Clariant Oil Services Provides Cutting edge Technology for Slop Oil Treatment in Alberta
- Highly cost-efficient and almost ubiquitous solution for slop oil treatment
- Able to treat slop oil contaminated with drilling mud
- Enables faster and more efficient mechanical processing of troublesome streams
A series of slop treatment facilities in Alberta, Canada, required a cost-effective treatment chemical program to aid the processing of slop oil (typically 8° API to 12° API) and slop oil contaminated by drilling mud. A typical facility was operating under the following conditions:
- Series of 1,000 bbl capacity tanks
- Heated coils and heat exchangers to aid slop treatment within the tanks
- Centrifuge to deal with particularly troublesome slop with high solids and low water content
Clariant Oil Services was asked to provide a suitable chemistry that would aid fluid and solid separation, because the treating performance of these fluids showed wide fluctuations due to the variety of crude oil types arriving at the plant. At the time, no demulsifier was being used.
Clariant Oil Services Solutions and Value Delivered
The main challenge in treating the fluids at a particular plant was the high amount of solid particles in the fluids. Therefore, focus for testing was directed at finding a demulsifier product that would help wet these particles so they could fall to or through the water-oil interface and pass into the water phase.
Testing by Clariant Oil Services showed that just mixing water with the emulsion resulted in tying up the additional water in the emulsion. However, when the Clariant Oil Services’ demulsifier PHASETREAT 6767 was present, the water helped wet the solids, effectively destabilizing the whole emulsion and enabling much faster separation of the solids and water from the crude.
Provided that enough water is present in the sample, nearly dry cuts were obtained after 12 to 16 hours at ambient temperature, a period much shorter than the actual retention time at the plant. This added significant value for the operator of the plant because a much higher throughput could be achieved using PHASETREAT 6767, which resulted in additional revenue.
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