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CN104327815A
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Paraffin inhibitor for petroleum extraction and preparation method thereof
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CN104388060A
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Weighting agent for oilfield well drilling and preparation method thereof
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CN104327816A
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Clearing liquid for removing blockage of drilling fluid weighting agent and preparation method of clearing liquid
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CN104327818A
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Oil-displacing anti-swelling clay stabilizer and preparation method thereof
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CN104312617A
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Oil quality purifying agent for crude oil and preparation method of oil quality purifying agent
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CN104357081A
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Raw petroleum demulsifying agent and preparation method thereof
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CN104119854A
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Anti-swelling clay stabilizer and preparation method thereof
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CN104170879A
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Anticorrosive bactericide for oilfield reinjection water and preparation method of anticorrosive bactericide
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CN104130882A
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Oil-gas transmission pipeline cleaning agent and preparation method thereof
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CN104120047A
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Oil pipeline detergent and preparation method thereof
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CN104106602A
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High-efficiency oilfield reinjection water bactericide and preparation method thereof
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CN104107682A
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Oil purifying agent and preparation method thereof
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CN104130873A
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Corrosion-resistant cleaning agent special for crude oil storage tank and preparation method thereof
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CN104109517A
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Emulsion paraffin removing and inhibiting agent and preparation method thereof
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CN104130756A
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High-temperature-resistant viscosity reducer for viscous oil and preparation method thereof
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CN104031627A
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High temperature resistant drag reducer for exploitation of thickened oil and preparation method thereof
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CN104031622A
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Anti-salt filtrate reducer for drilling fluid and preparation method thereof
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CN104031621A
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Filtration reducing agent for drilling fluid and preparation method thereof
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CN104096384A
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Antifoaming agent and preparation method thereof
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