Synergistic bead lubricant and methods for providing improved lubrication to drilling fluids for horizontal drilling
US8324136B1 · kind B1 · utility
2Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2011 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A drilling fluid lubricant and method for drilling using same comprising a blend of beads having varying densities such that the beads provide lubricity at both the top and bottom portions of a horizontal drill string during horizontal, directional, or expanded extended reach drilling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.