Preparation and application of hyperbranched composite system for plugging big pore channel
The invention relates to preparation and application of a hyperbranched composite system for plugging a big pore channel. The hyperbranched composite system comprises solution of suspension dispersive agent with mass concentration of 0.3 percent to 0.4 percent, nucleocapsid with mass concentration o...
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| creator | GUO HONGWEI WANG TAO LIU WEI ZHAO LING CHEN LEI WANG LVSHAN TANG YANYAN JIN YANXIN ZHANG DONGHUI DU LIBIN LIU CHENGJIE TANG GANG TIAN YUQIN |
| description | The invention relates to preparation and application of a hyperbranched composite system for plugging a big pore channel. The hyperbranched composite system comprises solution of suspension dispersive agent with mass concentration of 0.3 percent to 0.4 percent, nucleocapsid with mass concentration of 3 percent to 5 percent, solution of flocculation agent with mass concentration of 2 percent to 4 percent and injected water with mineralization degree of 3,000mg/L to 30,000mg/L. A preparation method of the hyperbranched composite system comprises the following steps of: placing the injected water into a reactor; slowly adding the suspension dispersive agent into the reactor at a stirring speed of 680 to 720r/min; after stirring for 30min, reducing the stirring speed to 380 to 420r/min; after continuously stirring for 1.5 to 2 hours, obtaining the solution of suspension dispersive agent; adding the nucleocapsid into the solution of suspension dispersive agent; stirring for 15min at a stirring speed of 680 to 720r |
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The hyperbranched composite system comprises solution of suspension dispersive agent with mass concentration of 0.3 percent to 0.4 percent, nucleocapsid with mass concentration of 3 percent to 5 percent, solution of flocculation agent with mass concentration of 2 percent to 4 percent and injected water with mineralization degree of 3,000mg/L to 30,000mg/L. A preparation method of the hyperbranched composite system comprises the following steps of: placing the injected water into a reactor; slowly adding the suspension dispersive agent into the reactor at a stirring speed of 680 to 720r/min; after stirring for 30min, reducing the stirring speed to 380 to 420r/min; after continuously stirring for 1.5 to 2 hours, obtaining the solution of suspension dispersive agent; adding the nucleocapsid into the solution of suspension dispersive agent; stirring for 15min at a stirring speed of 680 to 720r</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES |
| title | Preparation and application of hyperbranched composite system for plugging big pore channel |
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