COMPOUND EMULSIFIER FOR PRODUCTION OF INVERT EMULSION MUD BASED ON MINERAL OIL AND USED FOR PENETRATION OF PRODUCTIVE STRATA

摘要

FIELD: oil and gas industry.SUBSTANCE: invention is related to oil and gas industries, in particular to components of oil-based drill mud emulsifiers. The compound emulsifier for invert emulsion mud contains the following ingredients, wt %: tall oil 30-40, ethylene glycol 10-20, emulsifier EKS-EM 20-40, unhydrated lime 10-20.EFFECT: provision of long-term electrical stability for emulsifier.1 tbl