Method and apparatus for logging a well using a fiber optic...

Details Method and apparatus for logging a well using a fiber optic... Method and apparatus for logging a well using a fiber optic...

2011-03-08

2011-03-08

Neuder, William P (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C166S066000

Reexamination Certificate

active

07900699

ABSTRACT:
A system and method to log a wellbore, comprising a logging tool adapted to be deployed in a wellbore environment, the logging tool including at least one sensor for taking a measurement of the wellbore environment. The sensor is a fiber optic sensor and the system includes a fiber optic line in optical communication with the sensor. The data measured by the sensor is transmitted through the fiber optic line on a real time basis to the surface, Where the data is processed into a real time display. In one embodiment, the fiber optic sensor is a passive sensor not requiring electrical or battery power. In another embodiment, a continuous tube with one end at the earth's surface and the other end in the wellbore is attached to the logging tool and includes the fiber optic line disposed therein.

REFERENCES:
patent: 6693660 (2004-02-01), Hemmings
patent: 2001/0029863 (2001-10-01), Hemmings
patent: 2005/0034857 (2005-02-01), Defretin et al.
patent: 2005/0263281 (2005-12-01), Lovell et al.

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