Underground formation producibility and water cut from nuclear magnetic resonance data using an isolated pore
US5838155A · kind A · utility
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10Claims
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Key dates
| Filing date | Oct 31, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Oct 31, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A90/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Potential producibility and the proportion of water and oil produced can be predicted for hydrocarbon bearing reservoirs using an isolated pore model and nuclear magnetic resonance data. The model is based on the use of two bulk volume irreducible/free fluid index cut off times, one based on small pores and the other based on large pores with a throat size that will not permit movement of fluids therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.