Safe Disposal Technology of Waste Oil-based Drilling Fluids
waste oil-based drilling fluidsa re the use of a landfill or re-injection4)～17), but these methods cannot resolve the pollution of waste oil-based drilling fluids and waste a large amount of diesel resources. Various kinds of waste oil-based drilling fluidstreating technologies are compared in Table 1.
Therefore, for studying on harmless technology of waste oil-based drilling fluid in this paper. Base on the tradition treatment technology for waste oil-based drilling fluid, by the preferred for treatment chemicals, improved the experimental methods and conditions, achieved some research results.
Harmless Treatment Technology of Waste Oil–Based Drilling
Waste oil–based drilling fluids are hazardous wastes containing oil, heavy metals, and organic pollutants. The common treatment methods include pool storage, use of a secure landfills, heat...
Supercritical carbon dioxide extraction is a highly promising technology for waste OBM disposal in virtue of its low environmental pollution, high economic efficiency and wide applicability.
Different Treatment Methods for Oily Sludge & Drilling
It mainly makes use of microorganisms and makes petroleum hydrocarbons in the oil sludge degraded into harmless soil composition. Drawbacks: cultivating and composting methods require large area of land; the bioreactor method has waste residue discharged, and it has long processing time and complicated operation.
In order to overcome the challenge of treating waste drilling fluids in environmental sensitivity areas, harmless treatment technology and formulas for waste drilling fluids were developed and determined in this study. The basic formula was: 10.0% SD-4 + 2.5% SD-5 + 9.0% SD-6 + 7.0% SD-7.
A review of treatment methods for oil-based drill
the harmless treatment for oil-based drill cuttings. However, bioremediation needs a long treatment. cycle (the duration ranges from several weeks to severa l years, and the shortest one is
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