| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Interchangeable blade for drill bits | US37610329 | 1929-07-05 | US1843136A | 1932-02-02 | LE BUS JOHN E |
| 122 | Rotary drill | US30224728 | 1928-08-27 | US1761216A | 1930-06-03 | LE BUS JOHN E |
| 123 | Combination drill-bit and drill-shank. | US22331818 | 1918-03-19 | US1326507A | 1919-12-30 | HUMASON GRANVILLE A |
| 124 | Miner's drill. | US5024115 | 1915-09-11 | US1178402A | 1916-04-04 | LINDENMUTH CHARLES F; HANLEY RAYMOND A |
| 125 | Rotary drill-bit. | US1913760317 | 1913-04-10 | US1063450A | 1913-06-03 | KAMMERER WILLIAM |
| 126 | Drill. | US1912698100 | 1912-05-18 | US1062342A | 1913-05-20 | MACCONNELL JOHN |
| 127 | Drilling-tool. | US1905285616 | 1905-11-02 | US836845A | 1906-11-27 | WHITCOMB WILLIAM C |
| 128 | Drill. | US1905286918 | 1905-11-11 | US829633A | 1906-08-28 | DECKER HARRY R |
| 129 | Earth-auger | US470725D | US470725A | 1892-03-15 | ||
| 130 | Adam g- | US51925D | US51925A | 1866-01-09 | ||
| 131 | CUTTING ELEMENT ASSEMBLIES COMPRISING ROTATABLE CUTTING ELEMENTS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENT ASSEMBLIES, AND RELATED METHODS | US15795009 | 2017-10-26 | US20190128073A1 | 2019-05-02 | John Abhishek Raj Bomidi; Jon David Schroder; Kegan L. Lovelace; William A. Moss, JR.; Alexander Rodney Boehm |
| A cutting element assembly may include a support structure and a pin having a cylindrical exterior bearing surface. Retention elements may couple opposing ends of the pin to the support structure. The cutting element assembly also includes a rotatable cutting element including a table of polycrystalline hard material having an end cutting surface and a supporting substrate. The rotatable cutting element may have an interior sidewall defining a longitudinally extending through hole. The pin may be positioned within the through hole of the rotatable cutting element and may be supported on the opposing ends thereof by the support structure. Methods include drilling a subterranean formation including engaging a formation with one or more of the rotatable cutting elements. | ||||||
| 132 | Methods of forming and repairing earth-boring tools including replaceable cutting structures | US14824448 | 2015-08-12 | US10107044B2 | 2018-10-23 | Chaitanya K. Vempati; Timothy K. Marvel; Suresh G. Patel |
| Methods of forming an earth-boring tool may involve attaching one or more cutting elements to a replaceable cutting structure and positioning the replaceable cutting structure proximate a region of a body of an earth-boring tool that is susceptible to at least one of localized wear and localized impact damage. The replaceable cutting structure may be to the body. Methods of repairing an earth-boring tool may involve bringing a replaceable cutting structure proximate at least one portion of a body of an earth-boring tool exhibiting at least one of localized wear and localized impact damage. The replaceable cutting structure may be attached to the earth-boring tool at the at least one portion. | ||||||
| 133 | DRILL BIT ROLLING ELEMENT WITH RETAINING RING | US15981225 | 2018-05-16 | US20180258708A1 | 2018-09-13 | Yuri Y. Burhan; Jibin Shi; Chen Chen; Youhe Zhang |
| A cutting element includes a sleeve, a rotatable cutting element, and at least one retaining ring. The sleeve has a first inner diameter and a second inner diameter, wherein the second inner diameter is larger than the first inner diameter and located at a lower axial position than the first inner diameter. The rotatable cutting element has an axis of rotation extending therethrough, a cutting face, a body extending axially downward from the cutting face, wherein the body has a shaft that is disposed within the sleeve, and a circumferential groove formed around an outer surface of the shaft. The at least one retaining ring is disposed in the circumferential groove and extends at least around the entire circumference of the shaft, wherein the at least one retaining ring protrudes from the circumferential groove, thereby retaining the rotatable cutting element within the sleeve. | ||||||
| 134 | KERFING HYBRID DRILL BIT AND OTHER DOWNHOLE CUTTING TOOLS | US15948808 | 2018-04-09 | US20180230756A1 | 2018-08-16 | Michael George Azar; Balasubramanian Durairajan; Madapusi Keshavan |
| A drill bit for drilling a borehole in earth formations may include a bit body having a bit axis and a bit face; a plurality of blades extending radially along the bit face; and a plurality of cutting elements disposed on the plurality of blades, the plurality of cutting elements comprising: at least one cutter comprising a substrate and a diamond table having a substantially planar cutting face; and at least two non-planar cutting elements comprising a substrate and a diamond layer having a non-planar cutting end, wherein in a rotated view of the plurality of cutting elements into a single plane, the at least one cutter is located a radial position from the bit axis that is intermediate the radial positions of the at least two non-planar cutting elements. | ||||||
