Acidizing and proppant transport with emulsified fluid
US11124698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2016 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | May 21, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/82
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and compositions for stimulating oil or gas production from a well with a single treatment fluid for use in a combined acidizing and hydraulic fracturing treatment are provided. An embodiment is a method comprising: coating a plurality of proppant particulates with oil to form oil-coated proppant particulates; adding the oil-coated proppant particulates to a solution comprising water, an acid source, and an emulsifier, wherein the ratio of the oil coating the proppant particulates to the water in the solution is less than 20:80 by volume; and mixing the solution and the oil-coated proppant particulates to form a treatment fluid comprising a water-in-oil emulsion and the oil-coated proppant particulates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.