TERMIUM Plus®

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

DIRECTIONAL SURVEY [2 records]

Record 1 2004-09-07

English

Subject field(s)
  • Oil Drilling
  • Range Measurements (Telecommunications)
DEF

An operation made to determine the angle from which a bit has been deviated from the vertical during drilling.

OBS

There are two basic deviation survey, or drift survey, instruments: one reveals the angle of deviation only; the other indicates both the angle and direction of deviation.

OBS

A single-shot directional survey instrument makes a single photograph of a compass reading of the drift direction and the number of degrees the hole is off vertical. A multishot survey instrument is used to obtain numerous readings in the hole as the device is pull out of the well.

French

Domaine(s)
  • Forage des puits de pétrole
  • Mesures à distance (Télécommunications)

Spanish

Save record 1

Record 2 2000-12-13

English

Subject field(s)
  • Peace-Keeping Operations
  • Arms Control

French

Domaine(s)
  • Opérations de maintien de la paix
  • Contrôle des armements
OBS

Reproduit du lexique «Disarmament and Peace Keeping/Désarmement et Maintien de la Paix» avec l'autorisation de l'Office des Nations Unies à Genève.

Spanish

Save record 2

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