Developing stabilizing clay-mudstone bath by planning an experiment using the Box — Behnken method
https://doi.org/10.31660/0445-0108-2021-2-66-77
Abstract
The actual scientific and production task is the prevention of loss wellbore stability for West Siberia companies. The process of well drilling in clay intervals is consisting of many additional actions for stabilization wellbore. There is analysis of wells with problems due to caving and falling in this article. It was allowed to determine that almost 50 % of drilling time is non-production time, which connects with clay warping. The design of new inhibitory bath compound is necessary to avoid loss wellbore stability. It was applied Box-Behnken method for planning of experiment and for a mathematical analysis of synergistic effects components and thermo-baric conditions among each other. The result of this work is the development of the optimal composition of the bath to stabilize clay rocks for more than 13 hours, which is enough for drilling complicated intervals.
About the Authors
A. D. ShalyapinaRussian Federation
Adelya D. Shalyapina, Postgraduate, Assistant at the Department of Drilling Oil and Gas Wells
Tyumen
D. V. Shalyapin
Russian Federation
Denis V. Shalyapin, Postgraduate, Industrial University of Tyumen, Engineer of 2nd grade of the Well Construction Monitoring Department
Tyumen
D. L. Bakirov
Russian Federation
Daniyar L. Bakirov, Candidate of Engineering, Acting Head of the Basic Department of KogalymNI-PIneft Branch of LUKOILEngineering LLC in Tyumen, Assistant Director of Branch, KogalymNIPIneft Branch of LUKOIL-Engineering LLC
Tyumen
M. M. Fattahov
Russian Federation
Marsel M. Fattahov, Head of the Department of Drilling and Cement Muds
Tyumen
E. V. Babushkin
Russian Federation
Eduard V. Babushkin, Candidate of Engineering, Associate Professor at the Basic Department of KogalymNIPIneft Branch of LUKOIL-Engineering LLC in Tyumen, Chief of the Well Profile Design Department, Kogalym NIPIneft Branch of LUKOIL-Engineering LLC
Tyumen
V. G. Kuznetsov
Russian Federation
Vladimir G. Kuznetsov, Doctor of Engineering, Professor of the Drilling Oil and Gas Wells Department
Tyumen
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Review
For citations:
Shalyapina A.D., Shalyapin D.V., Bakirov D.L., Fattahov M.M., Babushkin E.V., Kuznetsov V.G. Developing stabilizing clay-mudstone bath by planning an experiment using the Box — Behnken method. Oil and Gas Studies. 2021;(2):66-77. (In Russ.) https://doi.org/10.31660/0445-0108-2021-2-66-77