EP 4301955 A1 20240110 - CARTRIDGE FOR A ROTARY DRILL BIT
Title (en)
CARTRIDGE FOR A ROTARY DRILL BIT
Title (de)
KARTUSCHE FÜR EINEN DREHBOHRMEISSEL
Title (fr)
CARTOUCHE POUR TRÉPAN ROTATIF
Publication
Application
Priority
- GB 202102954 A 20210303
- GB 2022050553 W 20220302
Abstract (en)
[origin: WO2022185056A1] A cartridge (100) for a drill bit of a rotary directional drilling system, the cartridge comprising: a cartridge housing (102a, 102b) having an inlet end (105) for receiving drilling fluid from a drill string and an outlet end (107) at which drilling fluid can exit the cartridge housing; a flow diverter (106) configured to selectively control the flow direction of drilling fluid as the drilling fluid exits the cartridge housing; and a bearing assembly for supporting the flow diverter; wherein the bearing assembly comprises at least one bearing (112) located at the outlet end of the cartridge housing.
IPC 8 full level
E21B 7/06 (2006.01)
CPC (source: EP GB US)
E21B 7/064 (2013.01 - GB US); E21B 7/065 (2013.01 - EP GB); E21B 10/62 (2013.01 - GB); E21B 3/00 (2013.01 - GB)
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022185056 A1 20220909; AU 2022229942 A1 20231005; BR 112023017485 A2 20231107; CA 3208940 A1 20220909; CN 116981827 A 20231031; EP 4301955 A1 20240110; GB 202102954 D0 20210414; GB 2605358 A 20221005; GB 2605358 B 20230816; MX 2023009935 A 20231004; US 2023366271 A1 20231116
DOCDB simple family (application)
GB 2022050553 W 20220302; AU 2022229942 A 20220302; BR 112023017485 A 20220302; CA 3208940 A 20220302; CN 202280018434 A 20220302; EP 22709779 A 20220302; GB 202102954 A 20210303; MX 2023009935 A 20220302; US 202318360479 A 20230727