Bio-enzyme degradable temporary plugging material and preparation method and application thereof
US12110449B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2023 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Dec 21, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/52
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a bio-enzyme degradable temporary plugging material and a preparation method and application thereof in the technical field of natural gas hydrate drilling and production; the preparation method of the bio-enzyme degradable temporary plugging material includes the following steps: mixing the ceramsite with an aqueous solution of 3-aminopropyl trimethoxysilane before a stirring reaction and drying to obtain modified ceramsite; and fully dispersing the modified ceramsite, ethyl cellulose, and epoxy resin in dichloromethane to obtain an oil phase; adding the oil phase into a gelatin aqueous solution and mixing uniformly; after a stirring reaction, evaporating an organic solvent, filtering, washing, and drying, to obtain the bio-enzyme degradable temporary plugging material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.