Screened enclosure with vacuum ports for use in a vacuum-based drilling fluid recovery system
US10081994B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2016 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Feb 3, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/065
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A screened vacuum enclosure for use in separating drilling fluid from drill cuttings in a vacuum-based shaker system, the screened vacuum enclosure including: a) a rectangular frame including downstream and upstream longitudinal outer frame members and transverse outer frame members, with one or more vacuum ports extending through or into one of the longitudinal outer frame members, the vacuum ports communicating vacuum suction to the interior of the screened vacuum enclosure; b) one or more inner frame support members connected to the outer frame members; c) a screen attached to the top surface of the frame; and d) a floor attached to at least part of the bottom surface of the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.