Gas-dynamic characteristics of the host rocks of Mir pipe mine field deep horizons
https://doi.org/10.21285/2686-9993-2021-44-3-293-300
Abstract
The purpose of the research is to study the gas-dynamic characteristics of deep horizons of the Mir pipe mine field to ensure industrial safety under construction and production resumption at the field. The study is based on the interval field experiments carried out during drilling and subsequent study of the core. The main gas-dynamic parameters of the deep horizons of the field were studied during the drilling of pilot wells that enabled to perform interval determination of the flow rates of formation gases using packers and complex research equipment, gas sampling for the determination of chemical composition of gases, and gas logging. The conducted works resulted in the formulation of the gas-dynamic characteristic of the Tolbachan formation within the mine field of the Mir pipe. Reservoir intervals were identified and the nature of their fluid saturation was determined. The chemical composition of formation gases was clarified and gas release nature and intensity were studied both under drilling and interval testing. The result of the research carried out was identification of zones with different fluid manifestations, as well as comparison of the field under investigation with the previously studied International pipe. The results of the conducted research works will form the basis for performing design forecast calculations, as well as for making the main design decisions under construction of capital mine workings, especially in terms of advanced degassing of the mountain range. Consideration of the zones identified within the Tolbachan formation, which feature different nature of fluid saturation, will allow to take into account and minimize possible adverse factors.
About the Authors
S. A. Yannikova
Yakutniproalmaz Institute, PJSC ALROSA
Russian Federation
Russian Federation
Svetlana A. Yannikova, Leading Engineer of the Laboratory of Mining and Geological Problems of Field Development
Mirny
A. M. Yannikov
Yakutniproalmaz Institute, PJSC ALROSA
Russian Federation
Russian Federation
Aleksey M. Yannikov, Cand. Sci. (Geol. & Mineral.), Head of the Laboratory of Mining and Geological Problems of Field Development
Mirny
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Review
For citations:
Yannikova S.A., Yannikov A.M. Gas-dynamic characteristics of the host rocks of Mir pipe mine field deep horizons. Earth sciences and subsoil use. 2021;44(3):293-300. (In Russ.) https://doi.org/10.21285/2686-9993-2021-44-3-293-300
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