US 11,939,516 B2
Treatment fluid recipe for high temperature multi-stage fracturing applications
Abdullah Al Moajil, Dammam (SA); and Waddah H. Almahri, Dammam (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Mar. 21, 2022, as Appl. No. 17/655,691.
Prior Publication US 2023/0295481 A1, Sep. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 8/28 (2006.01); C09K 23/00 (2022.01); C09K 23/24 (2022.01)
CPC C09K 8/28 (2013.01) [C09K 23/018 (2022.01); C09K 23/24 (2022.01)] 19 Claims
 
1. A well treatment composition, comprising:
a fluid formulation that is a water-in-oil emulsion, having an organic phase and an aqueous phase, the aqueous phase dispersed in the organic phase,
wherein the organic phase comprises an organic solvent, an emulsifier, and a wetting agent, and
wherein the aqueous phase comprises water and a chelating agent, and
wherein the aqueous phase has a pH in a range from 7 to 14,
wherein the composition does not include a mutual solvent.