HUT57252A - Process for producing environment protecting boring liquids
- Google Patents
Process for producing environment protecting boring liquids
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Publication number
HUT57252A
HUT57252AHU128490AHU128490AHUT57252AHU T57252 AHUT57252 AHU T57252AHU 128490 AHU128490 AHU 128490AHU 128490 AHU128490 AHU 128490AHU T57252 AHUT57252 AHU T57252A
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Application filed by Orszagos Koolaj Gazipari, Magyar Szenhidrogenipari, Koolaj FoldgazbanyaszatifiledCriticalOrszagos Koolaj Gazipari
Priority to HU128490ApriorityCriticalpatent/HU205163B/en
Publication of HU901284D0publicationCriticalpatent/HU901284D0/en
Publication of HUT57252ApublicationCriticalpatent/HUT57252A/en
Publication of HU205163BpublicationCriticalpatent/HU205163B/en
Environment sparing, non corrosive flushings liq. of enhanced stability of homogenising in water (wt. %-s based on water): 0.8-2 potassium-hydroxide, 0.3-6 potassium-humate, 3-4 bentonite, 0.8-2 C1-C4 aliphatic-carboxylic acid or dicarboxylic acid. 0.05-0.3 water soluble polyacrylo-amide and opt. 1-3 starch or sodium-carboxy-methyl-cellulose slurries obtd. in this way may be made heavy by known ballasting cpds.
HU128490A1990-03-051990-03-05Process for producing bentonitic flushing liquids containing potassium ion
HU205163B
(en)
A CRITERION FOR PROTECTION OF COPPER ALLOYS AGAINST PITTING CORROSION IN SEA WATER AND BRACKISH WATER. PROTECTION BY ADDITION OF FERROUS IONS TO THE WATER