Surge pressure reduction apparatus with volume compensation sub and method for use
US6695066B2 · kind B2 · utility
22Cited by
10References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Jan 18, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for providing surge pressure reduction with volume compensation and methods of use are presented. Surge pressure reduction and volume compensation are accomplished by pressure-actuated release of the compensation device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.