Method for completing a well in a coal formation
US5853224A · kind A · utility
44Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 22, 1997 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Jan 22, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/263
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for completing a well penetrating a solid carbonaceous subterranean formation by positioning a perforating gun in an uncased portion of a wellbore penetrating the solid carbonaceous subterranean formation; perforating the coal formation; and, producing fluids and particulate coal from the coal formation through the well to form a cavity in the coal formation surrounding the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.