Researches and development of plugging compositions for elimination of disastrous lost circulation at Republic Sakha (Yakutia) fields

Authors: V.D. Gorgots, A.V. Zakharenkov (Tyumen Branch of SurgutNIPIneft), F.R. Yakhshibekov, V.I. Rassadnikov (Surgutneftegaz OAO)
Special compositions and technologies for elimination of lost circulation in wells at Republic Saha (Yakutia) fields and license areas are developed. Results of research and experimental-field works are given. The technology of solar-cement- bentonitic mixtures delivery in the disastrous lost circulation zone is considered.

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