System and method for robustly and accurately obtaining a pore pressure measurement of a subsurface formation penetrated by a wellbore
US8272438B2 · kind B2 · utility
1Cited by
13References
12Claims
0Family size
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Key dates
| Filing date | Sep 27, 2007 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Systems and methods are disclosed for accurately determining a pore pressure of a subsurface formation (20) penetrated by a wellbore (40). The systems and methods provide for measuring pressure and temperature at a measuring location proximal to the wellbore for a predetermined amount of time, storing the measurements, communicating the measurements and processing the pore pressure from the pressure and temperature measurements. The measuring location may be a location in a channel (50) drilled from the wellbore into the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.