COMPOSITION FOR ACID TREATMENT OF BOTTOM ZONE OF FORMATION Russian patent published in 1998 - IPC

Abstract RU 2117149 C1

FIELD: oil and gas production. SUBSTANCE: composition contains, %: clay acid (2-8% of HF and 10-80% of HCl), 95-99.5; and special additive, 0.5-5. EFFECT: enhanced treatment efficiency.

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RU 2 117 149 C1

Authors

Sultanov R.R.

Ramazanov R.G.

Shelepov V.V.

Dates

1998-08-10Published

1995-04-14Filed