|
US4069878A
(en)
*
|
1976-03-08 |
1978-01-24 |
Reed Tool Company |
Raise drilling bit with detachable stem
|
|
US4275935A
(en)
*
|
1979-07-17 |
1981-06-30 |
American Coldset Corp. |
Drilling stabilizer
|
|
US4277869A
(en)
*
|
1979-07-30 |
1981-07-14 |
Hartwell Charles A |
Stabilizer
|
|
US4685895A
(en)
*
|
1981-02-06 |
1987-08-11 |
Texas Eastern Drilling Systems, Inc. |
Stabilizer mechanism for use in drilling deviated well bores
|
|
US4467879A
(en)
*
|
1982-03-29 |
1984-08-28 |
Richard D. Hawn, Jr. |
Well bore tools
|
|
DE3403239C1
(de)
*
|
1984-01-31 |
1985-06-27 |
Christensen, Inc., Salt Lake City, Utah |
Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen
|
|
EP0163946B1
(en)
*
|
1984-05-12 |
1989-04-05 |
Eastman Christensen Company |
Apparatus for optional straight or directional drilling underground formations
|
|
US4766663A
(en)
*
|
1985-08-16 |
1988-08-30 |
Milam Jack J |
Method of attaching member to a tubular string
|
|
US4664206A
(en)
*
|
1985-09-23 |
1987-05-12 |
Gulf Canada Corporation |
Stabilizer for drillstems
|
|
SE458944B
(sv)
*
|
1985-10-08 |
1989-05-22 |
Skf Steel Ab |
Saett att genom sammankoppling av pumpstaangselement, sucker rods, aastadkomma en pumpstaang foer oljeuppfordring samt foer saettets genomfoerande anvaenda sucker rods, kopplingselement och monteringsverktyg
|
|
USRE33751E
(en)
*
|
1985-10-11 |
1991-11-26 |
Smith International, Inc. |
System and method for controlled directional drilling
|
|
GB8530078D0
(en)
*
|
1985-12-06 |
1986-01-15 |
Drilex Ltd |
Drill string stabiliser
|
|
US4871020A
(en)
*
|
1987-09-21 |
1989-10-03 |
Intevep, S.A. |
Sucker rod centralizer
|
|
US4793412A
(en)
*
|
1987-09-21 |
1988-12-27 |
Intevep, S.A. |
Centralizer for a polished bar and/or a substance pump piston stem
|
|
US4913230A
(en)
*
|
1987-09-21 |
1990-04-03 |
Intevep, S.A. |
Sucker rod centralizer
|
|
US5181576A
(en)
*
|
1991-02-01 |
1993-01-26 |
Anadrill, Inc. |
Downhole adjustable stabilizer
|
|
US5139094A
(en)
*
|
1991-02-01 |
1992-08-18 |
Anadrill, Inc. |
Directional drilling methods and apparatus
|
|
CA2038378C
(en)
*
|
1991-03-25 |
1998-08-18 |
Irvin Joseph Laporte (Bud) |
Stabilized drill tube
|
|
US5363931A
(en)
*
|
1993-07-07 |
1994-11-15 |
Schlumberger Technology Corporation |
Drilling stabilizer
|
|
US6202752B1
(en)
*
|
1993-09-10 |
2001-03-20 |
Weatherford/Lamb, Inc. |
Wellbore milling methods
|
|
US5631563A
(en)
*
|
1994-12-20 |
1997-05-20 |
Schlumbreger Technology Corporation |
Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool
|
|
GB2299598B
(en)
*
|
1995-04-07 |
1999-03-17 |
Weatherford Lamb |
Apparatus for use in a wellbore
|
|
US6547006B1
(en)
|
1996-05-02 |
2003-04-15 |
Weatherford/Lamb, Inc. |
Wellbore liner system
|
|
GB2316422A
(en)
*
|
1996-08-24 |
1998-02-25 |
Weatherford Lamb |
Centralizer
|
|
US6173797B1
(en)
*
|
1997-09-08 |
