EP 0463939 B1 19960911 - Method and apparatus for conducting logging or work-over operations in a borehole
Title (en)
Method and apparatus for conducting logging or work-over operations in a borehole
Title (de)
Verfahren und Vorrichtung zum Messen oder Ausführen von Arbeiten in einem Bohrloch
Title (fr)
Méthode et dispositif permettant de conduire des opérations de mesure ou des interventions dans un puits
Publication
Application
Priority
FR 9007956 A 19900625
Abstract (en)
[origin: US5180011A] Measuring operations can for example be carried out in wells (1) where the progress of an intervention tool (3) is difficult (deflected wells for example) by means of a tubing (2), a support frame (5) linked with the tool and which can be anchored in the lower end part of the tubing, an electric-carrying cable (12) unwound from a surface installation and fitted with a connector (9, 11) that can plug into the support frame in a wet medium after the tool has been taken down into the well, in order to tightly link the tool to the cable. The base of the tubing is fitted with a piping end (18) allowing the support frame to come out of it. With this device, the tool can be driven to the intervention zone by exerting a thrust on the tubing and, once the connector is in place, the tubing can be totally taken away from this zone and continuous measurings can be carried out by traction on the cable.
IPC 1-7
IPC 8 full level
E21B 23/14 (2006.01)
CPC (source: EP US)
E21B 23/14 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE GB IT NL
DOCDB simple family (publication)
EP 0463939 A1 19920102; EP 0463939 B1 19960911; CA 2045434 A1 19911226; CA 2045434 C 20020730; DE 69121985 D1 19961017; DE 69121985 T2 19970123; FR 2663676 A1 19911227; FR 2663676 B1 19950901; NO 303405 B1 19980706; NO 912443 D0 19910621; NO 912443 L 19911227; US 5180011 A 19930119
DOCDB simple family (application)
EP 91401659 A 19910619; CA 2045434 A 19910625; DE 69121985 T 19910619; FR 9007956 A 19900625; NO 912443 A 19910621; US 72036791 A 19910625