Global Patent Index - EP 0935051 A3

EP 0935051 A3 20010516 - Method of forming a wellbore junction

Title (en)

Method of forming a wellbore junction

Title (de)

Verfahren zur Herstellung einer Abzweigung einer Bohrung

Title (fr)

Procédé pour la fabrication d'une jonction dans un puits de forage

Publication

EP 0935051 A3 20010516 (EN)

Application

EP 99300795 A 19990203

Priority

US 1892498 A 19980205

Abstract (en)

[origin: EP0935051A2] A method of forming a wellbore junction, the method comprising the steps of: drilling a first wellbore (12) intersecting a subterranean formation; drilling a second wellbore (18) intersecting the first wellbore (12) and the formation; and forcing a stabilizing material into the formation surrounding the intersection of the first and second wellbores. <IMAGE>

IPC 1-7

E21B 41/00; E21B 33/138; E21B 29/06

IPC 8 full level

E21B 41/00 (2006.01)

CPC (source: EP)

E21B 41/0042 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0935051 A2 19990811; EP 0935051 A3 20010516; AU 1134899 A 19990826; BR 9902419 A 20000418; CA 2260616 A1 19990805; NO 990512 D0 19990204; NO 990512 L 19990806

DOCDB simple family (application)

EP 99300795 A 19990203; AU 1134899 A 19990115; BR 9902419 A 19990201; CA 2260616 A 19990203; NO 990512 A 19990204