|
DE4438934C1
(de)
*
|
1994-10-31 |
1995-11-16 |
Tracto Technik |
Ortungsvorrichtung für Rammbohrgeräte
|
|
US6206108B1
(en)
|
1995-01-12 |
2001-03-27 |
Baker Hughes Incorporated |
Drilling system with integrated bottom hole assembly
|
|
CA2235134C
(en)
|
1995-10-23 |
2007-01-09 |
Baker Hughes Incorporated |
Closed loop drilling system
|
|
GB9521972D0
(en)
*
|
1995-10-26 |
1996-01-03 |
Camco Drilling Group Ltd |
A drilling assembly for drilling holes in subsurface formations
|
|
US5682956A
(en)
|
1996-02-14 |
1997-11-04 |
The Charles Machine Works, Inc. |
Dual member pipe joint for a dual member drill string
|
|
USRE38418E1
(en)
|
1996-02-14 |
2004-02-10 |
The Charles Machine Works, Inc. |
Dual member pipe joint for a dual member drill string
|
|
DE19620401C2
(de)
*
|
1996-05-21 |
1998-06-10 |
Tracto Technik |
Lenkbare Bohrvorrichtung
|
|
GB9612524D0
(en)
*
|
1996-06-14 |
1996-08-14 |
Anderson Charles A |
Drilling apparatus
|
|
DE19650271C2
(de)
*
|
1996-12-04 |
1999-04-15 |
Tracto Technik |
Rammbohrgerät mit mindestens zwei Sensor- oder Senderelementen
|
|
US6050350A
(en)
*
|
1997-05-12 |
2000-04-18 |
Morris; Waldo |
Underground directional drilling steering tool
|
|
US5957222A
(en)
*
|
1997-06-10 |
1999-09-28 |
Charles T. Webb |
Directional drilling system
|
|
NZ508393A
(en)
|
1998-06-08 |
2003-10-31 |
Charles T Webb |
Directional drilling system and apparatus
|
|
EP1165929A1
(de)
|
1999-03-03 |
2002-01-02 |
Earth Tool Company L.L.C. |
Vorrichtung und verfahren zum richtungsbohren
|
|
GB0009008D0
(en)
|
2000-04-13 |
2000-05-31 |
Edscer William G |
Apparatus and method for directional of holes
|
|
US6311790B1
(en)
|
2000-05-23 |
2001-11-06 |
The Charles Machines Works, Inc. |
Removable boring head with tapered shank connector
|
|
AU2001279017A1
(en)
|
2000-07-28 |
2002-02-13 |
Charles T. Webb |
Directional drilling apparatus with shifting cam
|
|
US6702046B2
(en)
|
2000-07-28 |
2004-03-09 |
Charles T. Webb |
Drill device for a drilling apparatus
|
|
DE10116103B4
(de)
*
|
2001-03-30 |
2006-12-28 |
Perforator Gmbh |
Vorrichtung zum Auffahren einer unterirdischen Bohrung
|
|
CN1260458C
(zh)
*
|
2001-04-23 |
2006-06-21 |
国际壳牌研究有限公司 |
短半径分支井眼的钻井方法
|
|
US6808027B2
(en)
|
2001-06-11 |
2004-10-26 |
Rst (Bvi), Inc. |
Wellbore directional steering tool
|
|
US6568488B2
(en)
|
2001-06-13 |
2003-05-27 |
Earth Tool Company, L.L.C. |
Roller pipe burster
|
|
US6739413B2
(en)
*
|
2002-01-15 |
2004-05-25 |
The Charles Machine Works, Inc. |
Using a rotating inner member to drive a tool in a hollow outer member
|
|
US7347283B1
(en)
|
2002-01-15 |
2008-03-25 |
The Charles Machine Works, Inc. |
Using a rotating inner member to drive a tool in a hollow outer member
|
|
US6814168B2
(en)
|
2002-02-08 |
2004-11-09 |
Hard Rock Drilling & Fabrication, L.L.C. |
Steerable horizontal subterranean drill bit having elevated wear protector receptacles
|
|
US6810973B2
(en)
|
2002-02-08 |
2004-11-02 |
Hard Rock Drilling & Fabrication, L.L.C. |
Steerable horizontal subterranean drill bit having offset cutting tooth paths
|
|
US6810971B1
(en)
|
2002-02-08 |
2004-11-02 |
Hard Rock Drilling & Fabrication, L.L.C. |
Steerable horizontal subterranean drill bit
|
|
US6810972B2
(en)
|
2002-02-08 |
2004-11-02 |
Hard Rock Drilling & Fabrication, L.L.C. |
Steerable horizontal subterranean drill bit having a one bolt attachment system
|
|
US6827159B2
(en)
|
2002-02-08 |
2004-12-07 |
Hard Rock Drilling & Fabrication, L.L.C. |
Steerable horizontal subterranean drill bit having an offset drilling fluid seal
|
|
US6698535B1
(en)
|
2002-04-30 |
2004-03-02 |
Waldo Morris |
Floating offset transmitter housing underground directional drilling tool
|
|
US6827158B1
(en)
|
2002-07-31 |
2004-12-07 |
The Charles Machine Works, Inc. |
Two-pipe on-grade directional boring tool and method
|
|
WO2004090276A1
(en)
*
|
2003-03-31 |
2004-10-21 |
The Charles Machine Works, Inc. |
Directional reaming system
|
|
US7216724B2
(en)
*
|
2003-06-27 |
2007-05-15 |
The Charles Machine Works, Inc. |
Coupling for dual member pipe
|
|
EP1559864B1
(de)
*
|
2004-01-27 |
2006-06-21 |
