Modelling of lost circulation formation isolating using expansive cement blend

Authors: A.A. Melekhin (National Mineral Resources University, RF, Saint-Petersburg), I.V. Dorovskikh (Samara State Technical University, RF, Samara), N.V. Devyatkova (Shlumberger Logelco Ink., RF, Noyabrsk), M.N. Golodnov (Halliburton International Ink., RF, Buzuluk), A.V. Epikhin (National Research Tomsk Polytechnic University, RF, Tomsk), E.V. Kozhevnikov (Perm National Research Polytechnic University, RF, Perm)

Key words: producing well; grouting mortar; polymer additive; oil recovery troubles

The necessity of integrated approach for the safety support of filtration and capacitive characteristic of payout beds providing pollution prevention of bottomhole zone on each injection stage is justified. The investigations` results of main technological characteristics of gas-liquid mixtures for opening-up new pay horizons with abnormally low formation pressure are presented. The choice of structure-forming agents and stabilizers for gas-liquid mixtures composition is proved.

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