CATIONIC DRILLING MUD

摘要

FIELD: oil and gas industry.SUBSTANCE: drilling mud includes the following components, wt %: gel powder 2-5.46; polymer of PolyDADMAC diallyldimethylammonium chloride 3-5; aluminium sulphate Al(SO)·18HO 0.5-6; caustic soda 0.18-2.16; water - the remaining share.EFFECT: improved structure rheological performance of the mud: increased yield point and shear strength, reduced plastic viscosity.2 cl, 2 tbl