Anti-bit balling drilling fluids, and methods of making and use thereof
US10526520B2 · kind B2 · utility
13Cited by
72References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2018 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Mar 14, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Anti-bit balling drilling fluids and methods of making and using drilling fluids are provided. The anti-bit balling drilling fluid contains water, a clay-based component, and a polyethylene glycol having the formula: H—(O—CH2—CH2)n—OH, where n is an integer from 1 to 50.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.