Methods of modifying subterranean strata properties
US5875846A · kind A · utility
95Cited by
26References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1998 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/138
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides methods of modifying the properties of a subterranean stratum penetrated by a well bore to increase its strength and decrease its permeability. The methods basically include the steps of preparing a hardenable epoxy composition having flexibility upon hardening, pumping the epoxy composition into the subterranean stratum by way of the well bore and by way of the porosity of the stratum and then allowing the epoxy composition to harden in the stratum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.