FLUIDTAP-REDUSERENDE TILSETNINGSMIDLER FOR BORESLAM O.L

A fluid loss additive for oil based well working fluids, the fluid loss additive comprising the product of mixing in an oil or oil based liquid, i) lignite or humic acid ii) a) an oil soluble or oil dispersible amine or amine salt; b) an aliphatic amide or hydroxyamide, or a cyclic derivative thereo...

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Bibliographic Details
Main Authors GRAHAM, MARGARET H, COATES, JACQUELINE A, FARRAR, JOHN M
Format Patent
LanguageNorwegian
Published 02.03.1988
Edition4
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:A fluid loss additive for oil based well working fluids, the fluid loss additive comprising the product of mixing in an oil or oil based liquid, i) lignite or humic acid ii) a) an oil soluble or oil dispersible amine or amine salt; b) an aliphatic amide or hydroxyamide, or a cyclic derivative thereof, containing no primary or secondary amine or amine salt groups; and/or c) an oil soluble or oil dispersible amine salt containing at least one C1-22alkyl, C2-22alkenyl or C1-22acyl group partially or fully salted with phosphoric acid; and iii) a dimer and/or trimer fatty acid. w
Bibliography:Application Number: NO19870003655