US 11,866,644 B1
Fracturing fluid based on oilfield produced fluid
Mustafa Alkhowaildi, Dhahran (SA); Mohamed Ahmed Nasr El Din Mahmoud, Dhahran (SA); Mohammed Abudullah Bataweel, Dhahran (SA); and Rajendra Arunkumar Kalgaonkar, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA); and KING FAHD UNIVERSITY OF PETROLEUM & MINERALS, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA); and KING FAHD UNIVERSITY OF PETROLEUM & MINERALS, Dhahran (SA)
Filed on Aug. 3, 2022, as Appl. No. 17/817,237.
Int. Cl. C09K 8/68 (2006.01); E21B 43/26 (2006.01)
CPC C09K 8/68 (2013.01) [E21B 43/26 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A fracturing fluid composition comprising:
0. 1 to 20 vol. % of a glutamate-based chelating agent;
0. 1 to 20 vol. % of a guar gum derivative polymeric gelling agent; and
a base fluid; wherein the base fluid is produced fluid having a hardness content of at least 7,000 ppm,
wherein the fracturing fluid has a pH of 7 or less.