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PIPELINE SCRAPER [1 record]

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Alphabetical list of terms

Record 1 2006-10-24

English

Subject field(s)
  • Long-Distance Pipelines
  • Petroleum Technology - Instrumentation
  • Petroleum Technology - Maintenance
DEF

A special spiral apparatus that is sent through a pipeline to clean out the sediment.

CONT

Scraper traps and launchers are installed parallel to the line. From these locations scrapers or cleaning spheres ("pigs") may be put into the line and removed. "Pigs" are used both in cleaning operations and in maintaining batch separation of different commodities passed through "multiple products" lines.

CONT

A typical cleaning pig - also called a "line scraper" or "go-devil" - travels with the flow of product in the line, cleaning the walls of the pipe by means of blades or brushes affixed to it.

OBS

[There exists no definitive explanation to the use of the term "pig":] there are stories of the ancient Romans cleaning aqueducts using pig skins. There are also stories of pioneers using bundles of straw wrapped with barbed wire to clean out early oil pipes. The scraping of the wire in the pipe sounded like pigs squealing.

French

Domaine(s)
  • Canalisations à grande distance
  • Instruments (Technologie pétrolière)
  • Entretien (Technologie pétrolière)
DEF

Sphère ou obus garni de brosses que l'on fait passer dans un pipeline pour en racler et nettoyer la paroi interne, l'entrée et la sortie se faisant grâce à un sas latéral appelé «gare».

OBS

Le terme «racleur» s'écrit sans accent circonflexe sur le «a».

Spanish

Campo(s) temático(s)
  • Tuberías de larga distancia
  • Instrumentación (Tecnología petrolera)
  • Mantenimiento (Tecnología petrolera)
OBS

Para oleoductos.

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