Production log
US5749417A · kind A · utility
7Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Mar 5, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/80
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A production log which is developed by data recorded in a downhole memory in a well tool as a function of real time and data recorded at the earth's surface as a function of time and merged to produce a log of data as a function of depth. The well tool is moved with a velocity selected to obtain fluid velocity data as a function of time and the velocity of the tool is measured at the earth's surface as a function of time. The functions of time are on a common basis so that a true velocity of fluid flow can be obtained as a function of depth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.