COMPOUND FOR TREATING CARBONATE BEDS IN HIGH-TEMPERATURE WELLS Russian patent published in 1998 - IPC

Abstract RU 2106487 C1

FIELD: oil and gas production industry. SUBSTANCE: this relates to activation of productive bed for intensification of oil recovery. Improved efficiency of treating is attained by reducing speed of reaction of acid with bed rock in high-temperature wells. For this purpose, compound for treating carbonate beds has such components as muriatic acid and acetic acid and additionally it has cation-active surface-active material and also acetone in following proportioning of components, mass%: muriatic acid 12-15, acetic acid 3-5, cation-active surface-active material 0.2-0.4, acetone 5-12, water - the balance. EFFECT: high efficiency. 1 tbl

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RU 2 106 487 C1

Authors

Koshtorev N.I.

Dates

1998-03-10Published

1995-10-06Filed