BIOLOGISK NEDBRYDELIGT ANTIVEDHÆFTNINGSADDITIV PÅ BASIS AF PODET COPOLYMER TIL VANDBASEREDE BOREVÆSKER
The use of gelatin-based copolymers containing at least one grafted side chain formed from ethylenically unsaturated compounds as an anti-accretion additive is proposed for water-based drilling fluids in the development, exploitation and completion of underground mineral oil and natural gas deposits...
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| creator | REICHENBACH-KLINKE, Roland LANGLOTZ, Jutta Karin ASSMANN, Andrea |
| description | The use of gelatin-based copolymers containing at least one grafted side chain formed from ethylenically unsaturated compounds as an anti-accretion additive is proposed for water-based drilling fluids in the development, exploitation and completion of underground mineral oil and natural gas deposits and in deep wells. These copolymers are water-soluble and have good biodegradability. |
| format | Patent |
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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 | BIOLOGISK NEDBRYDELIGT ANTIVEDHÆFTNINGSADDITIV PÅ BASIS AF PODET COPOLYMER TIL VANDBASEREDE BOREVÆSKER |
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