Methods for stimulating multi-zone wells
US9068447B2 · kind B2 · utility
3Cited by
43References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2011 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for stimulating a multi-zone wellbore completed with a string of production casing, including pumping a first volume of acidic fluid into the wellbore under pressure, and then injecting the first volume of acidic fluid into a first zone of interest along the production casing dropping at least one plug into the wellbore, the plug being fabricated from a material that substantially dissolves in the presence of the acidic fluid at or over a selected period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.