EP 1881151 B1 20091223 - Drilling unit
Title (en)
Drilling unit
Title (de)
Bohreinheit
Title (fr)
Unité de forage
Publication
Application
Priority
IT TO20060536 A 20060720
Abstract (en)
[origin: EP1881151A1] Drilling unit (1) provided with a top drive (10) which is mobile along a drilling axis (A) in order to move drilling rods, with two telescopic drilling masts (6) which are arranged facing each other, a cable device (30) and a hydraulic device (40) which co-operate with each other to move the top drive (10) along a support guide (5) which is parallel to the axis (A) and is arranged in an intermediate position in relation to the two drilling masts (6) for supporting and sliding the top drive (10) along the axis (A); a hydraulic actuator (41) for each drilling mast (6) being suitable for modifying a longitudinal length of the relative drilling mast (6) itself, and a control station (42) being suitable for controlling the actuation of each hydraulic actuator (41) either in contemporary or independent fashion.
IPC 8 full level
E21B 7/02 (2006.01); E21B 15/00 (2006.01); E21B 19/084 (2006.01)
CPC (source: EP US)
E21B 7/02 (2013.01 - EP US); E21B 15/003 (2013.01 - EP US); E21B 19/084 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1881151 A1 20080123; EP 1881151 B1 20091223; AT E453037 T1 20100115; DE 602007003903 D1 20100204; ES 2338923 T3 20100513; IT TO20060536 A1 20080121; US 2008047755 A1 20080228
DOCDB simple family (application)
EP 07013368 A 20070709; AT 07013368 T 20070709; DE 602007003903 T 20070709; ES 07013368 T 20070709; IT TO20060536 A 20060720; US 82734207 A 20070711