EP 3601729 A1 20200205 - DOWNHOLE DRILLING SYSTEM
Title (en)
DOWNHOLE DRILLING SYSTEM
Title (de)
BOHRLOCHBOHRSYSTEM
Title (fr)
SYSTÈME DE FORAGE DE FOND DE TROU
Publication
Application
Priority
- EP 17162044 A 20170321
- EP 2018056922 W 20180320
Abstract (en)
[origin: EP3379024A1] The present invention relates to a downhole drilling system (100), comprising: a drill string (1) having a drill head (6) configured to drill a borehole (2) having a borehole wall (3) forming an annulus (4) between the drill string and the borehole, a plurality of sensor units (10) forming a mesh network, wherein each one of said sensor units is distributed in a drilling fluid flowing in the annulus and in the drill string, and at least one of said sensor units is provided with a detector (14) for measuring position data. The present invention also relates to a method for providing a downhole drilling system according to the present invention and to a method for determining drilling direction.
IPC 8 full level
E21B 47/02 (2006.01); E21B 47/09 (2012.01); E21B 47/12 (2012.01)
CPC (source: EP US)
E21B 47/02 (2013.01 - EP US); E21B 47/022 (2013.01 - US); E21B 47/06 (2013.01 - US); E21B 47/07 (2020.05 - US); E21B 47/09 (2013.01 - EP US); E21B 47/12 (2013.01 - EP US); E21B 47/26 (2020.05 - EP US); E21B 7/04 (2013.01 - US); E21B 41/0085 (2013.01 - US); E21B 47/13 (2020.05 - US)
Citation (search report)
See references of WO 2018172300A1
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 3379024 A1 20180926; AU 2018240330 A1 20191031; BR 112019018407 A2 20200407; CA 3055697 A1 20180927; CN 110382820 A 20191025; EP 3601729 A1 20200205; MX 2019010494 A 20191125; RU 2019131555 A 20210421; US 2018274354 A1 20180927; WO 2018172300 A1 20180927
DOCDB simple family (application)
EP 17162044 A 20170321; AU 2018240330 A 20180320; BR 112019018407 A 20180320; CA 3055697 A 20180320; CN 201880015894 A 20180320; EP 18711946 A 20180320; EP 2018056922 W 20180320; MX 2019010494 A 20180320; RU 2019131555 A 20180320; US 201815926030 A 20180320