BOORINGUYONO MIZUOBEESUTOSURUNENDODEISUIOYOBI SONOSEIZOHOHO

An aqueous clay base mud for deep drilling containing as a protective colloid a copolymer which is constituted by the formula I, II and III I, II, III IN WHICH R1 and R2 each is hydrogen of -CH3; R3 is -CO-NH2, -CN or COOCH3; R4 is hydrogen, -CH3 or -C2H5; R5 is -CH3 or -C2H5 or R4 and R5 together r...

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Bibliographische Detailangaben
Hauptverfasser:	MARUTEIN HIRE, TEIITERU URUMUSHUNAIDERU, FURIITORITSUHI ENGERUHARUTO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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 ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	An aqueous clay base mud for deep drilling containing as a protective colloid a copolymer which is constituted by the formula I, II and III I, II, III IN WHICH R1 and R2 each is hydrogen of -CH3; R3 is -CO-NH2, -CN or COOCH3; R4 is hydrogen, -CH3 or -C2H5; R5 is -CH3 or -C2H5 or R4 and R5 together represent a propylene group forming a pyrrolidone radical with the inclusion of the radical Me is ammonium, potassium, sodium or lithium and x is 5 to 50, y 25 to 92 and z 3 to 70, OR BY THE SAPONIFICATION PRODUCTS THEREOF AND WHICH CONTAINS THE COMPONENTS IN THE PARTS BY WEIGHT OF THE STARTING MONOMERS INDICATED BY THE INDICES X, Y AND Z.