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HEAT LOSS BASE CAP ROCK [4 records]

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

Save record 1

Record 2 2001-12-04

English

Subject field(s)
  • Petroleum Deposits
CONT

The reservoir thickness is determined by the rate of heat loss to base and cap rock.

French

Domaine(s)
  • Gisements pétrolifères
OBS

[Déplacement par fluides chauds.] Deux paramètres principaux limitent [...] le choix des sites, l'importance relative des fuites thermiques qui dépend de l'épaisseur de la couche comme de sa profondeur [...] On admet généralement que l'épaisseur doit être supérieure à 10 m.

Spanish

Save record 2

Record 3 2001-07-25

English

Subject field(s)
  • Oil Production
CONT

... because of the excessive heat losses in surface transmission, wellbore and reservoir rock, steam injection is generally preferred.

French

Domaine(s)
  • Production pétrolière

Spanish

Save record 3

Record 4 2001-07-25

English

Subject field(s)
  • Oil Production
CONT

... equation gives the total heat loss to the cap rock, and of the base rock has the same thermal conductivity, density and heat capacity as that of the cap rock, then the total heat loss to the base and cap rock combined would be twice that given by Equation 4.

French

Domaine(s)
  • Production pétrolière
CONT

La fuite thermique dans la formation supérieure au droit de l'élément dA représentant l'extension de la zone vapeur [...] est donc [...]

OBS

Le même texte parle de la «formation encaissante supérieure» quelques lignes plus haut.

Key term(s)
  • fuite thermique dans la formation encaissante supérieure

Spanish

Save record 4

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