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PIPELINE PIG [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

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.

Save record 1

Record 2 2006-02-21

English

Subject field(s)
  • Petroleum Technology - Maintenance
  • Oil and Gas Distribution Facilities
OBS

Pigging has been used for many years to clean larger diameter pipelines in the oil industry.... Pigging is the cleaning out of pipelines, between processes, with a special contoured plug or Pig. The pig is driven down the pipeline by compressed gas, fluid or even product to give a clean line ready for reuse. A pig can be used either as a separator between two products, or as a method of cleaning out the pipeline at the end of a batch transfer.

French

Domaine(s)
  • Entretien (Technologie pétrolière)
  • Install. de distrib. (Pétrole et gaz naturel)

Spanish

Save record 2

Record 3 2000-05-10

English

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

To force a device called a pig through a pipeline or a flow line for the purpose of cleaning the interior walls of the pipe...

CONT

Why pig a pipeline?... After the pipeline is built, it will be necessary to run pigs to remove any debris left in the line from new construction;... When the pipeline is in service, it wil be necessary to pig the line to maintain line efficiency and aid in the control of corrosion.

French

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

racleur ou ramoneur : Sphère ou obus garni de brosses que l'on fait passer dans un pipeline pour en racler et nettoyer la paroi interne.

Spanish

Save record 3

Record 4 2000-05-10

English

Subject field(s)
  • Long-Distance Pipelines
  • Transport of Oil and Natural Gas
CONT

Gauging pigs are used after constructing the pipeline to determine if there are any obstructions in the pipeline. It assures the ovality of the line is within accepted tolerance. The gauging plate is usually mounted on the front of the pig... The outside diameter of the plate is 90-95% of the pipe's inside diameter.

CONT

The owner may... require a pig to verify the ovality of the pipeline. This will require a gauging pig and sometimes a geometry pig.

Key term(s)
  • gaging pig
  • calibration pig
  • caliber pig

French

Domaine(s)
  • Canalisations à grande distance
  • Transport du pétrole et du gaz naturel

Spanish

Save record 4

Record 5 2000-04-26

English

Subject field(s)
  • Transport of Oil and Natural Gas
  • Long-Distance Pipelines
DEF

A utility pig that forms a moving seal in a pipeline to separate liquid from gas media or to separate two different products being transported in the pipeline.

CONT

Batching pigs are used to separate dissimilar fluids such as various grades of gasoline, heating oils, etc. in multiple products pipelines. These pigs are unidirectional if they have scraper cups and bidirectional if they are equipped with discs.

CONT

A typical batching pig is a cylinder with neoprene or plastic cups on either end and is used to separate different products traveling in the same pipeline.

CONT

The most common configurations of batching pigs are cup pigs and sphere pigs.

French

Domaine(s)
  • Transport du pétrole et du gaz naturel
  • Canalisations à grande distance

Spanish

Save record 5

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