EP 0136935 A1 19850410 - Device for drilling a multidrain oil well and for putting it into production.
Title (en)
Device for drilling a multidrain oil well and for putting it into production.
Title (de)
Vorrichtung zum Bohren von und Gewinnen aus einem Multidrain-Bohrloch.
Title (fr)
Dispositif de forage et de mise en production pétrolière multidrains.
Publication
Application
Priority
FR 8313981 A 19830831
Abstract (en)
[origin: ES8505018A1] 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.
Abstract (fr)
Dispositif de forage et de mise en production pétrolière multidrains. Il est caractérisé en ce qu'il comprend au moins un ensemble de dérivation (11) fixé in situ dans un tube externe du puits et dont au moins un tube de dérivation (12 à 14) communique par son extrémité inférieure avec un puits ramifié. Application aux puits ramifiés notamment.
IPC 1-7
IPC 8 full level
E21B 43/00 (2006.01); E21B 7/06 (2006.01); E21B 7/08 (2006.01); E21B 33/14 (2006.01); E21B 41/00 (2006.01); E21B 43/14 (2006.01)
CPC (source: EP US)
E21B 7/061 (2013.01 - EP US); E21B 33/14 (2013.01 - EP US); E21B 41/0035 (2013.01 - EP US); E21B 43/14 (2013.01 - EP US)
Citation (search report)
- [A] US 2492079 A 19491220 - WILEY ROSS E
- [A] US 4236734 A 19801202 - AHANGARZADEH MANSOUR
- [A] US 4067385 A 19780110 - SCHWAGER THOMAS E, et al
- [A] FR 1187727 A 19590915 - JERSEY PROD RES CO
- [A] US 3330349 A 19670711 - OWSLEY WILLIAM D, et al
- [A] US 1900163 A 19330307 - DREXLER DANA, et al
Designated contracting state (EPC)
DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0136935 A1 19850410; EP 0136935 B1 19870304; AU 3255184 A 19850307; AU 559309 B2 19870305; CA 1220416 A 19870414; DE 3462534 D1 19870409; EG 16681 A 19890630; ES 535548 A0 19850516; ES 8505018 A1 19850516; FR 2551491 A1 19850308; FR 2551491 B1 19860228; JP S6073995 A 19850426; NO 162527 B 19891002; NO 162527 C 19900110; NO 843445 L 19850301; OA 07805 A 19861120; US 4573541 A 19860304
DOCDB simple family (application)
EP 84401719 A 19840827; AU 3255184 A 19840830; CA 461199 A 19840816; DE 3462534 T 19840827; EG 55284 A 19840829; ES 535548 A 19840830; FR 8313981 A 19830831; JP 18088384 A 19840831; NO 843445 A 19840830; OA 58380 A 19840831; US 63899284 A 19840809