Method and apparatus for testing the compressibility of subterranean samples
US4562726A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | Jan 7, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/088
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Compressibility test apparatus and method of testing compressibility. The apparatus includes a holder having a sample chamber for holding a sample in the environment of a confining pressure and means for supplying an internal pressure to the held sample. The sample and various conduits and channels that communicate with the sample define an internal system volume. Connected in this internal system volume is an internal volume adjustment pump that is operable to vary the internal system volume in incremental steps, by which the internal pressure is reduced (or increased) in steps to increase (or reduce) the net confining pressure. As a result, changes in the sample volume as a function of changes in the net confining pressure are determined, from which the compressibility of the sample is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.