Glycols as gas hydrate inhibitors in drilling, drill-in, and completion fluids
US6080704A · kind A · utility
29Cited by
29References
23Claims
0Family size
Inventors
Key dates
| Filing date | Mar 11, 1997 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Mar 11, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for suppressing the formation of hydrates during drilling operations under conditions that are conducive to hydrate formation comprising using a water based fluid selected from the group consisting of a drilling, a drill-in, and a completion fluid, wherein said water based fluid comprises as an integral component a hydrate suppressing amount of a water-soluble organic compound having a molecular weight below about 800 and said fluid has effective rheology and fluid loss control properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.