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Pressure Equipment Directive
EESIFLO Oil and Gas Offshore Conference and Exhibition
April 2009 issue #2
Intrinsically safe bs&w monitor

EESIFLO International produces bs&w monitors designed to provide the highest possible sensitivity, resolution, and accuracy for water con tent determination in crude oil, other hydrocarbons, or other low dielectric liquids from a max of 100% to levels below 1000 parts per million (ppm). In oil and natural gas (condensate) production, water cut and S&W measurements are signifi cantly improved with the EASZ-1 technology.

Enhanced digital signal processing and full product temperature compensation are two of the technological advancements utilized by this device. Probe sizes from 1” through 42 ” and a. 4- 20 outputs are available for remote readout. Water cut, process temperature and dielectric values are measured accurately and can be reported back to a control centre.

Product Temperature Compensation

The base dielectric constant (Dk) of oils can change with changes in temperature. This can cause traditional monitors to change without a variance in water content. For example; for a 10°F change, a typical crude oil may show a reading shift of as much as 0.1%, which normally would be considered as water. The EASZ-1 measures product temperature and calculates a corrected cut reading, providing a true water or S&W cut at any temperature

Reliable Watercut BS&W Meter
Reliable Watercut BS&W Meter

Some Features

All Stainless Steel (NACE option for sour service) .

Some typical Applications

  • LACT (Lease Automatic Custody Transfer) Units
    Detect and provide relay contact closure that can be used to reroute oil that has excess S&W.
  • Pipeline Loading
  • Monitor transfer of petroleum/condensate products from loading facilities.
  • Dehydration Equipment
  • Determine and enhance equipment efficiencies, by monitoring the product and indicating water content.
  • Fuel Oil Monitoring
  • Determine contamination of fuel oil by condensation, or other external factors, before entry to engine.
  • Storage and Treating Facilities
  • Monitoring and early detection of undesirable conditions as well as interface detection during dewatering of storage tanks