Determining pressure within a sealed annulus
US10041344B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 31, 2013 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Nov 4, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Systems and methods for determining pressure within a sealed annulus based on the conservation of mass to test the structural integrity of the sealed annulus. The conservation of mass is applied to fluid(s) in a sealed annulus by using the total mass of the fluid(s) in the sealed annulus, instead of volume changes, as the basis for estimating pressure changes due to temperature changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.