Global Patent Index - EP 3980622 A4

EP 3980622 A4 20230816 - DRILLING ARRANGEMENTS

Title (en)

DRILLING ARRANGEMENTS

Title (de)

BOHRANORDNUNGEN

Title (fr)

AGENCEMENTS DE FORAGE

Publication

EP 3980622 A4 20230816 (EN)

Application

EP 20818312 A 20200604

Priority

  • AU 2019901913 A 20190604
  • AU 2020000046 W 20200604

Abstract (en)

[origin: WO2020243767A1] There is disclosed a device for boring holes in a ground surface comprising: a core barrel having a barrel top and an open barrel bottom, the barrel top having a shaft mounted thereto for engaging with a rotary power source for rotating the core barrel; at least one cutting member mounted to the core barrel at the open barrel bottom; and a pressurised fluid source in fluid communication with the shaft for delivering a supply of pressurised fluid to the shaft; wherein the at least one cutting member is configured such that when it is mounted to the core barrel at the open barrel bottom, the pressurised fluid causes the at least one cutting member to perform a cutting motion to remove the ground surface.

IPC 8 full level

E21B 4/14 (2006.01); E21B 10/44 (2006.01); E21B 25/04 (2006.01); E21B 25/10 (2006.01)

CPC (source: AU EP US)

E21B 4/14 (2013.01 - AU EP); E21B 10/02 (2013.01 - AU US); E21B 10/44 (2013.01 - EP US); E21B 25/04 (2013.01 - AU EP); E21B 25/10 (2013.01 - EP); E21B 27/04 (2013.01 - AU); E21B 4/14 (2013.01 - US); E21B 25/04 (2013.01 - US); E21B 25/10 (2013.01 - US); E21B 49/02 (2013.01 - AU US)

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

DOCDB simple family (publication)

WO 2020243767 A1 20201210; AU 2020287069 A1 20220106; CA 3140181 A1 20200604; EP 3980622 A1 20220413; EP 3980622 A4 20230816; US 2022243536 A1 20220804

DOCDB simple family (application)

AU 2020000046 W 20200604; AU 2020287069 A 20200604; CA 3140181 A 20200604; EP 20818312 A 20200604; US 202017616500 A 20200604