TERMIUM Plus®

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SIDETRACKED HOLE [1 record]

Record 1 2005-08-17

English

Subject field(s)
  • Oil Drilling
  • Boring and Drilling (Mines)
  • Geological Research and Exploration
DEF

A wellbore purposely drilled at some angle from the vertical.

OBS

deflected: [Said of] a borehole, the course of which has intentionally or unintentionally been changed at some point below the collar.

OBS

The ability to aim a bore in any direction can be extremely useful for either of two specific purposes: it can provide means of sealing off a "rogue" bore that has broken out of control; it offers great possibilities of economizing in surface pipework and in land acquisition costs, while at the same time giving access to parts of an aquifer that underlie difficult or inaccessible terrain.

OBS

The term "directional drilling" usually refers to the method of drilling but can sometimes refer to the result obtained by this method.

Key term(s)
  • side-tracked hole

French

Domaine(s)
  • Forage des puits de pétrole
  • Sondage et forage miniers
  • Recherches et prospections géologiques
DEF

Puits [...] effectué pour passer à côté d'un objet qu'on n'a pu repêcher.

OBS

L'aptitude à diriger un forage dans n'importe quelle direction choisie peut être extrêmement utile pour chacun des deux objectifs spécifiques suivants : elle peut permettre d'obturer un forage «malicieux» qui s'est affranchi de tout contrôle [...]; elle offre de grandes possibilités de faire des économies en tuyauterie et en coûts d'acquisition de terres, tout en donnant accès à des parties d'un aquifère qui se trouvent en terrain difficile ou inaccessible.

OBS

forage : En français, on se sert du même mot pour désigner la méthode ainsi que son résultat, le puits.

Spanish

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