EP 3280864 B1 20190306 - DRILLING METHOD, METHOD FOR PERFORMING A PRESSUREMETER TEST, AND CORRESPONDING ASSEMBLY
Title (en)
DRILLING METHOD, METHOD FOR PERFORMING A PRESSUREMETER TEST, AND CORRESPONDING ASSEMBLY
Title (de)
BOHRVERFAHREN, VERFAHREN ZUR DURCHFÜHRUNG EINER DRUCKMESSGERÄTEPRÜFUNG UND ENTSPRECHENDE ANORDNUNG
Title (fr)
PROCÉDÉ DE FORAGE, PROCÉDÉ DE RÉALISATION D'UN ESSAI PRESSIOMÉTRIQUE, ENSEMBLE CORRESPONDANT
Publication
Application
Priority
- FR 1553142 A 20150410
- EP 2016057814 W 20160408
Abstract (en)
[origin: WO2016162513A1] The invention relates to a method for drilling into the ground, which includes the following step: digging a longitudinal hole (6) in the ground (8), simultaneously lining the hole (6) using a tube (14) extending substantially over an entire longitudinal length of the hole (6). The tube includes an inner tube (16) and an outer tubular sheath (18) inserted between the inner tube (16) and a wall of the hole (6), the method including, after the step of digging the hole (6), a raising step during which the inner tube (16) is removed from the hole (6), the outer sheath (18) remaining in place inside the hole (6).
IPC 8 full level
E21B 7/20 (2006.01)
CPC (source: EP US)
E21B 7/20 (2013.01 - EP US); E21B 43/105 (2013.01 - US); E21B 43/108 (2013.01 - US); E21B 47/06 (2013.01 - US); E21B 49/00 (2013.01 - US)
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
DOCDB simple family (publication)
WO 2016162513 A1 20161013; EP 3280864 A1 20180214; EP 3280864 B1 20190306; FR 3034805 A1 20161014; FR 3034805 B1 20190614; US 10598008 B2 20200324; US 2018080315 A1 20180322
DOCDB simple family (application)
EP 2016057814 W 20160408; EP 16718270 A 20160408; FR 1553142 A 20150410; US 201615565622 A 20160408