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Spent drilling muds management and natural environment protection

Author

Listed:
  • Steliga Teresa

    (Oil and Gas Institute, Krakow, Poland)

  • Uliasz Małgorzata

    (Oil and Gas Institute, Krakow, Poland;)

Abstract

The purpose of this work is to present the optimum method for spent drilling mud management according to waste management principles, taking into account the potential harmful effects of such wastes on the environment. Research was conducted on samples of bentonite drillingmud (potassium), potassium polymer, and glycol-potassium. A coagulation and filtration process was employed to remove the liquid phase. As an alternative method, a new technology of solidification was proposed making use of binding agents, which were chosen based on laboratory tests (sodium silicate + Silmet CQ 25). Harmful substances leached from coagulation and filtration deposits were analyzed, and the results offer evidence that these deposits don’t fulfill the criteria allowing for their dumping at storage sites as they surpass the permissible concentrations of dissolved carbon DOC and TDS, with the exception of spent bentonite drilling mud.

Suggested Citation

  • Steliga Teresa & Uliasz Małgorzata, 2014. "Spent drilling muds management and natural environment protection," Gospodarka Surowcami Mineralnymi / Mineral Resources Management, Sciendo, vol. 30(2), pages 1-21, June.
    • Handle: RePEc:vrs:gosmin:v:30:y:2014:i:2:p:21:n:1
    DOI: 10.2478/gospo-2014-0011
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