| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: water-base flush fluid consists of, wt %: hydroxylamine chloride 25-30, hydrochinone 0.5 - 1.5, water is the rest. ^ EFFECT: improvement of spacer fluid flushing ability and, as a result, improvement of cement stone binding with rocks and casing. ^ 1 tbl |
