Multi-drain drilling and petroleum production start-up device

Details Multi-drain drilling and petroleum production start-up device Multi-drain drilling and petroleum production start-up device

1984-08-09

1986-03-04

Levy, Stuart S.

Boring or penetrating the earth

Means carried by housing insertable in inaccessible hole to...

1661175, 175 61, E21B 708, E21B 4328, E21B 2906

Patent

active

045735417

ABSTRACT:
Multi-drain drilling and petroleum production start-up device.
This comprises at least one take-off assembly (11) which is fastened in situ in an outer tube of the well and at least one take-off tube (12 to 14) of which communicates by its lower end with a branched well.
The invention is used, in particular, in branched wells.

REFERENCES:
patent: 1900163 (1933-03-01), Dana
patent: 2492079 (1949-12-01), Wiley
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patent: 4067385 (1978-01-01), Schwager et al.
patent: 4236734 (1980-12-01), Ahangarzadeh
patent: 4396075 (1983-08-01), Wood et al.
patent: 4396230 (1983-08-01), Wood et al.
patent: 4402551 (1983-09-01), Wood et al.
patent: 4415205 (1983-11-01), Rehm et al.
patent: 4444276 (1984-04-01), Peterson, Jr.

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