Method for refracturing zones in hydrocarbon-producing wells
US5273115A · kind A · utility
86Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Jul 13, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/261
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method is provided for refracturing a well which has previously been hydraulically fractured in a lower zone or in the same zone. A sealing material is injected and allowed to solidify, the well is reperforated and refractured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.