Formation evaluation from thermal properties
US5159569A · kind A · utility
22Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1990 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K13/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining thermal characteristics of a geological formation from observations of temperature relaxation in a formation after a temperature perturbation, such as that resulting from circulation of drilling mud. A method of determining petrophysical properties from these thermal characteristics. A method of determining thermal characteristics from petrophysical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.