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

E - Fixed Constructions

21

B

166/40

E21B 43/14 (2006.01) E21B 7/06 (2006.01) E21B 33/14 (2006.01) E21B 41/00 (2006.01)

Patent

CA 1220416

ABSTRACT Multi-drain drilling and petroleum production start-up device. 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 means of its lower end with a branched well. The invention is used, in particular, in bran- ched wells. Figure 2.

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