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Vol 183
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Higher efficiency in drilling of oil and gas wells under complicated conditions

N. I. Nikolaev1
A. I. Ivanov2
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  • 1 — Saint-Petersburg State Mining Institute (Technical University)
  • 2 — 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.

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