| THRUBIT B.V. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110315445 | Methods for Installling Sensors in a Borehole - A method of installing a sensor in a borehole drilled through underground formations, wherein the borehole is drilled with a hollow drill string formed from a series of pipe sections connected end-to-end, a drill bit being positioned at one end of the drill string and having an closure that is operable to provide an opening between the borehole and the inside of the drill string, the method comprising:
| 12-29-2011 |
| 20110120774 | Drill Bit and Method for Inserting, Expanding, Collapsing, and Retrieving Drill Bit - A drill bit comprising a bit body connectable to a drill string at an first end, which bit body is provided with a longitudinal passageway extending from an opening at the first end to a port at a second end a closure element for closing the passageway, when the closure element is in a closing position, which closure element is removable, and wherein the closure element comprises a first and a second member which are movable relative to each other between an expanded configuration and a collapsed configuration, in which collapsed configuration, the closure element is retractable through the passageway to the first end. | 05-26-2011 |
| 20110011579 | Apparatus and System to Allow Tool Passage Ahead of a Bit - Drill bits enable the use of tools in a wellbore when it is undesirable or impossible to remove the drill bit. Drill bits include a drill bit insert, a latch assembly, a housing, a running tool, and a shaft trigger to operate the latch assembly. | 01-20-2011 |
