EP 0188343 A2 19860723 - Stabilising tool.
Title (en)
Stabilising tool.
Title (de)
Stabilisator.
Title (fr)
Stabilisateur.
Publication
Application
Priority
GB 8501256 A 19850118
Abstract (en)
A stabiliser tool for connection in a drill string having a fluted stabilising portion comprising a body part (16) integral with the shank (10) of the tool and a leading end sleeve part or cap (18) removably secured to the shank. The cap (18) can readily by replaced when worn. The tool may be suppled as a set including different interchangeable caps having for example, spiral flutes (22) for normal stabilising operation, or straight flutes to enable the tool to be used as a reamer when drilling rough and abrasive rock formations.
IPC 1-7
IPC 8 full level
E21B 10/26 (2006.01); E21B 10/62 (2006.01); E21B 17/10 (2006.01); E21B 17/22 (2006.01); E21B 47/022 (2012.01)
CPC (source: EP US)
E21B 10/26 (2013.01 - EP US); E21B 10/62 (2013.01 - EP); E21B 17/1078 (2013.01 - EP); E21B 17/22 (2013.01 - EP); E21B 47/022 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0188343 A2 19860723; EP 0188343 A3 19870805; DK 22186 A 19860719; DK 22186 D0 19860117; ES 296679 U 19871216; ES 296679 Y 19880516; FI 860237 A0 19860117; FI 860237 A 19860719; GB 8501256 D0 19850220; NO 860143 L 19860721
DOCDB simple family (application)
EP 86300163 A 19860113; DK 22186 A 19860117; ES 296679 U 19860117; FI 860237 A 19860117; GB 8501256 A 19850118; NO 860143 A 19860116