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3 AGH Drilling, Oil, Gas

3 2015

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Utilisation of drilling waste muds from drilling waste dump

Kotwica Ł., Wons W., Malata G., Murzyn P., Jamrozik A., Gonet A.

AGH Drilling, Oil, Gas

2015

Vol. 32, no. 3

623--636

Dynamically developing drilling industry is connected with some environmental impact. Considerable amounts of contaminated drilling waste is produced, regardless the applied prevention measures. The generated drilling waste is diversified both chemically and physico-mechanical. These properties ma ke utilization or managing of drilling waste difficult. In article presented results laboratory research stabilization of drilling waste mud from Polish commercial drilling waste dump. Samples were taken from an old lot which is not currently under operation and was provided to be subjected to reclamation. Investigated waste drilling mud stored in waste dump contains h igh amounts of unbound ions, which can be leached out of the sample. It cause the method of utilization to fulfill two goals: first it should allow to solidify the material in order to obtain material easy to transport and process and second the method should allow to decrease the amount of ions which can be leached out of the final material.

Selected aspects of drilling waste management in Poland

Jamrozik A., Ziaja J., Gonet A., Fijał J.

AGH Drilling, Oil, Gas

2015

Vol. 32, no. 3

565--573

One of the main problems related to environmental protection in the search for hydrocarbon deposits are drilling waste. In these article the authors presented their research results on the toxicity of drilling muds and suggested the possibility of their utilization. Research material represents drilling waste collected during prospecting for both conventional and unconventional deposits of oil and gas in the Polish Lowlands, Pomerania, the Carpathians and the Carpathian Foredeep.

Characterization, properties and microstructure of spent drilling mud from the point of view of environmental protection

Fijał J., Gonet A., Jamrozik A.

AGH Drilling, Oil, Gas

2015

Vol. 32, no. 3

483--492

This investigations were carried out on different spent water-based muds, collected in drillings in various parts of Po land. The combined study methods included structural and phase investigations (X-ray diffractometry, infrared FTIR spectroscopy, scanning electron microscopy) and instrumental chemical determinations. The results characterize mineral and phase composition of the samples, their microstructure and chemical composition. The authors focused on the specific nature of polymer-clay complexes, which in drilling mud systems have the form of delaminated or ex foliated organic-clay polymer nanocomposites that control prope rties of such waste materials. Detailed recognition of properties chemistry, mineral and phase composition, microstucture of spent drilling muds have a fundamental meaning for studies on the management of these materials in the natural environmental.