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- Title
Microwave Drying of Drilled Cuttings in the Context of Waste Disposal and Drilling Fluid Recovery.
- Authors
Santos, Jéssika M.; Pereira, Marina S.; Júnior, Irineu P.; Pena, Matheus M. R.; Ataíde, Carlos H.
- Abstract
The use of drilling fluids in oil drilling process generates solid-liquid mixtures that must be separated. One of the aims of this process is compliance with environmental laws regarding to disposal of waste from drilling activities. The present study aims to investigate the microwave drying of contaminated drilled cuttings. The aspects investigated are: cuttings size and shape, bed height, composition of the drilling fluid, and application of a sweep gas. The results show that mixtures of cuttings containing rounder and larger particles lead to greater removal of drilling fluid than mixtures that consist of less-round and finer particles. The increase of the bed height leads to higher efficiency in terms of n-paraffin removal. The use of a sweep gas increases the n-paraffin removal from 75 to 90 %. The higher the water content on the drilling fluid, the greater the removal of organic phase. The microwave heating does not cause significant changes in the organic phase recovered.
- Subjects
MICROWAVE drying; PETROLEUM industry -- Waste; DRILLING fluids; OIL well drilling; MICROWAVE heating
- Publication
Energy Technology, 2014, Vol 2, Issue 9/10, p832
- ISSN
2194-4288
- Publication type
Article
- DOI
10.1002/ente.201402053