| 摘要 |
FIELD: gas and oil production. ^ SUBSTANCE: there is used water fluid medium applied for withdrawal of crude oil from underground formation. This medium includes water and one or more phosphorus-organic materials. Procedure for withdrawal of crude oil from the underground formation consists in delivery of the above said water fluid medium into the formation. ^ EFFECT: increased oil recovery of underground formations. ^ 28 cl, 1 ex, 4 dwg |