2001-01-16 |
Baker Hughes Incorporated |
Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability
|
|
US6321862B1
(en)
|
1997-09-08 |
2001-11-27 |
Baker Hughes Incorporated |
Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability
|
|
US6227297B1
(en)
|
1998-09-11 |
2001-05-08 |
Jack J. Milam |
Tube cleaning article and apparatus and method for use with a tube in a well
|
|
JP4029579B2
(ja)
*
|
2001-03-28 |
2008-01-09 |
日立工機株式会社 |
セーバソー
|
|
GB2409482B
(en)
*
|
2003-04-04 |
2005-11-30 |
Western Well Tool Inc |
Drill pipe protector
|
|
US7845434B2
(en)
*
|
2005-03-16 |
2010-12-07 |
Troy Lee Clayton |
Technique for drilling straight bore holes in the earth
|
|
CA2550801C
(en)
*
|
2006-06-22 |
2010-07-20 |
Boart Longyear Inc. |
Drilling equipment
|
|
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
|
|
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
|
|
CA2682630A1
(en)
*
|
2009-10-14 |
2011-04-14 |
Norman Prokopchuk |
Drill pipe with threaded extensions
|
|
RU2452815C2
(ru)
*
|
2010-08-30 |
2012-06-10 |
Федеральное государственное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" |
Мультикорневой грунтовый анкер
|
|
USD849800S1
(en)
|
2012-04-04 |
2019-05-28 |
Summit Energy Services, Inc. |
Casing centralizer having spiral blades
|
|
GB201208286D0
(en)
*
|
2012-05-11 |
2012-06-20 |
Tercel Ip Ltd |
A downhole reaming assembly, tool and method
|
|
NO337229B1
(no)
|
2012-07-12 |
2016-02-15 |
Ace Oil Tools As |
Festeanordning for ei rørstamme forsynt med ett eller flere aksielt utragende funksjonselement innrettet til anvendelse på et nedihulls rørlegeme, samt rørstreng omfattende flere rørlegemer
|
|
US8607900B1
(en)
*
|
2012-08-27 |
2013-12-17 |
LB Enterprises, LLC |
Downhole tool engaging a tubing string between a drill bit and tubular for reaming a wellbore
|
|
US9057229B2
(en)
|
2013-03-14 |
2015-06-16 |
Summit Energy Services, Inc. |
Casing centralizer
|
|
US9316056B1
(en)
|
2014-05-23 |
2016-04-19 |
Alaskan Energy Resources, Inc. |
Drilling rig with bidirectional dual eccentric reamer
|
|
US9151119B1
(en)
*
|
2014-05-23 |
2015-10-06 |
Alaskan Energy Resources, Inc. |
Bidirectional dual eccentric reamer
|
|
CN105840118A
(zh)
*
|
2016-05-17 |
2016-08-10 |
宁夏天地奔牛实业集团有限公司 |
上向式反井钻机扩孔稳定装置及上向式反井钻机
|
|
US10704331B2
(en)
*
|
2017-03-10 |
2020-07-07 |
Patrick Patrick Reilly |
Reamer for use in drilling operations
|
|
US10837237B2
(en)
|
2017-11-30 |
2020-11-17 |
Duane Shotwell |
Roller reamer with labyrinth seal assembly
|
|
DE102021002424A1
(de)
|
2021-05-07 |
2022-11-10 |
H & E Bohrtechnik Gmbh |
Regenerationsbohrgestänge und Verfahren zu dessen Herstellung
|
|
US11697972B2
(en)
*
|
2021-10-25 |
2023-07-11 |
360 Research Labs, LLC |
Centralizers for production tubing
|
|
CN119933520B
(zh)
*
|
2025-04-07 |
2025-06-13 |
湖南科技大学三亚研究院 |
一种钻孔垂直度调控机构、钻机及钻孔方法
|