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The new-build diesel-fired steam generating plant developed by Coates Offshore are designed with global standards and requirements in mind. Whether it be container specification or pressure vessel code acceptability in all offshore oil and gas regions, this range of steam generators are uniquely equipped to meet your demands.
The three pass wet back boiler is matched to typical heat exchanges capacities in well testing operation and features a reliable diesel burner unit and safety shut-downs for low and extra low water level, loss of feed-water, high pressure and flame failure. Additionally, the top-up water tank can accommodate steam/water returns when available.
Externally, the containers and built to DNV and EC standards for operation anywhere in the world and feature easy-to access outlet connections for connecting the supplied 100m of steam hose and built-in spark arrestor accessed from inside the unit.
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Features
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- Three-pass, wet-back design boiler with low external temperatures
- Combined ASME 1 and CE marked BS2790 design boiler for certification in all regions
- 20ft container designed to DNV2.7-1/EC for ease of shipping and operation globally
- Water return and fuel storage tanks mounted within the container
- Internal spark arrestor
- Remote emergency shutdown facility
- Steam package ships with a certified steam hose & fittings package
- Coates steam operators are also competent in the operation of compressor installations
- All access from one side and one end
- ESD connection for connection to rig safety systems
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Options
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- 'Add-on' conversion package for NORSOK application
- Competent offshore personnel for steam operation & well test support
- Burner midification for Gas or Dual fuel capability
- External fuelling from remote tank
- GOST design calculations for Russian/FSU applications
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Performance
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SATURATED STEAM FLOW
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WORKING PRESSURE
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MAX STEAM TEMPERATURE
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FUEL CONSUMPTION
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FULL TANK
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MBtu
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kg/hr*
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PSIG
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barg
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°C
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litres/hr
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litres
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| 4.5 MBtu CRS |
4.5 MBtu
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2000
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150
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10.34
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185°C
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142.7
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1035
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| 5.6 MBtu |
5.6 MBtu
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2500
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150
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10.34
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1200
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| 5.8 MBtu CRS |
5.8MBtu
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2720
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150
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10.34
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185°C
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193.4
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1035
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* Saturated steam output is based on a closed system installation with full hot water returns
Water consumption without returns to hot well are 2000 litres/hour (4.5MBtu) & 2720 litres/hour (5.8MBtu). |
Specifications
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LENGTH
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WIDTH
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HEIGHT
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WEIGHTS
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mm
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mm
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mm
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kg (dry)
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kg (operating)
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| 4.5 MBtu CRS |
6058
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2438
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2833
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10,400
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14,000
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| 5.6 MBtu |
6100
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2750
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3250
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14,900
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| 5.8 MBtu CRS |
6058
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2438
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2833
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10,900
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14,000
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Service and utility requirements
- The burner and pump require a combined power supply of - 20kVA - both models
- Power supply can be 380-440V and 50 or 60 Hz
- Coates steam generators are certified for manned operation offshore and engineer support is required for monitoring performance & refuelling and for rigging & de-rigging.
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