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The Slurry Fracture Injection (SFI) process is an environmentally sustainable technology used to place petroleum E&P waste, NORM, biosolids, and contaminated soils in the deep subsurface. SFI advanced deep well disposal is characterized by:
Specification Title | Specification Description |
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Areas of Application
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E&P wastes | Drilling wastes | Oilfield produced solids | Oily viscous fluids/sludge | Tank/pit bottoms | Contaminated soils | NORM/TENORM | Low-level radioactive material | Wastewater treatment sludge | Sulphur by-product | Industrial effluent/sludge
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Certifications / licences
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Terralog’s systems for SFI design & implementation are certified to ISO 9001:2015, ISO 14001:2015, and OHSAS 18001:2007.
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Depth
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Typical disposal depths: 350 – 2,500 m.
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Environment
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SFI has a proven environmental record of Zero-Discharge waste disposal, with no impact on future land use.
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Grain size
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SFI can effectively dispose of materials with grain sizes up to 5 mm. The slurry is made with the highest possible solid material concentration – from 10 to 25 percent by volume.
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Safety
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Safeguards human health by reducing and removing pollution from the biosphere.
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Volume
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Large waste volumes (up to 15,000 m3 per month).
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