[12] Patent
[11] Patent No.:GC0010780  
[45] Date of Publishing the Grant of the Patent: //                0/  
Number of the Decision to Grant the Patent:2020/162064
Date of the Decision to Grant the Patent:20/Jan/2020

[21] Application No.:GC 2015-29231

[22] Filing Date:15/4/2015

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
17/4/2014
61/980,664

[72] Inventors:1- AL-NAKHLI, Ayman Raja،2- ABASS, Hazim Hussein،3- AL-OTAIBI, Ahmad S.

[73] Owner: SAUDI ARABIAN OIL COMPANY, 1 Eastern Avenue, 31311 , Dhahran , Saudi Arabia

[74] Agent: Suleiman I. Al-Ammar Law Office

  

 

  

[51]IPC:
Int. Cl.: C09K 8/592, 8/66, 8/80; E21B 43/24, 43/26,43/267 (2006.01)

[56] Cited Documents:

-US 4846277 A (KHALIL CARLOS N [BR] ET AL) 11 July 1989
-US 5411093 A (JENNINGS JR ALFRED R [US]) 2 May 1995
-US 4219083 A (BERKSHIRE DAVID c [US] ET AL) 26 August 1980
-US 4832123 A (ABOU-SAYED IBRAHIM s [US] ET AL) 23 May 1989
-US 2013126169 A1 (AL-NAKHLI AYMAN RAJA [SA] ET AL) 23 May 2013
-US 2014090839 A1 (AL-NAKHLI AYMAN RAJA [SA] ET AL) 3 April 2014
-US 2006229212 A1 (WILLBERG DEAN [RU] ET AL) 12 October 2006
-US 2003221831 A1 (REDDY B RAGHAVA [US] ET AL) 4 December 2003
-US 2013180720 A1 (AL-DAHLAN MOHAMMED NASSER [SA] ET AL)
18 July 2013
-US 2013126175 A1 (AL-MULHEM ABDULRAHMAN ABDULAZIZ [SA] ET AL) 23 May 2013
 
Examiner: Eng. Ebrahim AlQurashi

[54] METHOD FOR ENHANCED FRACTURE CLEANUP USING REDOX TREATMENT
[57] Abstract: A method for improved hydrocarbon recovery from a formation due to cleanup of a residual viscous material is provided. The method comprising the steps of fracturing the formation with a fracturing fluid to generate a fracture network, the fracturing fluid comprising a viscous fluid component operable to fracture the formation leaving behind residual viscous material in the fractures, the viscous fluid having a viscosity; a proppant component comprising a proppant, the proppant operable to hold open the fractures, wherein the proppant component is carried to the fractures by the viscous fluid component; and a cleanup fluid, the cleanup fluid comprising: an acid precursor operable to trigger an exothermic reaction component, and the exothermic reaction component operable to generate heat, where the generated heat is operable to reduce a viscosity of the residual viscous material to create a reduced viscosity material operable to flow from the formation.
No. of claims: 12     No. of figures: 4


 

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