Method and materials for manipulating hydraulic fracture geometry
US12264569B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Oct 24, 2023 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Oct 24, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/261
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Materials for manipulating hydraulic fracture geometry. In one embodiment, the materials comprises a tip screen-out mixture, which comprises water; a hydrophilic polymer of anionic polyacrylamide, wherein the hydrophilic polymer is hydrolized at least in part; and one or more crosslinking agents selected from a group of compounds consisting of polyvalent metal cations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.