Method of completing an uncased section of a borehole
US5366012A · kind A · utility
575Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1993 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Jun 7, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Method of completing an uncased section (10) of a borehole (1) in an underground formation (2) comprising the steps of: PA1 (a) placing at a predetermined position in the borehole (1) a slotted liner (11) provided with overlapping longitudinal slots (12); PA1 (b) fixing the upper end of the slotted liner (11); and PA1 (c) moving upwardly through the slotted liner (11) an upwardly tapering expansion mandrel (15) having a largest diameter which is larger than the inner diameter of the slotted liner (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.