Method of using low-density, freezable fluid to create a flow barrier in a well
US10202733B2 · kind B2 · utility
0Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Aug 3, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B36/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed herein is a temporary wellbore sealant, comprising water, a gelling agent; and a filler, wherein: the filler has a lower specific gravity than the water of the sealant; and the sealant has a lower specific heat than the water of the sealant and a method of temporarily sealing a liquid filled wellbore therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.