Method and apparatus using flexible hose in logging highly devia

Details Method and apparatus using flexible hose in logging highly devia Method and apparatus using flexible hose in logging highly devia

1977-09-02

1979-09-25

Purser, Ernest R.

Wells

Processes

With indicating, testing, measuring or locating

166315, E21B 4700

Patent

active

041687477

ABSTRACT:
After drilling an earth borehole, the drill pipe and drill bit are removed from the borehole and the drill pipe is reinserted into the borehole. A flexible hose such as a fire hose, and having a retro-nozzle at its lower end, is then pumped down through the interior of the drill pipe and a portion of the hose is pumped out through the end of the drill pipe for a desired distance. A well logging instrument is pumped through the flexible hose which extends down past the bottom of the drill pipe and well logging operations are performed through the flexible hose. In very hot wells, the drilling mud or other circulating fluid can continue to be pumped through the flexible hose to provide cooling of the well logging instrument.

REFERENCES:
patent: 2852230 (1958-09-01), Garrison
patent: 3394760 (1968-07-01), Childers et al.
patent: 3394760 (1968-07-01), Childers et al.
patent: 3401749 (1968-09-01), Daniel
patent: 3467196 (1969-09-01), Kinsman
patent: 3920076 (1975-11-01), Laky
patent: 4064939 (1977-12-01), Marquis

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