Drilling mud filtration device
US6976546B2 · kind B2 · utility
16Cited by
13References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 2003 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Jun 3, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/065
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A filter system for filtering drill bit cuttings, shavings, and other abrasive articles from a drilling mud that is passed through an oil or gas well drilling system is provided that includes an overhead drilling system, a drill string connected to the overhead drilling system, and a mud filter for filtering the drilling mud, wherein the mud filter is disposed within a drilling mud fluid passageway that extends from the entry point of the drilling mud into the overhead drilling system and the entry point of the drilling mud into the drill string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.