Lxdata Inc.

Weatherford Canada Partnership

Bai Zhou

André Vincelette

Sébastien Miville

Andre R Vincelette

A method for measuring a physical parameter at a plurality of spaced locations in a subterranean formation using a temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20&#xb0; C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2&#xb0; C.

Temperature sensor using an optical fiber

A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20&#xb0; C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2&#xb0; C.

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Brossard, Canada

Bai Zhou