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| Application No. | Application Title | Issue Date |
| 20120024601 | METHODS OF USING A PARTICLE IMPACT DRILLING SYSTEM FOR REMOVING NEAR-BOREHOLE DAMAGE, MILLING OBJECTS IN A WELLBORE, UNDER REAMING, CORING, PERFORATING, ASSISTING ANNULAR FLOW, AND ASSOCIATE METHODS A particle impact drilling system and method are described. In several exemplary embodiments, the system and method may be a part of, and/or used with, an apparatus or system, methods, to excavate a subterranean formation. The system can including, for example, removing... | 02/02/2012 |
| 20100294567 | Impactor Excavation System Having A Drill Bit Discharging In A Cross-Over Pattern A system for use in excavating a wellbore that includes a drill string and attached drill bit that has nozzles that are in fluid communication with the drill string. The system receives pressurized slurry of fluid and impactor particles and directs the slurry at a subte... | 11/25/2010 |
| 20100175924 | APPARATUS AND METHOD FOR IMPROVEMENTS IN WELLBORE DRILLING The invention relates to a tool for use in wellbore drilling, suitable for use with a drill string for drilling a wellbore having an inner wall, the tool comprising means for generating particles of solid material from the formed inner wall of a drilled wellbore, and me... | 07/15/2010 |
| 20100108389 | DISTANCE HOLDER WITH HELICAL SLOT A distance holder for connection to, and rotation with, a drill string in an earth formation drilling device arranged to supply a jet of abrasive fluid for the purpose of providing a borehole by removing earth formation material through abrasion, comprises a housing wit... | 05/06/2010 |
| 20100078217 | METHOD AND ASSEMBLY FOR ABRASIVE JET DRILLING A method for supplying a jet of abrasive fluid for the purpose of providing a borehole by removing earth formation material through abrasion comprises a drill string and a drilling assembly connected to the drill string. The drilling assembly comprises a jetting device ... | 04/01/2010 |
| 20090200080 | Impact excavation system and method with particle separation A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharging from the cavity so that the impactors remove a portion... | 08/13/2009 |
| 20090090557 | Injection System And Method An excavation system for forming a wellbore through a subterranean formation, the system employing pressurized drilling fluid with impactors mixed therein. The pressurized fluid with impactors is directed to a drill string having a drill bit with nozzles on its lower en... | 04/09/2009 |
| 20080210472 | Impact Excavation System And Method With Particle Separation A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharging from the cavity so that the impactors remove a portion... | 09/04/2008 |
| 20070131455 | Nozzle unit and method for excavating a hole in an object A nozzle unit for generating an abrasive jet. The nozzle unit has a first nozzle connected to a pressurized carrier fluid supply; a mixing chamber in which the first nozzle discharges; and a second nozzle connected to the mixing chamber. An abrasive particle inlet disch... | 06/14/2007 |
| 20060266554 | System and method for making a hole in an object A system and method for making a hole in an object, the system having jet means for generating an abrasive jet formed of a mixture of a fluid and abrasive particles, and for blasting the abrasive jet with an erosive power into impingement with the object in an impingeme... | 11/30/2006 |
| 20060191718 | Impact excavation system and method with injection system A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation. ... | 08/31/2006 |
| 20060191717 | Impact excavation system and method with two-stage inductor A system and method for excavating a subterranean formation according to which a fluid is introduced into a vessel to draw a plurality of impactors into the vessel to form a suspension. The suspension is discharged from the vessel and into another vessel, and fluid is i... | 08/31/2006 |
| 20060185907 | Device for transporting particles of a magnetic material and tool comprising such a device A device for transporting particles containing a magnetic material in a selected direction, the device having: a support member having a support surface for supporting the particles, the support surface extending in the selected direction; a magnet arranged to generate ... | 08/24/2006 |
| 20060180350 | Impact excavation system and method with particle trap A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that the impactors remove a portion of t... | 08/17/2006 |
| 20060027398 | Drill bit A drill bit for drilling a well bore using solid material impactors comprising a nozzle and a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The drill bit may also comprise a ju... | 02/09/2006 |
