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Profiler™
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The TRACERCO Profiler™


The TRACERCO Profiler™ is a unique industry leading instrument which is able to accurately measure and thereby control the separation process occuring in oil and gas separation. In effect, it allows the production engineers to look inside the separator and understand what is actually occuring by determining a vertical density profile of the vessel contents.

By controlling the separator process the TRACERCO Profiler™ enables the production rate to be increased whilst minimising environmental non-compliance and optimising the addition of expensive chemicals.

Features of the TRACERCO Profiler™

  • Characterizes real-time vessel conditions
  • Zero maintenance and no moving parts
  • Totally non invasive
  • SCADA compatible
  • No wetted parts
  • Unaffected by scale

Benefits of the TRACERCO Profiler™

  • Optimises vessel performance
  • Increased production throughput in the vessel
  • Improved process control
  • Cost savings on chemical additives
  • Avoids accidental oil discharge in produced water
  • Detects sand build up
The TRACERCO Profiler™ for desalter applications

It is not only in the offshore industry where The TRACERCO Profiler™ has saved our customers operating expenses. Within many refineries there is a growing tendency to process heavier crudes or blend these into lighter feedstocks. During crude oil refining it is advantageous to optimise the blend to reduce overall feedstock costs whilst at the same time ensuring the final mix can be adequately processed with minimal upset.

One of the fundamental needs is the efficient separation of waste water from the crude using a desalter vessel after water washing the feedstock to reduce chloride levels.

Upon a request from a major oil refiner, Tracerco redesigned its award winning TRACERCO Profiler™ instrument to withstand the elevated operating temperatures typically experienced within a desalter vessel. Tracerco’s in-house development capability of leading edge scientists and physicists was used to produce, test and commission a new instrument with suitable design specifications within a six month timeframe needed to meet a pre-planned shutdown schedule.

Utilizing advanced measurement technology, The TRACERCO Profiler™ can accurately measure phases including oil, emulsion (rag), water and solids/sludge in a desalter vessel in real time to 1” vertical resolution across the vessel vertical span.

The experience gained from use of The TRACERCO Profiler™ installation has allowed a number of measurable benefits to be realised including;-

1. Operator confidence to run the interface level closer to the lower electrostatic grid thus optimising separation of difficult blends
2. Increased upstream desalter mixing to enhance chloride removals from downstream vessels thus reducing corrosion issues
3. Increased blending ratios of lower quality crudes with enhanced margin of refined products
4. Optimisation of emulsion and asphaltene reducing chemicals within the desalting process leading to considerable cost savings
5. The elimination of process upsets resulting from water carryover or oil carry under from the desalter vessel

There is no proven technology available which is comparable to The TRACERCO Profiler™ for desalter optimisation. If you wish to gain the competitive advantages of lower feedstock and effect chemical costs, higher throughput, zero maintenance and clean environmental credentials we invite you to contact us for further information.

The TRACERCO Profiler™ for subsea applications

The future of oil recovery lies in accessing increasingly complicated reserves. In many applications seabed processing holds the key. This presents many challenges including providing robust and reliable real time information about key process parameters.

Tracerco has been involved in the revolutionary application of its award winning Profiler technology for use in the first commercial seabed processing plant.

With global oil prices reaching record levels and primary recovery methods approaching their use-by-dates, the industry is in a critical position.

The industry needs a greater range of improved oil recovery techniques and the race for suitable, cost-effective solutions is now on.

The benefits of the proven Tracerco Profiler technology have now been taken subsea to provide the ultimate marriage between performance, reliability and the environment. Maintenance free the instrument provides vertical phase distribution, interface quality and level information to enable transparent separation.

Tracerco has provided the Profiler instrument that provides vital operational information for measurement and control of the separators. Although primarily used here to enable reliable two phase separation the Profiler technology employed is already capable of providing for the future needs of subsea separation. Each Profiler supports the configuration of up to 6 specific phase classifications which typically include sand, water, emulsion, water and foaming measurements.

The TRACERCO Profiler™ will allow reliable, robust, accurate, quantative and qualitative measurement of the various phases present within the separator. As well as providing real time information associated with the quality and extent of the interfaces, each phase is prescribed a density band or range and outputs are allocated to represent the phase elevations enabling tight control mechanisms to be administered by the package control system.

It is likely that over the next ten to twenty years, projects of this nature will become increasingly prevalent.

Beyond financial considerations, environmental pressures are highlighting the need to find cleaner methods of oil extraction, which will only increase over the coming years.

The following are awards that have been won by the TRACERCO Profiler™:
Northern Offshore - Innovation Award Finalist; Queens Award for Innovation Winner 2003; ICEST Award Runner Up; OTC Spotlight on New Technology Award 2004

Specifications    
  PRI 156/146 series
Topsides and Onshore
PRI 176 series
Subsea
Performance    
Level of accuracy +/-1% +/-1%
Density range 0-3000Kg/m3 0-3000Kg/m3
Max no. of density points Up to 150 Custom
Update interval 1 to 15 seconds 1 to 15 seconds
     
Electrical    
Safety code EEx ib IIC T4 Not applicable
Operating temperature -20°C to +125°C -20°C to +125°C
Hazardous area approvals ATEX, FM, CSA Not applicable
CE standards Shock/Fire hazard conforms to BS EN 61010
complies with EMC Directive 89/336/EEC
Electromagnetic compatibility complies with EMC Directive 89/336/EEC
Power requirement 100mA @ 10 volts DC 100mA @ 10 volts DC
Output from head MODBUS, Full duplex fibre optic communications link RS232/485 signal
Standard PLC option Allen Bradley Flexlogix Allen Bradley Flexlogix
Standard communications protocol Allen Bradley Ethernet CIP or DF1 Allen Bradley Ethernet CIP or DF1
Optional outputs Active 4-20mA analogue, digital volt free alarm Active 4-20mA analogue, digital volt free alarm
     
Intrinsically safe interfaces
Power Galvanic isolator giving 100mA @ 10volts DC
Isolator supply 14-35volts DC (24VDC nom.)
Not applicable
     
Mechanical    
Vessel nozzle size Will fit 2” and greater Custom (retrievable or fixed)
Dip-pipe casing Titanium (suitable for sour service NACE MR-01-75) Superduplex (standard) or to customer specification
Operating pressure 115 Barg standard, 185 Barg UHP version 345 Barg standard, Water depth 3000m
Probe operating temp. +125°C standard, +200°C with cooling
jacket (subject to operating pressure)
+125°C
Design code PD5500, ASME VIII Norsok M601, M650, ISO13628
Maximum Length Up to 20m Up to 15m

Brochure
A PDF version of The TRACERCO Profiler™ is available, to download it click here