Global Patent Index - EP 2325436 A3

EP 2325436 A3 20150610 - Tubing segment next to a transverse gallery designed for non-directional drilling of drilling rods

Title (en)

Tubing segment next to a transverse gallery designed for non-directional drilling of drilling rods

Title (de)

Tübbing neben einem Querschlag mit Ausgestaltung für eine richtungsfreie Durchbohrung von Bohrgestängen

Title (fr)

Cuvelage à côté d'une galerie à travers-bancs doté d'une forme destinée à un forage non directionnel de tiges de sondage

Publication

EP 2325436 A3 20150610 (DE)

Application

EP 10191366 A 20101116

Priority

DE 102009047048 A 20091124

Abstract (en)

[origin: EP2325436A2] The tubing segment is designed adjacent to a transverse gallery for on-directional drilling of drilling rods, and has an inverse cassette in which an inner panel (2) is arranged. The inner panel is arranged at stiffening sheets (3) inside a tunnel. An outer panel is provided for replacement of a tubing element. The inverse cassette is designed to be larger than the adjacent normal cassettes. The tubing segment is made of steel.

IPC 8 full level

E21D 11/08 (2006.01); E21D 11/36 (2006.01)

CPC (source: EP)

E21D 11/08 (2013.01); E21D 11/365 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2325436 A2 20110525; EP 2325436 A3 20150610; DE 102009047048 B3 20110526

DOCDB simple family (application)

EP 10191366 A 20101116; DE 102009047048 A 20091124