NON-DISPERSING MUD

摘要

FIELD: chemistry.SUBSTANCE: drilling mud contains, wt %: mud powder PBMV 2-3, polyelectrolyte VPK-402 2-4; clay inhibitor inhibiting composition Biosol 20-50; structure-forming agent and fluid loss reducing agent biopolymer Bioxan 0.05-0.15; water - the balance.EFFECT: improved inhibiting properties of the mud while reducing consumption of polyelectrolyte VPK-402.2 tbl, 1 dwg