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Z. N. Cherkai, E. B. Gridina (2017) Technological problems and fundamental principles of methods of engineering-geocryological exploration during construction and exploitation of wells in permafrost rock mass. Journal of Mining Institute. Vol 223. p. 82. DOI: 10.18454/pmi.2017.1.82
CherkaiZ. N., & GridinaE. B. (2017). Technological problems and fundamental principles of methods of engineering-geocryological exploration during construction and exploitation of wells in permafrost rock mass. Journal of Mining Institute, 223, 82. https://doi.org/10.18454/pmi.2017.1.82

Technological problems and fundamental principles of methods of engineering-geocryological exploration during construction and exploitation of wells in permafrost rock mass

Authors:
Z. N. Cherkai1
E. B. Gridina2
  • 1 — Saint-Petersburg Mining University
  • 2 — Saint-Petersburg Mining University
Date submitted:
2017-03-01
Date published:
2017-02-26

Abstract

The article describes peculiarities and complicating factors when constructing wells in cryolithic zones. It also presents fundamental principles of methods of pilot parametric drilling for complex exploration of engineering-geocryological conditions of multiple-well gas production platforms. The article describes peculiarities of geophysical examinations within the complex of parametric drilling for clarification and correlation of log sheet, and identifying non-commercial gas reservoirs and interpermafrost head oil-filed water horizons in permafrost rock mass. We defined main ecological issues of parametric drilling and presented potential environment pollutants from well drilling in cryolithic zones. It concludes a list of factors, which should be considered during gas well drilling in northern zones for meeting the «safety – sustainability – low waste» criteria.

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