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Fluid Indication and Control |
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| Watercut Meters |
| EASZ-1 LOOP POWERED WATERCUT METER
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| Water Cut Definition
"Watercut" is a term used in production testing. It is the ratio of water produced compared to the volume of total liquids produced.
A common type of water cut meter measures the water content (cut) of a specific product as it flows through a pipe. The water cut meter measures the differential characteristics of water and other components of the liquid to determine the percentage of water. This can be done by various methods including dielectric measurements (capacitance) microwave, infra red and other inferential techniques. Verification of these can be achieved by the use of automatic online crude oil sampling systems where a mixed sample can be taken to a laboratory to be tested using volumetric/coulometric devices. The Karl Fischer titration test is a common on.
Water cut meters are typically used in the mineral oil industry to measure the watercut of oil flowing from a well, produced oil from a separator, crude oil tansfer in pipelines and in loading tankers.
A desalter is a process unit on an oil refinery that removes salt from the crude oil. The salt is dissolved in the water in the crude oil, not in the crude oil itself. The desalting is usually the first process in crude oil refining. The salt content after the desalter is usually measured in PTB - pounds of salt per thousand barrels of crude oil. Another specification is Basic sediment and water or BS&W
The EESIFLO EASZ-1 low range units can be used in the desalting process monitoring of BS&W either in new desalter units or retrofitted to existing applications where accurate online determination of BS&W is necessary. The standard units are intrinsically safe
Related:
- Crude Oil Quality Tests Crude Oil Test Methods
- API Gravity, Density, Relative Density of crude
oil D287, D1298, D5002
- Sediment Content in crude oil* D473
- Water Content in crude oil* D4006
- Sulfur Content in crude oil (also see sulfur testing)
D4294
- S&W (Centrifuge) D96, D4007
- Crude Oil Assay: Visit the crude oil petroleum
assay page.
- Carbon Residue - Conradson / MCRT D189, D4530
- Chloride - Organic (includes Naphtha Cut) D4929
- Chlorides - Total UOP588, D4929
- Chlorides - Inorganic UOP588
- Crude Oil Assay Test Methods, By Quotation** Crude
Oil Assay
- Distillation, Atmospheric D86 Modified
- Distillation, Fractional D2892 By Quotation**
- Distillation (Vacuum Potstill) D5236 By Quotation**
- Distillation, Reduced Pressure D1160
- Distillation, Simulated by G.C. D5307
- Hydrogen Sulfide (See Mercaptan Sulfur)
- Light ends in crude oil GC
- Mercaptan Sulfur & Hydrogen Sulfide SMS2268-1/UOP163
- Mercury Detection (Trace Levels)
- Metals in crude- Ni/V/Na (Solvent Dilution) AAS,
AES D5863B
- Metals in crude Ni/V/Fe (Digestion, Ashing) AAS,
AES D5863A
- See Fuels Section for more details on analyses
for metals
- Methanol content in crude oil GC
- Pour Point D97
- Pour Point of Crude Oils D5853 (Procedure A)
- Pour Point of Crude Oils D5853 (Procedure B)
- Reid Vapor Pressure D323
- Salt Content D3230 / D6470 / IP77
- Sediment by Membrane Filtration D4807
- Sulfur / Sulphur Content and Detection
- Sulfur Species Detection
- Vapor Pressure D6377
- Viscosity - Kinematic at 40 & 100C (100 &
210F if necessary) D445
- Viscosity - Kinematic at other temps D445
- Water Content - Karl Fischer D4377 / D4928
- Water removal by centrifuge prior to testing for
Sulfur etc.
- Wax Content UOP46
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Types of Flowmeters |
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