Methods and systems to activate downhole tools with light

Details Methods and systems to activate downhole tools with light Methods and systems to activate downhole tools with light

E - Fixed Constructions

21

B

E21B 43/1185 (2006.01) E21B 23/00 (2006.01) E21B 47/12 (2006.01) F42B 3/113 (2006.01)

Patent

CA 2497269

The present invention comprises a system and methods to actuate downhole tools by transmitting an optical signal through an optical fiber (10) to the downhole tool (15). The optical signal can comprise a specific optical signal frequency, signal, wavelength or intensity. The downhole tool can comprise packers, perforating guns, flow control valves, such as sleeve valves and ball valves, samplers, sensors, pumps, screens (such as to expand), chemical cutters, plugs, detonators, or nipples.

L'invention concerne un système et des procédés permettant d'actionner des outils de fond par transmission d'un signal optique par fibre optique à l'outil de fond. Le signal optique peut avoir une fréquence, un signal, une longueur d'onde ou une intensité de signal optique spécifiques. L'outil de fond peut comprendre des garnitures, des perforateurs, des soupapes de régulation de débit, telles que des soupapes à manchon et des soupapes à bille, des échantillonneurs, des détecteurs, des pompes, des crépines (de manière à s'étendre), des coupe-tubes chimiques, des tampons, des détonateurs ou des duses.

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