Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Downhole tools with independently-operated cutters and methods of milling long sections of a casing therewith
In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
Downhole tools with independently-operated cutters and methods of milling long sections of a casing therewith
In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
Downhole tools with independently-operated cutters and methods of milling long sections of a casing therewith
SASCHA SCHWARTZE (Autor:in) / OLE PETTER NIPEN (Autor:in) / CARL C CLEMMENSEN (Autor:in) / CORINNA SCHWARTZE (Autor:in)
03.01.2018
Patent
Elektronische Ressource
Englisch
| Europäisches Patentamt | 2015
| Europäisches Patentamt | 2017
| Europäisches Patentamt | 2018
CASING-COUPLER AND PILE CONSTRUCTION METHOD THEREWITH
| Europäisches Patentamt | 2024
New chromium steels for casting of milling cutters
| Engineering Index Backfile | 1954