... растворов с ПСМС и АПСМС в условиях Томской области. Construction volume under abnormally low reservoir pressures conditions and drilling of mud losses is the reason for the necessity of using the lightweight cement. The article is devoted to the vapor permeability of cement stone. Materials and methods Cement samples were tested according to GOST 25898-83. The water vapor permeability was determined, using the dried sample. Results The results of the research ...

... предлагаемой методике, позволяют обоснованно выбрать наиболее эффективную буферную жидкость. The method of the evaluation washing ability of the spacer fluid used between the mud and the cement at well cementing is proposed. The simple tests conducted on the proposed technique can help to choose reasonably the most effective wash spacer. Г.Н.ЛЫШКО О.Г.ЛЫШКО G.LYSHKO O.LYSHKO

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