of oil-gas mining
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CN107023266A
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A kind of drilling well stabilizer of double end Junk prevention bit freezing
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CN106978984A
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A kind of deep-well, which breaks, falls drilling tool fishing device
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CN107237608A
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Can anticreep the three ratchet wheel drill bits that drive a well
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CN106988688A
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Well cementation eddy flow rigid, hard centralizer
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CN106595789A
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Critical speed flowmeter and pipeline system
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