TERMIUM Plus®

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

DYNA-DRILL [2 records]

Record 1 2011-04-01

English

Subject field(s)
  • Trade Names
  • Motors (Machinery)
  • Oil Drilling
OBS

A trade name for a downhole motor driven by drilling fluid that imparts rotary motion to a drilling bit connected to the tool, thus eliminating the need to turn the entire drill stem in order to make hole.

OBS

There are two types of turbodrill or down-hole mud motor: the turbine, of which there are about six successful types, and the Dynadrill, a Moyno pump operating in reverse, consisting of a spiral shaft contained within a rubber sleeve.

OBS

Electric tools, now out of production.

OBS

Dyna-Drill™ : A trademark of Dyna-Drill.

French

Domaine(s)
  • Appellations commerciales
  • Moteurs mécaniques
  • Forage des puits de pétrole
OBS

Dénomination d'un moteur de fond volumétrique.

OBS

Dyna-drillMC : Marque de commerce de Dyna-Drill.

Spanish

Save record 1

Record 2 1998-04-20

English

Subject field(s)
  • Motors (Machinery)
  • Oil Drilling
DEF

A turbodrill or Dyna-Drill.

CONT

When a downhole motor is used, it is attached to the lower end of the drill string; then the bit is attached to the bottom end of the downhole motor. The drilling motor rotates the bit, rather than the bit being rotated by the drill pipe string.

CONT

There are two types of turbodrill or down-hole mud motor: the turbine, of which there are about six successful types, and the Dynadrill, a Moyno pump operating in reverse, consisting of a spiral shaft contained within a rubber sleeve. ... The down-hole turbine is basically similar to a gas turbine having a multi-stage stator and rotor.

OBS

Source of "downhole motor": Kennedy, John L. Fundamentals of Drilling: Technology and Economics. Tulsa (Okla.): PennWell, 1983, p. 34.

French

Domaine(s)
  • Moteurs mécaniques
  • Forage des puits de pétrole

Spanish

Save record 2

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