stand off measurement

21:34 Jul 12, 2018
This question was closed without grading. Reason: Answer found elsewhere

English to French translations [PRO]
Tech/Engineering - Engineering (general) / inspection de pipeline
English term or phrase: stand off measurement

Il s'agit de mesures effectuées dans le cadre d'une inspection de pipeline à l'aide d'un dispositif racleur (pig) équipé d'émetteurs à ultrasons.

J'ai un graphique avec une courbe "stand off measurements" et une autre "wall thickness measurement"

david henrion
Local time: 10:31

Summary of answers provided
3mesure d'écart
Kevin Oheix
Summary of reference entries provided
oil pipeline standoff (fixed distance) measurement

Discussion entries: 2



11 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
mesure d'écart

"Écart" (espacement) could refer to the distance traveled before encountering the wall.

Oil drilling: "mesure de la distance annulaire"

Other translations for "standoff" could be "structure fonctionnelle" and "écarteur", "entretoise" (piece of wood or iron)

Kevin Oheix
Local time: 10:31
Native speaker of: Native in FrenchFrench
PRO pts in category: 4
Notes to answerer
Asker: Merci Kevin, le sens est là mais on parlera plutôt de "mesures de distance à la paroi". C'est effectivement la mesure de la distance entre l'émetteur et la paroi intérieure de la canalisation.

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Reference comments

27 mins
Reference: oil pipeline standoff (fixed distance) measurement

Reference information:
Standoff Raman spectrometer identifies liquids in gas pipelines ...
30 mar. 2015 - The instrument was mounted 40 m away from the pipeline, with the optical fibers running to the measurement location.

Diagnostics and Reliability of Pipeline Systems -
Sviatoslav Timashev, ‎Anna Bushinskaya - 2016 - ‎Science
... ±13mm ±10mm Measurement accuracy of defect location along the pipe axis ... which ensures a fixed distance (standoff) between their emitting surface and the ... and the pipe surface to be filled with a liquid medium (water, oil, oil products).

Standoff missile - Wikipedia
Standoff missiles are missiles or bombs which may be launched at a distance sufficient to allow attacking personnel to evade defensive fire from the target area.

Note added at 31 mins (2018-07-12 22:06:16 GMT)

standoff - Schlumberger Oilfield Glossary


3. n. [Formation Evaluation]

A piece of material designed to hold a logging tool a certain distance away from the borehole wall. It is usually made of hard rubber and consists of four to six fins of the desired length.

Note added at 34 mins (2018-07-12 22:09:04 GMT)

standoff - Schlumberger Oilfield Glossary


2. n. [Formation Evaluation]

The distance between the external surface of a logging tool and the borehole wall. This distance has an important effect on the response of some logging measurements, notably induction and neutron porosity logs. For resistivity tools, the effect of standoff is taken into account in the borehole correction. In the neutron porosity tool, it is usually corrected for separately. In a smooth, regular hole, the standoff is constant and determined by the geometry of the logging tool string and the borehole. In rugose or irregular holes, standoff varies with depth.

Native speaker of: Native in EnglishEnglish
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