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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

The reservoir-drive mechanism whereby oil is produced by the expansion of the underlying water which forces the oil into the wellbore.  2, record 1, English, - water%20drive

Record number: 1, Textual support number: 1 CONT

Sometimes water from adjacent porous sands flows under great pressure and pushes the oil toward the well and up to the surface. This water drive is the most efficient natural recovery mechanism.  3, record 1, English, - water%20drive

Record number: 1, Textual support number: 2 CONT

In general, there are two types of water drives: (1) bottom-water drive, in which the oil is totally underlain by water, and (2) edgewater drive, in which only the edge of the oil is in contact with the water. Bottom-water drive is the more efficient of the two types.  2, record 1, English, - water%20drive

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Mode de production où l'huile est déplacée par de l'eau provenant de l'expansion d'un aquifère situé soit sous le gisement lui-même ou sur le flanc du gisement.  1, record 1, French, - d%C3%A9placement%20par%20pouss%C3%A9e%20d%27eau

Record number: 1, Textual support number: 1 CONT

Les gisements de pétrole produisent suivant quatre mécanismes : par expansion des gaz dissous [...], par expansion de la calotte de gaz [...], par poussée des eaux de gisements (water-drive) et par drainage par gravité.  3, record 1, French, - d%C3%A9placement%20par%20pouss%C3%A9e%20d%27eau

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A method of secondary recovery in which large quantities of water are injected to displace additional oil to wellbores, where the oil can be recovered.  2, record 2, English, - water%20flooding

Record number: 2, Textual support number: 1 CONT

[A] widely used secondary recovery method is water flooding. Water, after treatment to remove certain impurities, is injected through some of the wells. In moving through the formation, it pushes oil toward the remaining production wells. The wells to be used for water injection are usually spaced evenly among the producing wells so that the oil has the shortest possible paths to follow.  5, record 2, English, - water%20flooding

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Méthode de récupération de quantités additionnelles d'huile par injection d'eau dans la formation par des puits forés à cet effet.  4, record 2, French, - injection%20d%27eau

Record number: 2, Textual support number: 1 CONT

L'injection d'eau (ou water flooding) s'effectue en introduisant, sous pression, de l'eau en grande quantité par un certain nombre de puits d'injection et permet de déplacer ainsi le pétrole brut vers des puits de production.  5, record 2, French, - injection%20d%27eau

Record number: 2, Textual support number: 1 OBS

injection d'eau : terme officiellement recommandé par le Gouvernement français ainsi que le précise la source BTECH (Termes techniques nouveaux de Bruno de Bessé).  6, record 2, French, - injection%20d%27eau

Record 2,  Textual support,  Spanish