TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BASE CAP ROCK [1 record]

Record 1 2005-03-29

English

Subject field(s)
  • Petrography
  • Petroleum Deposits
CONT

The main advantage of steam injection over other enhanced oil recovery methods is that steam can be applied to a wide variety of reservoirs. Two limiting factors are: depth ... and reservoir thickness [which] is determined by the rate of heat loss to base and cap rock.

CONT

Heat losses to the formations above and below the oil-bearing formation are appreciable when the sands are thin.

Key term(s)
  • formation above
  • formation below

French

Domaine(s)
  • Pétrographie
  • Gisements pétrolifères
DEF

éponte : Chacune des surfaces limitant un filon et bordure de la roche encaissante au contact.

CONT

[...] les pertes thermiques jouent un grand rôle dans les possibilités d'utilisation des méthodes de récupération par injection de fluides chauds. [...] La perte thermique dans les épontes [...] abaisse localement la température [...]

CONT

Lors de la combustion à co-courant, la chaleur emmagasinée dans la matrice, qui n'est pas utilisée pour préchauffer l'air injecté, est perdue vers les formations encaissantes.

Key term(s)
  • formation encaissante
  • éponte

Spanish

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