METHOD FOR CEMENTATION OF CASING STRING Russian patent published in 1997 - IPC

Abstract RU 2081996 C1

FIELD: oil and gas industry. SUBSTANCE: method relates to stabilization of wells yielding product which contains hydrogen sulfide. According to method, alternately injected into well is plugging solution and isolating compound. Used in function of this compound is water suspension of substances which in interaction with hydrogen sulfide create insoluble combinations of high volume as compared with initial volume of solid substances coming into chemical reaction such as hematite solution. EFFECT: high efficiency. 1 cl

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RU 2 081 996 C1

Authors

Agzamov F.A.

Zhuravlev G.I.

Shmelev P.S.

Karimov N.Kh.

Rakhimov K.A.

Dates

1997-06-20Published

1994-09-28Filed