[12] Patent
[11] Patent No.:GC0013786  
[45] Date of Publishing the Grant of the Patent: 9/Sep /2025                102/2025  		 Number of the Decision to Grant the Patent:2025/203318
Date of the Decision to Grant the Patent:07/Aug/2025

[21] Application No.:GC 2019-37672

[22] Filing Date:29/5/2019

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
1/6/2018
 15/995,293

[72] Inventor: Abdullah Ali AL-SALAM

[73] Owner: SAUDI ARABIAN OIL COMPANY , 1 EASTERN AVENUE, Dhahran , Saudi Arabia

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

   

[51]IPC:
Int. Cl.: E21B 34/12; F16K 37/00, 3/24 (2006.01)

[56] Cited Documents:

-US 4638833 A (WOLCOTT II HERBERT A [US]) 27 January 1987 -US 4461316 A (COVE HARRY R [CA] ET AL) 24 July 1984 -US 4569370 A (WITT ROBERT L [US]) 11 February 1986 -US 2015027557 A1 (CRAWFORD PAUL A [US]) 29 January 2015
-US 4136709 A (ROGERS PHILIP WET AL) 30 January 1979 -EP 0637713 A1 (HONEYWELL AG [DE]) 08 February 1995  
Examiner: Eng. Fahad M. AlBaker

[54] CHOKE VALVE WITH INTERNAL SLEEVE FOR EROSION PROTECTION
[57] Abstract: An assembly and method for a choke valve body having a choke valve to control flow of fluids. A sleeve positioned in and attached to the choke valve body to flow the fluids through an inner sleeve region internal to the sleeve instead of an outer sleeve region external to the sleeve.
No. of claims: 21     No. of figures: 3


 

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