|
DE3567054D1
(en)
*
|
1985-02-19 |
1989-02-02 |
Strata Bit Corp |
Rotary drill bit
|
|
US4606418A
(en)
*
|
1985-07-26 |
1986-08-19 |
Reed Tool Company |
Cutting means for drag drill bits
|
|
US4703814A
(en)
*
|
1986-01-16 |
1987-11-03 |
Hughes Tool Company - Usa |
Earth boring bit having a replaceable, threaded nozzle with wrench socket
|
|
US4719979A
(en)
*
|
1986-03-24 |
1988-01-19 |
Smith International, Inc. |
Expendable diamond drag bit
|
|
US4813500A
(en)
*
|
1987-10-19 |
1989-03-21 |
Smith International, Inc. |
Expendable diamond drag bit
|
|
US4981184A
(en)
*
|
1988-11-21 |
1991-01-01 |
Smith International, Inc. |
Diamond drag bit for soft formations
|
|
US5103922A
(en)
*
|
1990-10-30 |
1992-04-14 |
Smith International, Inc. |
Fishtail expendable diamond drag bit
|
|
US5785258A
(en)
*
|
1993-10-08 |
1998-07-28 |
Vortexx Group Incorporated |
Method and apparatus for conditioning fluid flow
|
|
US5494124A
(en)
*
|
1993-10-08 |
1996-02-27 |
Vortexx Group, Inc. |
Negative pressure vortex nozzle
|
|
US5924501A
(en)
*
|
1996-02-15 |
1999-07-20 |
Baker Hughes Incorporated |
Predominantly diamond cutting structures for earth boring
|
|
US5706906A
(en)
*
|
1996-02-15 |
1998-01-13 |
Baker Hughes Incorporated |
Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
|
|
US5775443A
(en)
*
|
1996-10-15 |
1998-07-07 |
Nozzle Technology, Inc. |
Jet pump drilling apparatus and method
|
|
US5879057A
(en)
|
1996-11-12 |
1999-03-09 |
Amvest Corporation |
Horizontal remote mining system, and method
|
|
US6364418B1
(en)
|
1996-11-12 |
2002-04-02 |
Amvest Systems, Inc. |
Cutting heads for horizontal remote mining system
|
|
US5881830A
(en)
*
|
1997-02-14 |
1999-03-16 |
Baker Hughes Incorporated |
Superabrasive drill bit cutting element with buttress-supported planar chamfer
|
|
US6142248A
(en)
*
|
1998-04-02 |
2000-11-07 |
Diamond Products International, Inc. |
Reduced erosion nozzle system and method for the use of drill bits to reduce erosion
|
|
CA2429862C
(en)
*
|
2000-11-27 |
2009-10-13 |
Shell Canada Limited |
Drill bit
|
|
DE20020783U1
(de)
*
|
2000-12-06 |
2002-05-02 |
Boart Longyear GmbH & Co. KG Hartmetallwerkzeugfabrik, 36151 Burghaun |
Injektionsdüse für Hochdruckinjektionsbohrsysteme sowie Hochdruckinjektionsbohrwerkzeug
|
|
US20060266557A1
(en)
*
|
2005-05-31 |
2006-11-30 |
Roy Estes |
Directable nozzle for rock drilling bits
|
|
US20070261886A1
(en)
*
|
2006-05-15 |
2007-11-15 |
Baker Hughes Incorporated |
Core drill assembly with adjustable total flow area and restricted flow between outer and inner barrel assemblies
|
|
US9279292B2
(en)
|
2013-11-20 |
2016-03-08 |
Longyear Tm, Inc. |
Drill bits having flushing and systems for using same
|
|
US8459381B2
(en)
|
2006-12-14 |
2013-06-11 |
Longyear Tm, Inc. |
Drill bits with axially-tapered waterways
|
|
US9506298B2
(en)
|
2013-11-20 |
2016-11-29 |
Longyear Tm, Inc. |
Drill bits having blind-hole flushing and systems for using same
|
|
US7681668B2
(en)
*
|
2007-03-30 |
2010-03-23 |
Baker Hughes Incorporated |
Shrink-fit sleeve assembly for a drill bit, including nozzle assembly and method therefor
|
|
US9475174B2
(en)
*
|
2008-10-23 |
2016-10-25 |
Thomas Francis Hursen |
Method and apparatus for soil excavation using supersonic pneumatic nozzle with wear tip and supersonic nozzle for use therein
|
|
US20100193253A1
(en)
*
|
2009-01-30 |
2010-08-05 |
Massey Alan J |
Earth-boring tools and bodies of such tools including nozzle recesses, and methods of forming same
|
|
WO2010121344A1
(en)
*
|
2009-04-23 |
2010-10-28 |
Schlumberger Holdings Limited |
A drill bit assembly having aligned features
|
|
US8240402B2
(en)
|
2009-09-30 |
2012-08-14 |
Baker Hughes Incorporated |
Earth-boring tools and components thereof including blockage-resistant internal fluid passageways, and methods of forming such tools and components
|
|
US8517124B2
(en)
*
|
2009-12-01 |
2013-08-27 |
Northbasin Energy Services Inc. |
PDC drill bit with flute design for better bit cleaning
|
|
WO2012149086A2
(en)
|
2011-04-26 |
2012-11-01 |
Smith International, Inc. |
Polycrystalline diamond compact cutters with conic shaped end
|
|
BR112013027545A2
(pt)
|
2011-04-26 |
2017-01-10 |
Smith International |
elemento de corte, e método para formar uma broca de perfuração
|
|
EP3265639B1
(en)
|
2015-03-05 |
2023-11-08 |
Longyear TM, Inc. |
Drill bits having flushing
|
|
RU2615660C1
(ru)
*
|
2016-02-16 |
2017-04-06 |
Товарищество С Ограниченной Ответственностью "Научно-Внедренческий Центр Алмас" |
Буровое долото
|
|
US10323464B1
(en)
|
2018-04-04 |
2019-06-18 |
Saudi Arabian Oil Company |
Wellbore drill bit nozzle
|
|
CN208168805U
(zh)
*
|
2018-05-10 |
2018-11-30 |
西迪技术股份有限公司 |
钻头喷嘴和钻头
|
|
MX2021004113A
(es)
*
|
2018-10-11 |
2021-06-15 |
Koninklijke Philips Nv |
Cabezales de boquilla para un dispositivo de limpieza que usa la acción de limpieza de láminas de líquido.
|
|
US11161184B2
(en)
*
|
2018-12-19 |
2021-11-02 |
Jalor Industry Co., Ltd. |
Quick-changing brazed drill
|
|
CN109973021B
(zh)
*
|
2019-04-24 |
2020-09-01 |
西迪技术股份有限公司 |
一种集成喷嘴结构的钻头
|
|
CN111894471A
(zh)
*
|
2019-05-06 |
2020-11-06 |
西迪技术股份有限公司 |
具有贯穿延伸的沟道的钻头及其制造方法
|
|
US11421512B1
(en)
|
2021-04-20 |
2022-08-23 |
Saudi Arabian Oil Company |
Removing obstructions in a drill bit
|
|
US12060771B2
(en)
|
2022-08-08 |
2024-08-13 |
Saudi Arabian Oil Company |
Downhole clean out tool
|
|
US12188323B2
(en)
|
2022-12-05 |
2025-01-07 |
Saudi Arabian Oil Company |
Controlling a subsea blowout preventer stack
|