PROCESS FOR WALL STABILIZATION OF WELLS DURING DRILLING AND FOR PRODUCTION OF POLYMERIC MUD COMPOSITION
Oil drilling mud compsn. contains carboxy-methyl-cellulose (CMC) of low salt content, medium substitution and of high viscosity, and/or tannic-acid, and/or formaldehyde and/or Fe (III) salts to ensure maximum well output and practically no blocking of the capacity of a water yielding formation, brou...
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| creator | ORSZAGH,ISTVAN,HU KALLAI,GABOR,HU POLIK,JOZSEF,HU |
| description | Oil drilling mud compsn. contains carboxy-methyl-cellulose (CMC) of low salt content, medium substitution and of high viscosity, and/or tannic-acid, and/or formaldehyde and/or Fe (III) salts to ensure maximum well output and practically no blocking of the capacity of a water yielding formation, brought into prodn. - The compsn. is prepd. by mixing 7-15 pts.wt. CMC (e.g. MAVIBOND CPA 2000 or -CPA 3000 (RTM)), with 900-1000 pts.wt. water at 5-40 deg.C; followed by 0.1-5 pts.wt. tannic acid, and/or 0.07-2.5 pts.wt. formaldehyde soln. (30%) and 0.02-0.8 pts. of an aq. Fe (III) pref. FeCl3 soln. (10%). |
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CMC (e.g. MAVIBOND CPA 2000 or -CPA 3000 (RTM)), with 900-1000 pts.wt. water at 5-40 deg.C; followed by 0.1-5 pts.wt. tannic acid, and/or 0.07-2.5 pts.wt. formaldehyde soln. (30%) and 0.02-0.8 pts. of an aq. Fe (III) pref. FeCl3 soln. 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CMC (e.g. MAVIBOND CPA 2000 or -CPA 3000 (RTM)), with 900-1000 pts.wt. water at 5-40 deg.C; followed by 0.1-5 pts.wt. tannic acid, and/or 0.07-2.5 pts.wt. formaldehyde soln. (30%) and 0.02-0.8 pts. of an aq. Fe (III) pref. FeCl3 soln. 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CMC (e.g. MAVIBOND CPA 2000 or -CPA 3000 (RTM)), with 900-1000 pts.wt. water at 5-40 deg.C; followed by 0.1-5 pts.wt. tannic acid, and/or 0.07-2.5 pts.wt. formaldehyde soln. (30%) and 0.02-0.8 pts. of an aq. Fe (III) pref. FeCl3 soln. (10%).</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES SEWERAGE USE OF MATERIALS AS ADHESIVES WATER SUPPLY |
| title | PROCESS FOR WALL STABILIZATION OF WELLS DURING DRILLING AND FOR PRODUCTION OF POLYMERIC MUD COMPOSITION |
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