Customized drilling tools
First Claim
Patent Images
1. A bit for removing material from a formation, the bit comprising:
- a bit body;
a blade coupled to the bit body, the blade defining a nose region and a shoulder region;
a plurality of cutting elements coupled to the blade in the nose region and the shoulder region, at least one cutting element of the plurality of the cutting elements having a cutting face having a diameter; and
a plurality of fluid outlets, the plurality of fluid outlets positioned such that at least 70% of a totality of the cutting elements have at least one fluid outlet positioned an outlet distance equal to or less than three times the diameter of the cutting element away from the cutting face of the at least one cutting element.
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Abstract
A bit includes a bit body having at least one blade coupled to the bit body. The blade has a plurality of cutting elements at a nose region and a shoulder region of the blade. A plurality of fluid outlets are positioned on the blade such that at least 30% of the cutting elements have a fluid outlet within a distance that is two or three times a cutting element diameter away from a cutting face of the cutting element.
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Citations
20 Claims
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1. A bit for removing material from a formation, the bit comprising:
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a bit body; a blade coupled to the bit body, the blade defining a nose region and a shoulder region; a plurality of cutting elements coupled to the blade in the nose region and the shoulder region, at least one cutting element of the plurality of the cutting elements having a cutting face having a diameter; and a plurality of fluid outlets, the plurality of fluid outlets positioned such that at least 70% of a totality of the cutting elements have at least one fluid outlet positioned an outlet distance equal to or less than three times the diameter of the cutting element away from the cutting face of the at least one cutting element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A drill bit, comprising:
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a bit body, the bit body having a central conduit and a chamber at the end of the central conduit configured to convey drilling fluid through the bit body; a blade coupled to the bit body; a plurality of cutting elements coupled to the blade, at least one cutting element of the plurality of the cutting elements having a cutting face having a diameter; a plurality of fluid outlets, the plurality of fluid outlets positioned such that at least 10% of a totality of the cutting elements have a fluid outlet positioned a distance equal to or less than 100% the diameter of the cutting face away from the cutting face of the cutting element; and a primary conduit branching from the chamber and a first fluid conduit branching from the primary conduit to direct the drilling fluid to at least one fluid outlet of the plurality of fluid outlets. - View Dependent Claims (14, 15, 16, 17)
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18. A bit for removing material from a formation, the bit comprising:
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a bit body; a blade coupled to the bit body, the blade defining a nose region and a shoulder region; a plurality of cutting elements coupled to the blade in the nose region and the shoulder region, at least one cutting element of the plurality of the cutting elements having a cutting face having a diameter; a nozzle having a nozzle diameter; and a plurality of fluid outlets having a fluid outlet diameter, the fluid outlet diameter being less than the nozzle diameter, the plurality of fluid outlets positioned such that at least 60% of the totality of cutting elements have at least one fluid outlet positioned an outlet distance equal to or less than three times the diameter of the cutting element away from the cutting face of the at least one cutting element. - View Dependent Claims (19, 20)
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Specification