Device for evaluation of the lubricating charcteristics of a drilling mud
US5616842A · kind A · utility
16Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Jul 14, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Device for evaluation of the lubricating characteristics of a drilling mud, including a vessel (14) provided with an entry (52) and an exit (58) for a mud to be analysed, a measuring shoe (40) mounted inside the vessel (14) and intended to be set in rotation, and at least one measuring sensor capable of measuring the stresses generated during a contact between the shoe and an internal surface of the vessel. According to the invention the sensor is mounted inside the shoe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.