Logging of subterranean wells using coiled tubing

Details Logging of subterranean wells using coiled tubing Logging of subterranean wells using coiled tubing

1990-02-26

1991-01-15

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166 651, 166385, 166372, E21B 4300, E21B 4700

Patent

active

049846345

ABSTRACT:
An apparatus for production logging of a well utilizing artificial lift in a wellbore comprises coiled tubing extending into the wellbore, the coiled tubing having gas injector means provided on its remote end and including means for electrical communication from the surface to the injector means; production logging tool means located within the wellbore at a distance so as to separate the logging tool from the injector means and connector means interconnecting the logging tool and the injector means for maintaining a fixed separation between the logging tool and the injector means and for effecting electrical communication from the production logging tool to the electrical communication means located within the injector means.

REFERENCES:
patent: 3373816 (1968-03-01), Cochran
patent: 3722589 (1973-03-01), Smith et al.
patent: 4326411 (1982-04-01), Gant et al.
patent: 4682657 (1987-07-01), Crawford
patent: 4715446 (1987-12-01), Wittrisch
patent: 4725783 (1988-02-01), Miyairi et al.
patent: 4790378 (1988-12-01), Montgomery et al.

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