|
2016
|
Invention
|
Cartridge assembly and downhole tool comprising said cartridge assembly. A cartridge assembly inc... |
|
|
Invention
|
Downhole tool having an actuation system. A downhole tool 100 includes a housing 101 having a bor... |
|
|
Invention
|
Downhole tool and bottom hole assembly for running a string in a wellbore. The invention relates ... |
|
|
Invention
|
Downhole assembly, tool and method. A reaming tool includes a body having a longitudinal axis and... |
|
|
Invention
|
Connecting assembly and receptacle adapted to receive said connecting assembly for connecting two... |
|
2015
|
Invention
|
Downhole swivel sub and method of running a string in a wellbore. The present invention relates t... |
|
|
Invention
|
A downhole tool assembly and a method for assembling and disassembling it. The present invention ... |
|
|
Invention
|
Downhole tool provided with inserts and method for removing the inserts of a downhole tool. This ... |
|
|
Invention
|
Downhole swivel sub and method for releasing a stuck object in a wellbore. In certain embodiments... |
|
|
Invention
|
Downhole swivel sub and method for releasing a stuck object in a wellbore. The invention relates ... |
|
|
Invention
|
Reaming tool and methods of using the reaming tool in a wellbore. A reaming tool includes a tool ... |
|
|
Invention
|
Bit for drilling wells and associated drilling method.
A bit for drilling wells has a front face... |
|
|
Invention
|
Drill bit for drilling a borehole. This invention relates to a drill bit (1) for drilling a boreh... |
|
|
Invention
|
Downhole swivel sub. The invention relates to a swivel sub for a string to be lowered into a well... |
|
|
Invention
|
Downhole assembly and method for reducing drag and friction on a tubular run in a wellbore. An as... |
|
2014
|
Invention
|
Seal assembly and a roller cone drill bit comprising such a seal assembly.
The invention concern... |
|
|
Invention
|
Seal assembly and a roller cone drill bit comprising such a seal assembly. The invention concerns... |
|
|
Invention
|
Downhole tool engaging a tubing string between a drill bit and tubular for reaming a wellbore. A ... |
|
|
Invention
|
Downhole tool and method for operating such a downhole tool. This invention relates to a downhole... |
|
|
Invention
|
Downhole device. The invention relates to as downhole device (100), comprising a housing configur... |
|
2013
|
Invention
|
Downhole dual cutting reamer. A downhole dual cutting reamer for bidirectional reaming of a wellb... |
|
|
Invention
|
A downhole downhole assembly, tool and method. The present invention is related a reaming insert ... |
|
|
Invention
|
A downhole assembly and reaming tool having reaming inserts. A reaming tool includes a body... |
|
|
G/S
|
Machines and machine tools; machine coupling and transmission components (except for land vehicle... |
|
|
G/S
|
Machine and machine tools; machine coupling and transmission components (except for land vehicles... |
|
|
Invention
|
Tool for selectively connecting or disconnecting components of a downhole workstring. The present... |
|
|
Invention
|
Downhole directional drilling assembly.
The assembly comprise a bent sub (1411), and optionally ... |
|
|
Invention
|
Downhole directional drilling assembly. The assembly comprise a bent sub (1411), and optionally a... |
|
2012
|
Invention
|
An improved directional drilling tool. A directional drilling tool is provided, which comprises a... |
|
|
Invention
|
Uncoupling device for connecting a drilling tool to the end of a drilling column and a drilling s... |
|
|
Invention
|
Two-centre rotary boring bit and method for deepening an existing well.
Two-centre rotary boring... |
|
|
Invention
|
Downhole swivel sub. The present invention provides a swivel sub for connection in a work string ... |
|
2011
|
Invention
|
Drill pipe tubing and casing protector. An assembly and method for protecting a pipe string movab... |
|
|
Invention
|
Ultra-hard matrix reamers and methods. Reamer elements for use with roller reamers and other type... |
|
|
Invention
|
Down hole apparatus for generating a pusling action. A down hole apparatus for generating a pulsi... |
|
2010
|
Invention
|
Rotary drill and method for the production thereof. Rotary rock bit comprising a tool body having... |
|
|
Invention
|
Device including an apparatus for measuring drilling or coring operation parameters, and equipmen... |
|
2009
|
Invention
|
Mold used in manufacture of drill bits and method of forming same.
A mold usable to form a drill... |
|
|
Invention
|
Ultra-hard drill collar. A drill collar formed substantially entirely from a metal matrix materia... |
|
2008
|
Invention
|
Ultra-hard drilling stabilizer. A drilling stabilizer having a body and a plurality of blades int... |
|
|
Invention
|
Shoe for wellbore lining tubing. Provided is a shoe for wellbore lining tubing and to a method of... |
