Invention Grant
- Patent Title: Salt-tolerant self-suspending proppants made without extrusion
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Application No.: US17295281Application Date: 2019-11-19
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Publication No.: US11713415B2Publication Date: 2023-08-01
- Inventor: Gedeng Ruan , Huaxiang Yang , Kanth Josyula , An Thien Nguyen
- Applicant: Covia Solutions Inc.
- Applicant Address: US OH Independence
- Assignee: Covia Solutions Inc.
- Current Assignee: Covia Solutions Inc.
- Current Assignee Address: US OH Independence
- Agency: Calfee, Halter & Griswold LLP
- International Application: PCT/US2019/062091 2019.11.19
- International Announcement: WO2020/106655A 2020.05.28
- Date entered country: 2021-05-19
- Main IPC: C09K8/80
- IPC: C09K8/80
Abstract:
A self-suspending proppant that resists the adverse effects of calcium and other cations on swelling comprises a proppant substrate particle and a gelatinized non-extruder-derived neutral starch coating on the proppant substrate particle.
Public/Granted literature
- US20220010199A1 SALT-TOLERANT SELF-SUSPENDING PROPPANTS MADE WITHOUT EXTRUSION Public/Granted day:2022-01-13
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