TERMIUM Plus®

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PETROLEUM TRAP [1 record]

Record 1 2017-07-21

English

Subject field(s)
  • Petroleum Deposits
DEF

An underground rock formation that blocks the movement of petroleum and causes it to accumulate in a reservoir that can be exploited.

CONT

The oil is accompanied always by water and often by natural gas; all are confined in a porous and permeable reservoir rock, which is usually composed of sedimentary rock ... The natural gas, being lightest, occupies the top of the trap and is underlain by the oil and then the water.

French

Domaine(s)
  • Gisements pétrolifères
CONT

Les réservoirs sont constitués d'une couche de roche perméable avec une autre couche de roche imperméable au-dessus (roche couverture), une telle couche de roche imperméable forme un piège pétrolifère qui maintient le pétrole ou le gaz en place.

Spanish

Campo(s) temático(s)
  • Yacimientos petrolíferos
DEF

Estructura geológica en la cual se acumula el petróleo sin poder proseguir su ascensión natural hacia la superficie.

CONT

En general, [el petróleo] acaba detenido por una capa de roca impermeable (marga o arcilla). Se encuentra entonces contenido [...] en una formación que constituye la trampa.

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