[12] Patent
[11] Patent No.:GC0009350  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/141403
Date of the Decision to Grant the Patent:11/Dec/2018

[21] Application No.:GC 2014-26927

[22] Filing Date:30/3/2014

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
1/4/2013
13/854,638

[72] Inventors:1- AMANULLAH, Md.،2- AL-ARFAJ, Mohammed،3- AL-ANSARI, Adel

[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.: G01N 33/24 (2006.01)

[56] Cited Documents:

-ANDERSON D B ET AL: Fluid Development For Drilling Sloughing And Heaving Shales, PETROLEUM ENGINEER INT, Vol. 49, No. 10, 01 September 1977, Pages 105-108, XP001273073  
Examiner: Eng. Imad A. AlAhaidib

[54] METHOD FOR PREDICTION OF INHIBITION DURABILITY INDEX OF SHALE INHIBITORS AND INHIBITIVE DRILLING MUD SYSTEMS
[57] Abstract: Embodiments of a method used for determination of inhibition durability index (IDI) of an inhibitive mud system can include multiple stages, with each stage including specific steps. The first stage can include a dispersion test that evaluates the inhibition effects of a stability inhibitor after exposing the test material to the inhibitor. The second stage can include a durability inhibition assessment, which includes assessing the longevity of the effect of the inhibitor. A third stage can be used to graph or otherwise evaluate the results of the second stage or the first and second stages.
No. of claims: 14     No. of figures: 5


 

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