TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

... a procedure adopted in special circumstances when the circulating fluid is pumped down the annular space between the well wall and the drill pipe and is returned through the drill string.  4, record 1, English, - reverse%20circulation

Record number: 1, Textual support number: 1 OBS

For special problems, normal circulation is sometimes reversed, and the fluid returns to the surface through the drill stem, or tubing, after being pumped down the annulus.  5, record 1, English, - reverse%20circulation

Record number: 1, Textual support number: 2 OBS

In reverse circulation methods, the fluid is introduced at the annulus and returns inside the drill string.  6, record 1, English, - reverse%20circulation

Record number: 1, Textual support number: 3 OBS

As opposed to "normal circulation."  7, record 1, English, - reverse%20circulation

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

[Circulation du fluide de forage] de l'annulaire vers le tube de production.  2, record 1, French, - circulation%20inverse

Record number: 1, Textual support number: 1 CONT

«Circulation inverse» [...] on peut, en renversant le sens de circulation, c'est-à-dire en injectant la boue dans l'espace annulaire du forage éventuellement obturé à sa partie supérieure par un presse-étoupe laissant passer les tiges, profiter de la vitesse ascensionnelle de la boue dans les tiges pour remonter au jour les morceaux de carottes au fur et à mesure de leur extraction.  3, record 1, French, - circulation%20inverse

Record 1,  Textual support,  Spanish