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Vol 183
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Research article

Higher efficiency in drilling of oil and gas wells under complicated conditions

N. I. Nikolaev1
A. I. Ivanov2
About authors
  • 1 — Ph.D., Dr.Sci. Professor Saint-Petersburg State Mining Institute (Technical University)
  • 2 — Post-graduate student Saint-Petersburg State Mining Institute (Technical University)
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The results of researches of properties of the new native waterswelling polymer «Petrosorb» are given. Description is given to the design of plugging-up tool for liquidation of catastrophic absorption of flushing fluid in the course of drilling of oil and gas wells.

Waterswelling polymer drilling of wells absorption of flushing fluid pluggingup complicated conditions
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