Double-ended distributed temperature sensing system

Details Double-ended distributed temperature sensing system Double-ended distributed temperature sensing system

G - Physics

01

K

G01K 11/32 (2006.01)

Patent

CA 2530986

The present invention comprises a system for deploying double-ended distributed temperature sensing (DTS) systems which utilizes less space than prior art systems. In one embodiment, the present invention comprises a cable having at least two independent optical fibers or cores, the at least two optical fibers or cores having angled ends coated with a reflective material, the angled ends providing an optical connection between the two optical fibers or cores so that light can be transmitted therebetween. In another embodiment, the present invention comprises two optical fibers that are optically connected by an optical connection mechanism. All embodiments of the present invention may be deployed within a wellbore and within a single-ended tubing or control line, thus providing double~ended DTS system operation in a single- ended line.

L'invention concerne un système pour déployer des systèmes de détection de température répartis (DTS) doubles, ce système utilisant moins d'espace que les systèmes antérieurs. Un mode de réalisation de l'invention concerne un câble comprenant au moins deux fibres ou coeurs optiques indépendants présentant des extrémités coudées revêtues d'un matériau réfléchissant, ces extrémités coudées établissant un raccordement optique entre les deux fibres ou coeurs optiques de sorte qu'une transmission de lumière puisse avoir lieu entre ces éléments. Dans un autre mode de réalisation, deux fibres optiques sont raccordées optiquement par un mécanisme de raccordement optique. Tous les modes de réalisation de l'invention peuvent être déployés dans un puits de forage à l'intérieur d'un tube de production ou d'une ligne de commande simple, le système DTS double pouvant ainsi fonctionner dans une ligne simple.

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