| 135 | Formation-engaging assemblies, earth-boring tools including such assemblies, and associated methods | US15293955 | 2016-10-14 | US09879484B2 | 2018-01-30 | Juan Miguel Bilen; Steven Craig Russell |
| A formation-engaging assembly includes a formation-engaging structure holder with a side surface between a proximal end and a distal end, a receptacle in the distal end, and a lateral protrusion extending from a portion of the side surface of the formation-engaging structure holder adjacent the distal end. A formation-engaging structure may include a formation-engaging surface at a distal end, a proximal end and a sidewall therebetween. The proximal end and at least a portion of the sidewall of the formation-engaging structure may be received within the receptacle of the formation-engaging structure holder. Earth-boring tools may include such formation-engaging assemblies. | ||||||
| 136 | Drill bit having rotational cutting elements and method of drilling | US14707997 | 2015-05-08 | US09745801B1 | 2017-08-29 | Craig H. Cooley; Jeffrey B. Lund; Jair J. Gonzalez |
| A rotary drill bit is disclosed. The rotary drill bit may include a bit body, a cutting pocket defined in the bit body, and a cutting element rotatably coupled to the bit body. The cutting element may be positioned at least partially within the cutting pocket. The rotary drill bit may also include a rotation-inducing member adjacent to the cutting element for inducing rotation of the cutting element relative to the cutting pocket. The rotation-inducing member may include a resilient member or a vibrational member. The rotary drill bit may also include protrusions extending from an interior of the cutting pocket adjacent to an outer diameter of the cutting element. A method of drilling a formation is also disclosed. | ||||||
| 137 | FORCE SELF-BALANCED DRILL BIT | US15319172 | 2014-07-31 | US20170130533A1 | 2017-05-11 | Xianwu Ling |
| An Earth drill bit includes a bit body assembly and a plurality of separately movable cutting elements carried by the bit body assembly. The bit body assembly is arranged around a central bit body axis and includes a hydraulic circuit. The plurality of separately movable cutting elements is movable in a direction parallel to the central bit body axis and supported by fluid in the hydraulic circuit. | ||||||
| 138 | Formation-engaging assemblies and earth-boring tools including such assemblies | US14272369 | 2014-05-07 | US09476257B2 | 2016-10-25 | Juan Miguel Bilen; Steven C. Russell |
| A formation-engaging assembly includes a formation-engaging structure holder with a side surface between a proximal end and a distal end, a receptacle in the distal end, and a lateral protrusion extending from a portion of the side surface of the formation-engaging structure holder adjacent the distal end. A formation-engaging structure may include a formation-engaging surface at a distal end, a proximal end and a sidewall therebetween. The proximal end and at least a portion of the sidewall of the formation-engaging structure may be received within the receptacle of the formation-engaging structure holder. Earth-boring tools may include such formation-engaging assemblies. | ||||||
| 139 | Cutting elements retained within sleeves | US13786085 | 2013-03-05 | US09328564B2 | 2016-05-03 | Youhe Zhang; Jibin Shi; Yuri Burhan; Chen Chen |
| A cutter assembly may include a sleeve; and at least one cutting element having a lower spindle portion retained in the sleeve and a portion of the cutting element interfacing an axial bearing surface of the sleeve, wherein an outer diameter D of the cutting element and a radial length T of a substantially planar portion of the axial bearing surface of the sleeve have the following relationship: (1/25)D≦T≦(1/4)D. | ||||||
| 140 | Drill bit having rotational cutting elements and method of drilling | US14612992 | 2015-02-03 | US09279294B1 | 2016-03-08 | Craig H. Cooley; Jeffrey B. Lund; Jair J. Gonzalez |
| A rotary drill bit is disclosed. The rotary drill bit may include a bit body, a cutting pocket defined in the bit body, and a cutting element rotatably coupled to the bit body. The cutting element may be positioned at least partially within the cutting pocket. The rotary drill bit may also include a rotation-inducing member adjacent to the cutting element for inducing rotation of the cutting element relative to the cutting pocket. The rotation-inducing member may include a resilient member or a vibrational member. The rotary drill bit may also include protrusions extending from an interior of the cutting pocket adjacent to an outer diameter of the cutting element. A method of drilling a formation is also disclosed. | ||||||
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