Production Riser Tensioner 125 Flyer
User Manual: Production Riser Tensioner 125 Flyer Resource Library
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Production Riser Tensioner PRT125 Overview Cameron’s production riser tensioner unit is designed to maintain the production riser system in tension to prevent buckling under compressive loading from self weight and to compensate for ocean currents, waves and relative movements between the platform and the riser. In the design and engineering of the system, Cameron has focused on using well-proven technology, such as the hydropneumatic principle and robust and reliable components. Cameron’s production riser tensioner system includes the production riser tensioner units and the production riser tensioner control panel. The PRT125 model has a maximum rated tension capacity of 125 tonnes (275 kips) and is designed to accommodate the most common production riser outer diameters. The production riser tensioner control panel features a panel for monitoring the operation of each of the production riser tensioner units. Features and Benefits • Adjustable tension • Low-maintenance requirements • Remote system monitoring of the tension and fluid level • R elief valves protect the accumulators and tensioner cylinders from over-pressure situations • S ystem provides full tension capacity, even if one cylinder/accumulator unit is out of service • P iston rod made of carbon steel and coated with a nonporous layer with corrosion resistance • E asy and reliable shackle suspension at both ends of the cylinder • M onitoring signals are easily available for readout for the driller in the driller’s control room • E ach cylinder is equipped with a cushioning device at the rod end (extended) to protect the cylinder should unintentional movement occur Technical Specifications SI Imperial (US) Production riser tensioner units Tension capacity 125 tonnes 275 kips Number of cylinder/accumulator units 4 Maximum vertical riser movement Riser stroke range – upstroke/downstroke 2134 mm 7 ft 366 mm/1768 mm 1.2 ft/5.8 ft Cylinder stroke length 2500 mm 8.2 ft Piston diameter 200 mm 7.87” Rod diameter 90 mm 3.54” Cylinder pressure at zero position and maximum tension 132 bar 1910 psi Cylinder pressure at zero position and maximum tension with 3 PRTUs 175 bar 2540 psi Design pressure rod side 207 bar 3000 psi Design pressure piston side 6 bar 90 psi Accumulator volume 220 l 58 gal Angle between cylinder and vertical riser at zero position 13 deg Hydraulic fluid type Glycol/water-based Ambient operating temperature -20° C to 40° C Area classification -4° F to 104° F Zone 1 hazardous area Technical Specifications SI Imperial (US) 207 bar 3000 psi Production riser tensioner control panel Design pressure Hydraulic fluid type Glycol/water-based Design temperature -20° C to 40° C Area classification -4° F to 104° F Zone 1 hazardous area Scope of Supply Options Four production riser tensioner units, each mainly consisting of a cylinder, an accumulator, valves, lifting lugs, pressure transmitters and shackles in both cylinder ends Fluid filling unit One production riser tensioner control panel which comprises valves, digital pressure displays, digital tension displays and alarm indication lamps Riser guiding and centralizer system Set of documentation A structural mounting frame for the cylinder/accumulator assemblies 4601 Westway Park Blvd. Houston, TX 77041 USA Tel 1 713 939 2211 © 2013 Cameron | 06/13 AD00583DRL Andøyfaret 3 N-4623 Kristiansand S. Norway Tel 47 380 00 570 drilling@c-a-m.com | www.c-a-m.com
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