Method and apparatus for the determination of the thickness of a mudcake layer on a borehole wall traversing a subsurface earth formation
US3973188A · kind A · utility
6Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1975 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | May 6, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electrical well logging apparatus of the spherical focusing type is suspended in a borehole drilled into an earth formation and is utilized to provide information regarding the thickness of the mudcake formed on the borehole wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.