[12] Patent
[11] Patent No.:GC0010520  
[45] Date of Publishing the Grant of the Patent: 31/May /2019                61/2019  
Number of the Decision to Grant the Patent:2019/151954
Date of the Decision to Grant the Patent:23/May/2019

[21] Application No.:GC 2015-30356

[22] Filing Date:10/11/2015

[30] Priority:

[33] State [32] Priority date [31] Priority No.
PCT
12/12/2014
PCT/US14/69978

[72] Inventors:1- John Keith SAVAGE،2- Steven Graham BELL

[73] Owner: Halliburton Energy Services, Inc., 3000 N. Sam Houston Parkway E., 77032-3219 Texas , Houston, USA

[74] Agent: Saba & Co. T.M.P

  

 

  

[51]IPC:
Int. Cl.: E21B 4/02, 4/10, 7/00 (2006.01)

[56] Cited Documents:

-WO 2014-098899 A1 (HALLIBURTON ENERGY SERVICES, INC.) 26 June 2014
-US 2014-0332275 A1 (SMITH INTERNATIONAL, INC.) 13 November 2014
-US 2006-0086536 A1 (BOYLE et al.) 27 April 2006
-US 2002-0074167 A1 (PLOP, ANDREI) 20 June 2002
-US 2013-0277116 A1 (KNULL et al.) 24 October 2013
 
Examiner: Eng. Imad A. AlAhaidib

[54] DRILLING TOOL BEARING AND DRIVETRAIN ASSEMBLY
[57] Abstract: A downhole drilling motor, system, and method for using same are disclosed. A downhole drilling motor can include a power section stator having a first end, a second end, an internal cavity passing therethrough. The downhole drilling motor can further include a rotor assembly positioned and fully encased in the internal cavity. The rotor assembly includes a power section rotor, a drivetrain operably coupled to the power section rotor and a bearing set. The power section rotor is positioned at the first end within the internal cavity of the power section stator. The power section rotor, the drivetrain, and the bearing set are fully encased in the internal cavity of the power section stator. Additional apparatuses, systems, and methods are disclosed.
No. of claims: 20     No. of figures: 6


 

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