|
JPS50132270A
(enrdf_load_stackoverflow)
*
|
1974-04-03 |
1975-10-20 |
|
|
|
JPS52105611A
(en)
*
|
1976-03-02 |
1977-09-05 |
Komatsu Mfg Co Ltd |
Drilling apparatus
|
|
FR2369412A1
(fr)
*
|
1976-11-02 |
1978-05-26 |
Alsthom Atlantique |
Procede et dispositif de forage dirige
|
|
US4227404A
(en)
*
|
1978-04-17 |
1980-10-14 |
Century Geophysical Corporation |
Digital mineral logging system
|
|
FR2432079A1
(fr)
*
|
1978-07-24 |
1980-02-22 |
Inst Francais Du Petrole |
Raccord coude a angle variable pour forages diriges
|
|
FR2453269A2
(fr)
*
|
1979-04-06 |
1980-10-31 |
Inst Francais Du Petrole |
Raccord coude a angle variable pour forages diriges
|
|
FR2453268A2
(fr)
*
|
1978-07-24 |
1980-10-31 |
Inst Francais Du Petrole |
Raccord coude a angle variable pour forages diriges
|
|
FR2491989A2
(fr)
*
|
1980-10-13 |
1982-04-16 |
Inst Francais Du Petrole |
Raccord coude a angle variable pour forages diriges
|
|
US4445578A
(en)
*
|
1979-02-28 |
1984-05-01 |
Standard Oil Company (Indiana) |
System for measuring downhole drilling forces
|
|
DE3046122C2
(de)
*
|
1980-12-06 |
1984-05-17 |
Bergwerksverband Gmbh, 4300 Essen |
Einrichtungen zur Herstellung zielgerichteter Bohrungen mit einer Zielbohrstange
|
|
DE3325962A1
(de)
*
|
1983-07-19 |
1985-01-31 |
Bergwerksverband Gmbh, 4300 Essen |
Zielbohrstange fuer drehendes bohrgestaenge mit spuelkanal fuer den untertagebetrieb
|
|
DE3406364C1
(de)
*
|
1983-07-26 |
1984-11-22 |
Christensen, Inc., Salt Lake City, Utah |
Verfahren und Vorrichtung zum Richtungsbohren in unterirdische Gesteinsformationen
|
|
DE3326885C1
(de)
*
|
1983-07-26 |
1984-08-16 |
Christensen, Inc., Salt Lake City, Utah |
Verfahren und Vorrichtung zum Richtungsbohren in unterirdische Gesteinsformationen
|
|
DE3403239C1
(de)
*
|
1984-01-31 |
1985-06-27 |
Christensen, Inc., Salt Lake City, Utah |
Vorrichtungen zum wahlweisen Geradeaus- oder Richtungsbohren in unterirdische Gesteinsformationen
|
|
US4643264A
(en)
*
|
1984-11-06 |
1987-02-17 |
Mobil Oil Corporation |
Method for reducing drilling torque in the drilling of a deviated wellbore
|
|
US4646855A
(en)
*
|
1984-11-06 |
1987-03-03 |
Mobil Oil Corporation |
Method for raising and lowering a drill string in a wellbore during drilling operations
|
|
FR2585760B1
(fr)
*
|
1985-07-30 |
1987-09-25 |
Alsthom |
Dispositif deviateur pour forage, colonne de forage pour forage a deviations et procede de forage de puits avec deviations
|
|
USRE33751E
(en)
*
|
1985-10-11 |
1991-11-26 |
Smith International, Inc. |
System and method for controlled directional drilling
|
|
DE3771124D1
(de)
*
|
1986-05-20 |
1991-08-08 |
Erwin Jenkner |
Plattenaufteil- und -sortieranlage.
