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Soluforce is a brandname of Pipelife for a Reinforced Thermoplastic Pipe (RTP).


Soluforce is an RTP, which is a flexible pipe, supplied in long length coils up to 400m length and pressure ratings from 30 to 90 bar. In the last few years, this type of pipe has been acknowledged as the standardised solution for oilfield flowlines and also recently used offshore for water injection risers and oil flowlines.[1]

A very great advantage of this pipe is also its very fast installation time compared to steel pipe as speeds up to 1000 m/h have been reached installing RTP in ground surface.[2]
The pipe mainly benefits applications where steel fails due to corrosion and installation time is an issue.[3] Beside the application for oil transportation, this pipe is also applied for gas transport lines.[4]


The Soluforce RTP is a three layer pipe construction:

  1. A HDPE liner pipe
  2. The reinforcement layer, typically Aramid (Twaron or Kevlar)
  3. The HDPE protective outer layer for UV, damage and abrasion protection

Typical applications

Soluforce is used for the following applications:

  • Oil field flowlines
  • Oil field waste water disposal lines
  • Oil field injection lines
  • Offshore water injection risers
  • Offshore oil flowlines[5]
  • High pressure Water transportation lines
  • High pressure gas transport lines[6]
  • Relining existing pipes[7]

Testing and qualification

Solufoce RTP is tested and acknowledged by the following instances:

  • DNV Certification D-2615 - Soluforce System 4" and 5" with in-line couplings and end fittings
  • ASTM - WK11803[dead link]
  • API - RP 15S (oil field service)
  • ISO/TS 18226:2006 (gas service)
  • DVGW VP 642 (German gas service)[dead link]
  • NYSEARCH project by the Northeast Gas Association (USA)

External links

  • JIP proposal 1999 from Newcastle University
  • Conference paper 23rd World Gas Conference
  • Soluforce homepage

See also


  1. ^ Bert Dalmolen (2006). "Reinforced thermoplastic pipe: standardised composite solution for oilfield flowlines" (PDF). PetroMin (October): 30–37. Archived from the original (– Scholar search) on October 8, 2007. 
  2. ^ Soluforce (2006). "Soluforce lays Sumatra pipeline in a jiffy" (PDF). PetroMin (December): 32–34. Archived from the original (– Scholar search) on October 8, 2007. 
  3. ^ Pipelife (2004). "Fiber Reinforced Plastic Pipe Vies With Steel" (PDF). Pipeline & Gas Journal (December). Archived from the original (– Scholar search) on March 16, 2006. 
  4. ^ Dr. Kerstin Grass, Thüga AG (2005). "Einsatz von faserverstärkten Rohren im Gashochdruckbereich" (PDF). Krv Nachrichten. 2/2005: 17–20. Archived from the original (– Scholar search) on October 12, 2007. 
  5. ^ Rapra Conference Proceedings 2001 (2001). Oilfield Engineering with Polymers 2001: Exploring the Limits of Materials Technology, Session 7. Rapra Technology. ISBN 978-1-85957-300-6. Archived from the original on May 25, 2006. 
  6. ^ Mannes Wolters (2006). "REINFORCED THERMOPLASTIC PIPELINE (RTP) SYSTEMS FOR GAS DISTRIBUTION" (PDF). Paper: 23rd World Gas Conference. Archived from the original (PDF) on September 28, 2007. 
  7. ^ EOS Ruhrgas, Werner Wessing (2005). "Neue Kunststoffrohrsysteme fur den Hochdruckbereich" (PDF). Bregenzer Rohrleitungstage - bbr (Sept 2005): 12–13. 


  • Pipeline Report (1996). "Test confirm polyethylene pipe for high-pressure oil, gas service". Oil & Gas Journal (Sept, 9): 52–55. 
  • Helmut Lührsen (2001). "Reinforced Thermoplastic Pipes (RTP)". 3R international. 40: 48–49. 
  • Robert Eckert (2005). "Neuartige Verbindungstechnik für faserverstarkte Kunststofrohren in Hochdrukanwendungen". 3R international. 44: 266–268. 

External links

  • Tube&Pipe Technology Feature news
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