Services Petroliers Schlumberger |
Unterirdisches Bohren einer Lateralbohrung
|
|
US20050279531A1
(en)
*
|
2004-06-21 |
2005-12-22 |
Schelling Anthony H |
Lateral boring system
|
|
US7730967B2
(en)
*
|
2004-06-22 |
2010-06-08 |
Baker Hughes Incorporated |
Drilling wellbores with optimal physical drill string conditions
|
|
US8899352B2
(en)
*
|
2007-08-15 |
2014-12-02 |
Schlumberger Technology Corporation |
System and method for drilling
|
|
US8763726B2
(en)
*
|
2007-08-15 |
2014-07-01 |
Schlumberger Technology Corporation |
Drill bit gauge pad control
|
|
US8534380B2
(en)
*
|
2007-08-15 |
2013-09-17 |
Schlumberger Technology Corporation |
System and method for directional drilling a borehole with a rotary drilling system
|
|
US8720604B2
(en)
*
|
2007-08-15 |
2014-05-13 |
Schlumberger Technology Corporation |
Method and system for steering a directional drilling system
|
|
US8757294B2
(en)
*
|
2007-08-15 |
2014-06-24 |
Schlumberger Technology Corporation |
System and method for controlling a drilling system for drilling a borehole in an earth formation
|
|
US8066085B2
(en)
|
2007-08-15 |
2011-11-29 |
Schlumberger Technology Corporation |
Stochastic bit noise control
|
|
US20100038141A1
(en)
*
|
2007-08-15 |
2010-02-18 |
Schlumberger Technology Corporation |
Compliantly coupled gauge pad system with movable gauge pads
|
|
CN102177307B
(zh)
*
|
2008-09-11 |
2014-03-05 |
维米尔制造公司 |
螺旋钻孔机
|
|
US8196677B2
(en)
|
2009-08-04 |
2012-06-12 |
Pioneer One, Inc. |
Horizontal drilling system
|
|
DE102011109330B4
(de)
|
2011-08-03 |
2021-05-20 |
Tracto-Technik Gmbh & Co. Kg |
Steuerbare Bohrvorrichtung
|
|
US10036240B2
(en)
*
|
2011-08-12 |
2018-07-31 |
Directed Technologies Drilling, Inc. |
Drillhead assembly with chambered sonde housing
|
|
US9765574B2
(en)
|
2012-07-26 |
2017-09-19 |
The Charles Machine Works, Inc. |
Dual-member pipe joint for a dual-member drill string
|
|
US9803433B2
(en)
|
2012-07-26 |
2017-10-31 |
The Charles Machine Works, Inc. |
Dual member pipe joint for a dual member drill string
|
|
US10094172B2
(en)
|
2012-08-23 |
2018-10-09 |
Ramax, Llc |
Drill with remotely controlled operating modes and system and method for providing the same
|
|
US9371693B2
(en)
|
2012-08-23 |
2016-06-21 |
Ramax, Llc |
Drill with remotely controlled operating modes and system and method for providing the same
|
|
US9127510B2
(en)
|
2012-10-12 |
2015-09-08 |
Vermeer Manufacturing Company |
Dual drive directional drilling system
|
|
US9500031B2
(en)
|
2012-11-12 |
2016-11-22 |
Aps Technology, Inc. |
Rotary steerable drilling apparatus
|
|
US9611695B2
(en)
*
|
2013-04-12 |
2017-04-04 |
The Charles Machine Works, Inc. |
Dual pipe drilling head with improved bearing retention structure
|
|
US10260287B2
(en)
|
2015-02-24 |
2019-04-16 |
The Charles Machine Works, Inc. |
Dual-member pipe assembly
|
|
CN106930686A
(zh)
*
|
2015-12-29 |
2017-07-07 |
中石化石油工程技术服务有限公司 |
偏心双阶破岩装置
|
|
US10760354B2
(en)
|
2016-06-30 |
2020-09-01 |
The Charles Machine Works, Inc. |
Collar with stepped retaining ring groove
|
|
US10487595B2
(en)
|
2016-06-30 |
2019-11-26 |
The Charles Machine Works, Inc. |
Collar with stepped retaining ring groove
|
|
IT201600072862A1
(it)
*
|
2016-07-12 |
2018-01-12 |
Nordwind S R L |
Veicolo per infissione di pali
|
|
US10808461B2
(en)
|
2016-11-01 |
2020-10-20 |
The Charles Machine Works, Inc. |
Angular offset drilling tool
|
|
EP3399134B1
(de)
|
2017-05-01 |
2023-11-08 |
Vermeer Manufacturing Company |
Doppelstangenrichtbohrsystem
|
|
US10047562B1
(en)
|
2017-10-10 |
2018-08-14 |
Martin Cherrington |
Horizontal directional drilling tool with return flow and method of using same
|
|
US11085239B2
(en)
|
2018-03-07 |
2021-08-10 |
The Charles Machine Works, Inc. |
Sealing system for downhole tool
|
|
US11180962B2
(en)
|
2018-11-26 |
2021-11-23 |
Vermeer Manufacturing Company |
Dual rod directional drilling system
|
|
US11149501B2
(en)
|
2019-03-14 |
2021-10-19 |
Vermeer Manufacturing Company |
Rod coupler and coupled rod assembly
|
|
CN114370231A
(zh)
*
|
2022-01-07 |
2022-04-19 |
深圳市钻通工程机械股份有限公司 |
一种双轴驱动无线信号可变弯角式导向钻头
|