Method and apparatus for monitoring sulfide in well drilling mud
US4154660A · kind A · utility
17Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1977 |
| Grant date | May 15, 1979 |
| Priority date | — |
| Expiry date | Aug 30, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/287
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for measuring electrochemical species in well drilling mud. The apparatus comprises a sulfide electrode, a pH electrode and a reference electrode. An electrical circuit is provided therefore which provides temperature compensation of the electrochemical signals. A method of using said apparatus to determine hydrogen sulfide in well drilling mud is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.