|
|
CA2002135C
(en)
*
|
1988-11-03 |
1999-02-02 |
James Bain Noble |
Directional drilling apparatus and method
|
|
CA2024061C
(en)
*
|
1990-08-27 |
2001-10-02 |
Laurier Emile Comeau |
System for drilling deviated boreholes
|
|
US5265682A
(en)
*
|
1991-06-25 |
1993-11-30 |
Camco Drilling Group Limited |
Steerable rotary drilling systems
|
|
US5738178A
(en)
*
|
1995-11-17 |
1998-04-14 |
Baker Hughes Incorporated |
Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation
|
|
EP0811744A1
(de)
*
|
1996-06-07 |
1997-12-10 |
Baker Hughes Incorporated |
Verfahren und Vorrichtung zum Abteufen einer Bohrung in unterirdische Formationen
|
|
DE19702533A1
(de)
*
|
1997-01-24 |
1998-07-30 |
Bauer Spezialtiefbau |
Bohrvorrichtung und Drehmomentstütze für eine Bohrvorrichtung
|
|
GB2435060B
(en)
*
|
2006-02-09 |
2010-09-01 |
Russell Oil Exploration Ltd |
Directional drilling control
|
|
GB0613719D0
(en)
*
|
2006-07-11 |
2006-08-23 |
Russell Oil Exploration Ltd |
Directional drilling control
|
|
US7766098B2
(en)
|
2007-08-31 |
2010-08-03 |
Precision Energy Services, Inc. |
Directional drilling control using modulated bit rotation
|
|
US20100163308A1
(en)
*
|
2008-12-29 |
2010-07-01 |
Precision Energy Services, Inc. |
Directional drilling control using periodic perturbation of the drill bit
|
|
GB2454880B
(en)
*
|
2007-11-21 |
2012-02-15 |
Schlumberger Holdings |
Drilling system
|
|
GB0811016D0
(en)
|
2008-06-17 |
2008-07-23 |
Smart Stabilizer Systems Ltd |
Steering component and steering assembly
|
|
GB0904055D0
(en)
|
2009-03-10 |
2009-04-22 |
Russell Michael K |
Hydraulic torque control system
|
|
US20120039151A1
(en)
|
2010-08-12 |
2012-02-16 |
Precision Energy Services, Inc. |
Mud pulse telemetry synchronous time averaging system
|
|
EP2766568B1
(en)
|
2011-10-14 |
2018-08-29 |
Precision Energy Services, Inc. |
Analysis of drillstring dynamics using a angular rate sensor
|
|
GB201210340D0
(en)
|
2012-06-12 |
2012-07-25 |
Smart Stabilizer Systems Ltd |
Apparatus and method for controlling a part of a downhole assembly
|
|
GB201214784D0
(en)
|
2012-08-20 |
2012-10-03 |
Smart Stabilizer Systems Ltd |
Articulating component of a downhole assembly
|
|
US9567844B2
(en)
|
2013-10-10 |
2017-02-14 |
Weatherford Technology Holdings, Llc |
Analysis of drillstring dynamics using angular and linear motion data from multiple accelerometer pairs
|
|
NO345569B1
(en)
*
|
2015-10-01 |
2021-04-19 |
Qinterra Tech As |
Downhole tool comprising a rotating part with a torque limiting coupling
|
|
US9657561B1
(en)
|
2016-01-06 |
2017-05-23 |
Isodrill, Inc. |
Downhole power conversion and management using a dynamically variable displacement pump
|
|
US9464482B1
(en)
|
2016-01-06 |
2016-10-11 |
Isodrill, Llc |
Rotary steerable drilling tool
|
|
CA3010543A1
(en)
|
2016-01-13 |
2017-07-20 |
Slip Clutch Systems Ltd |
Apparatus for providing directional control of bore drilling equipment
|
|
US11352856B2
(en)
*
|
2017-01-20 |
2022-06-07 |
Halliburton Energy Services, Inc. |
Downhole power generation and directional drilling tool
|
|
CN106939768B
(zh)
*
|
2017-05-17 |
2023-07-25 |
中南大学 |
一种潜孔钻定向调整装置及其定向调整方法
|
|
US11434704B2
(en)
*
|
2020-12-18 |
2022-09-06 |
Baker Hughes Oilfield Operations Llc |
Alternate path for borehole junction
|
|
CN112761527B
(zh)
*
|
2021-03-03 |
2022-12-27 |
辽宁石油化工大学 |
一种自动防斜钻井装置
|
|
CN114320158A
(zh)
*
|
2021-12-17 |
2022-04-12 |
中国矿业大学(北京) |
一种长距离液压分控式蠕动定向钻进系统
|